Answers
Answer:
45 times
Step-by-step explanation:
it is 45 times because it can land on blue or green 5 out of 8 times so u do 72 divided by 8 and u get 9 so I do 9 times 5 and u get 45
Related Questions
The graph shows the number of each kind of book in Hero's personal library. A book is chosen randomly.
What is the probability that the book chosen is an adventure?
Answers
Distribution Whole Number Multiple Choice
Answers
Distribution of
a(b + c) = ab + ac
Then
36 + 12 is equivalent to
Find composed numbers
36= 3•12
12 = 3•4
THEN ANSWER IS
3• (12 + 4)
Amanda and Jeremiah are standing on the same side of a large lake. They are separated by a horizontal distance of 4000 ft. Both Amanda and Jeremiah can see a helicopter that is directly above the horizontal distance between them. Amanda’s angle of elevation to see the helicopter is 60 and Jeremiah’s angle of elevation to see it is 30. 1.What is the distance between Amanda and the helicopter?
Answers
Explanation: First of all we need to know if our triangle is a right triangle (has one 90° inner angle) to be able to use the law of sines to calculate the distance between Amanda and the helicopter.
Step 1: Once we know that the sum of all inner angles of a triangle is equal to 180° we can calculate the unknown angle as follows
As we can see above the missing inner angle is 90° which means it is a right triangle.
Step 2: Now we can use the law of sines as follows
once sin (90°) = 1 and sin (30°) = 0.5, let's calculate "x" below
[tex]\begin{gathered} \frac{x}{sin(30)}=\frac{4000}{sin90} \\ x=\frac{4000*0.5}{1} \\ x=2000ft \end{gathered}[/tex]Final answer: As we can see above, the final answer is 2000 ft
Printer A prints 36 pages every 1.5 minutes. Printer B prints 114 pages every 3 minutes.
Printer C prints 115 pages every 5 minutes. Which printer prints the fastest?
Answers
Answer:
Printer B prints the fastest
Match the terms (picture)
Answers
Answer:
Match that i have the step by step explanations
Step-by-step explanation:
A, F, C, D, E, F, B
Solve the equation for all values of x.
|5x + 8| 8 = 3x
Answers
Linh buys $11.23 worth of groceries and pays for them with a $20 bill.List her change using the smallest number of coins and bills?
Answers
Given: Linh buys $11.23 worth of groceries and pays for them with a $20 bill.
So, the change will be = 20 - 11.23 = $8.77
Use 2 methods to predict the output for an input of 200.
Answers
Given a table represents a relation between x and y
As shown, the change of (x) and (y) vary with a constant rate
So, the table represents a linear function
The general equation will be: y = m * x + b
where (m) is the slope, (b) is the value of y when (x=0)
So, from the table, when x = 0 , y = 25
The slope will be as follows:
[tex]m=\frac{30-25}{1-0}=\frac{5}{1}=5[/tex]So, the equation will be:
[tex]y=5x+25[/tex]When the input = 200, x = 200
So, substitute with (x) to find the output (y)
[tex]y=5\cdot200+25=1000+25=1025[/tex]So, the answer will be:
For an input 200, the output is 1025
===================================================
Another method to solve using the arithmetic sequence.
As shown in the table consider (x) represents the number of terms
So, (y) will be an arithmetic sequence
The first term = a = 30
The common difference = d = 35 - 30 = 5
the general rule of the arithmetic sequence is:
[tex]y_{}=a+d(x-1)[/tex]substitute with (a) and (d)
[tex]y=30+5(x-1)[/tex]When x = 200
[tex]y=30+5(200-1)=30+5\cdot199=1025[/tex]So, for an input 200, the output = 1025
Using the bankers rule, find the simple interest on 18,000 pesos at 17.25% from Feb.4 to Apr 21 of the same leap year.
Answers
From the question
By the bunkers rule
[tex]I=\text{PRT}[/tex]P = 18,000
R = 17.25% = 0.1725
For the time
Since the year is a leap year then
February has 29 days
Hence
From Feb.4 to Apr 21 implies
The number of days left in Feb. = 25
Number of days in March = 31
Number of days for April = 21
Therefore, Total number of days = 25 + 31 + 21 = 77
By Bankers rule, total days for the year will be 360
Hence the interest is
[tex]\begin{gathered} I=18000\times0.1725\times\frac{77}{360} \\ I=18000\times0.1725\times0.2139 \\ I=664.16 \end{gathered}[/tex]Therefore, the interest is 664.16
Robert Key's group medical insurance coverage costs $6,480 a year. His employer, Covington Arts Center, pays 65% of the cost. What is his monthly paycheck deduction for medical insurance?
Answers
Answer:
See below
Step-by-step explanation:
Robert pays 35 % in 12 monthly installments
6480 * .35 / 12 = 189 dollars per month
Write a sequence of transformations that takes A to A'.
Answers
A rotation of 270 degrees about the origin would transform the figure as follows:
Which does not maps the A to A'.
Now, one sequence of transformations that take A to A' is:
1)First, a reflection over the x-axis would transform the figure as follows:
2) We translate the figure 3 units up and 4 units to the right:
Answer: Reflection over the x-axis, translation 3 units up and 4 units to the right.
Solve the linear system using the elimination method. Type youranswer as an ordered pair in the form (#,#). 6x + 5y = -15-2x – 3y = 17
Answers
1) Solving that linear system using the elimination method, we'll proceed this way.
1.1 Choose one variable to be canceled out firstly. Let's choose the x variable:
6x + 5y = -15
-2x -3y= 17 Multiply this whole equation by 3
6x + 5y = -15
-6x -9y= 51 Add both equations
----------------------
0 -4y =36 Divide both sides by -4
y = -9
2) Now let's plug into any equation, usually the one with smaller numbers y= -9
-2x -3(-9) = 17
-2x +27 = 17 Subtract 17 from both sides
-2x =17-27
-2x = -10 Divide both sides by -2
x= 5
3) So the solution is (5, -9)
-
Please help I did help
Answers
The scientific notation of the expression is as follows:
(7 × 10⁻⁶) (7 × 10⁻⁶) = 4.9 × 10⁻¹¹(3.76 × 10⁵) + (7.44 × 10⁵) = 1.12 × 10⁶How to solve expression in scientific notation?The proper format for scientific notation is a x 10ᵇ where a is a number or decimal number such that the absolute value of a is greater than or equal to one and less than ten or, 1 ≤ |a| < 10.
Scientific notation is a special way of writing numbers.
The expression can be express in scientific notation as follows:
Therefore,
(7 × 10⁻⁶) (7 × 10⁻⁶)
Hence, we have to multiply the integers and add the exponents as follows:
(7 × 7) × (10⁻⁶. 10⁻⁶)
49 × 10⁻⁶⁻⁶
49 × 10⁻¹²
4.9 × 10⁻¹¹
Hence, the second can be express in scientific notation as follows:
(3.76 × 10⁵) + (7.44 × 10⁵)
(3.76 + 7.44) × 10⁵
11.2 × 10⁵
1.12 × 10⁵⁺¹
1.12 × 10⁶
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At the gift shop, they sell small greeting cards and large greeting cards. The cost of a small greeting card is $1.60 and the cost of a large greeting card is $4.05. How much would it cost to get 5 small greeting cards and 4 large greeting cards? How much would it cost to get x small greeting cards and y large greeting cards?Total cost, 5 small greeting cards and 4 large greeting cards: Total cost, x small greeting cards and y large greeting cards:
Answers
From the given question, we have the following parameters
Cost of a small greeting card = $1.60
The cost of a large greeting card = $4.05.
Cost of 5 small greeting cards = 5(1.60)
Cost of 5 small greeting cards = $8.00
Cost of 4 large greeting cards = 4(4.05)
Cost of 4 large greeting cards = $16.2
Cost of 5 small and 4 large = $8.00 + $16.2
Cost of 5 small and 4 large $24.2
Hence it would cost $24.2 to get 5 small greeting cards and 4 large greeting cards
Similarly;
Cost of x small greeting cards = 1.60x
Cost of y large greeting cards = 4.05y
Cost of small greeting cards and y large greeting cards = 1.60x + 4.05y
Hence it would cost $(1.60x + 4.05y) to get x small greeting cards and y large greeting cards
9. You are working to determine how much paint you will need to paint your perfectly square room. The
length of the wall is 4y+8. The height of each wall in your room is 4y. What is the area of the first wall
Answers
The area of the wall whose length is 4y+8 and the height is 4y is 16y^2 + 32y.
How area is calculated?
Area is a phrase used to describe how much room a 2D form or surface occupies. Area is measured in square units, such as cm2 or m2.
The area of a form is computed by dividing its length by its breadth.
It is given that the length of the wall is 4y+8 and height of the wall is 4y.
From this given information, we can conclude that the wall is rectangle.
Formula to calculate the area of rectangle is:
Area of rectangle = length x breadth
Putting the value given in the question:
Area of the wall = (4y+8)(4y)
Area of the wall = 16y^2 + 32y
Therefore, the area of the wall is 16y^2 + 32y
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The age of children in kindergarten on the first day of school is uniformly distributed between 5 and5.76 years old. A first time kindergarten child is selected at random. Round answers to 4 decimalplaces if possible.a. The mean of this distribution isb. The standard deviation isC. The probability that the the child will be older than 5 years old?d. The probability that the child will be between 5.4 and 5.6 years old ise. If such a child is at the 53rd percentile, how old is that child?years old.CalculatorScratchwork Area
Answers
Given the interval of the distribution as
[tex]5-5.76[/tex]a) To find the mean, we will calculate the mid-value of the interval, this is shown below
[tex]\operatorname{mean}=\frac{5+5.76}{2}=\frac{10.76}{2}=5.38[/tex]Hence, the mean is 5.38
b) To find the standard deviation
[tex]\begin{gathered} SD=\sqrt[]{\frac{(b-a)^2}{12}} \\ b=5.76 \\ a=5 \\ SD=\sqrt[]{\frac{(5.76-5)^2}{12}} \\ =\sqrt[]{\frac{0.76^2}{12}}=0.2194 \end{gathered}[/tex]Hence, the standard deviation is 0.2194
c) The probability that the child will be older than 5 years will be
[tex]P(older\text{ than 5 years)=}\frac{5.76-5}{5.76-5}=\frac{0.76}{0.76}=1.0[/tex]Hence, the probability that the child will be older than 5 years is 1.0
d) The probability that the child age is between 5.4 and 5.6 years old will be
[tex]P(\text{ between 5.4 and 5.6 years old)=}\frac{5.6-5.4}{5.76-5}=\frac{0.2}{0.76}=0.2632[/tex]Hence, the probability that the child age is between 5.4 and 5.6 years old is 0.2632
e) If the child is at the 53rd percentile, the age of the child will be
[tex]\begin{gathered} At\text{ 53rd percentile the age}\Rightarrow5+\frac{53}{100}(5.76-5) \\ =5+0.53(0.76) \\ =5.4028 \end{gathered}[/tex]Hence, at the 53rd percentile, the age of the child is 5.4028 years old
72b384 is a number in which one of its digits is 'b'. if the number is a multiple of 9, what is the numerical value of 'b'?
Answers
Answer:
3
Step-by-step explanation:
Hello!
A simple way to find if the number is a multiple of 9 is if the sum of the digits in the number is a multiple of 9, then the number itself is a multiple of 9.
So that means: 7 + 2 + b + 3 + 8 + 4 is a multiple of 9
If we add it up we should get: 24 + b
The multiples of 9 include 9,18,27,36,45,54....., and the closest multiple of 9 to 24 is 27. Therefore, the missing digit should be 3, as 27 - 24 is 3.
The next closest numbers would be 18 and 36, but you would need to add a negative number to get 18, and a two-digit number to get 36.
A brick has dimensions of110. cm x 655 cm x 1330 cm.What is the volume of the brick incubic meters?[?] m3Recall that 1 cm =10-2 mGive your rounded answer to the correct number ofsignificant figures.Volume, cubic metersEnter
Answers
The dimension of the brick is given 110 cm x 655 cm x 1330 cm.
We know that 1 cm = 10^-2 m.
So, the dimensions of brick in meters will be 1.10 m x 6.55 m x 13.30 m.
The volume of the brick is calculated below:
[tex]\begin{gathered} V=1.10\times6.55\times13.30 \\ =95.8265m^3 \end{gathered}[/tex]Thus, the volume of the brick in cubic meters is 95.8265 m^3.
Holly ate one more brownie, then Tori from the same small pan. Write two equivalent fractions that describe how much Holly eight.
Answers
Holly ate two [tex]\frac{1}{6}[/tex] fractions.
Holly ate 1 more brownie, then Tori
= 1+2
= 3
She ate [tex]\frac{3}{9}[/tex] fraction
Two equivalent fractions = [tex]\frac{3}{9} = 2x[/tex]
[tex]x = \frac{1}{6}[/tex]
Holly ate two [tex]\frac{1}{6}[/tex] fractions.
What are Fractions?
Fractions are referred to as the components of a whole in mathematics. A single thing or a collection of objects might be entire. When we cut a slice of cake in real life from the entire cake, the part represents the percent of the cake. The word "fraction" is derived from Latin. "Fractus" means "broken" in Latin. The fraction was expressed verbally in earlier times. It was afterward presented in numerical form.
A piece or sector of any quantity is another name for the fraction. It is indicated by the sign "/," such as a/b. For instance, in the fraction 2/4, the bottom part represents the denominator, and the top part the numerator. This article's focus is on going to learn the meaning of fractions in mathematics, different sorts of fractions, how to convert fractions to decimals, and a ton of problems that have been solved and well explained.
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completed the chart for ordered pairs .Using the equation* reduce all fractions to the lowest terms.Given equation: 10 x- 8y =16x tea chart : __,0,2,__y tea chart: 0,__,__,4fil in the blanks
Answers
-When y = 0 :
10*x -8*0 = 16 (Replacing y=0)
10x = 16 (Multiplying)
x = 16/10 (Dividing on both sides of the equation by 10)
x= 8/5 (Simplifying)
- When x= 0:
10*0 -8*y = 16 (Replacing x=0)
-8y = 16 (Multiplying)
y= 16/(-8) (Dividing on both sides of the equation by -8)
y= -2 (Dividing)
- When x= 2
10*2 -8*y = 16 (Replacing x=2)
20 - 8y = 16 (Multiplying)
20 = 16 + 8y (Adding 8y to both sides of the equation)
20 - 16 = 8y (Subtracting 16 from both sides of the equation)
4 = 8y (Subtracting)
4/8 = y (Dividing on both sides of the equation by 8)
1/2 = y (Simplifying)
- When y= 4
10*x -8*4 = 16 (Replacing y=4)
10 x - 32 = 16 (Multiplying)
10x = 32 + 16 (Adding 32 to both sides of the equation)
10x=48 (Adding)
x = 48/10 (Dividing on both sides of the equation by 10)
x=24/5 (Simplifying)
So, the complete chart would be:
x tea chart : 8/5,0,2, 24/5
y tea chart: 0,-2,1/2,4
9. Assessment Practice Diego wants to
find 8+ 9. 2.NSO.2.1
Which doubles fact can help him?
A 5+5=10
B6+6=12
C7+7= 14
D 8+8=16
Answers
They can use counters or their fingers, but they can also use doubles facts. If they know 5 + 5 = 10, they know that the sum of 5 + 6 will be one more.
What is meant by addition?One of the four fundamental mathematical operations, along with addition, subtraction, multiplication, and division, is addition.
The sum of 5 + 6.
They can utilize counters or their fingers, but they can even utilize doubles facts. If they understand 5 + 5 = 10, they know that the sum of 5 + 6 will be one more.
Therefore, 5 + 6 = 11.
Estimating other doubles-plus-one facts together, such as 3 + 4, 7 + 8, and 9 + 8.
Repeat the doubles facts so they can use them to solve equations.
They can also use doubles-minus-one facts to enable them solve equations.
Write down 9 + 10 and have your children find the sum.
If they know that 10 + 10 = 20, they know that the sum of 9 + 10 will be one less. Therefore, 9 + 10 = 19.
Practice solving different number sentences together.
Therefore, they can utilize counters or their fingers, but they can even utilize doubles facts. If they understand 5 + 5 = 10, they know that the sum of 5 + 6 will be one more.
Therefore, the correct answer is option A 5 + 5 = 10.
The complete question is:
Which doubles fact helps you solve 5 + 6 = 11? Circle the number sentence.
A 5+5=10
B6+6=12
C7+7= 14
D 8+8=16
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I need to know the answer but I need to know how to get it and work it out
Answers
Let's start by completing the first table.
The questions gives the depth in two times:
- 2 hours after start -> 64 inches of water
- 4 hours after start -> 48 inches of water
From this, we can identifythe units:
- for time, we will use hours
- for depth, we will use inches
The first given values are:
- for time, 2
- for depth, 64
The second given valuesa are:
- for time, 4
- for depth, 48
So, the table is:
Quantity Name | Time | Depth of Pool
Unit | hour | inch
Given Value 1 | 2 | 64
Given Value 2 | 4 | 48
Now, we need to calculate the slope, which can be done using the given points and the equation:
[tex]\begin{gathered} m=\frac{y_2-y_1}{x_2-x_1} \\ m=\frac{48-64}{4-2} \\ m=\frac{-16}{2} \\ m=-8 \end{gathered}[/tex]So, the slope is -8 inches per hour.
The interceptwe the b in the equation:
[tex]y=mx+b[/tex]Where y is the depth and x is the time. So, using the first given values and the slope, we can find b:
[tex]\begin{gathered} 64=-8\cdot2+b \\ 64=-16+b \\ b=64+16 \\ b=80 \end{gathered}[/tex]Thus, the intercept is 80 inches.
So, the formula we have for the pump is:
[tex]y=-8x+80[/tex]Using it, we can answer questions 1 and 2:
1. After 6 hours means x = 6, so:
[tex]\begin{gathered} y=-8\cdot6+80 \\ y=-48+80 \\ y=32 \end{gathered}[/tex]So, y = 32, thus, the depth of the water will be 32 inches.
2. The level 24 inches mean y = 24, so:
[tex]\begin{gathered} 24=-8x+80 \\ 8x=80-24 \\ 8x=56 \\ x=\frac{56}{8} \\ x=7 \end{gathered}[/tex]Thus, x = 7, and the water will be at 24 inches after 7 hours.
Help plllllesessssssssssssssssssssssssssssssssssssssssssssssssss
Answers
Answer: 8 + 7x
Step-by-step explanation:
The perimeter is the same as all the side lengths added together. We will set up an expression, then simplify it by combining like terms.
(4 - x) + (7x - 1) + (6x + 13) + (-8 - 5x)
4 - x + 7x - 1 + 6x + 13 - 8 - 5x
4 - 1 + 13 - 8 - x + 7x + 6x - 5x
8 + 7x
Carefully follow the steps to find the solution to the three equation system.
a. Use equations 2 and 3 and eliminate the by multiplication and addition, creating a new equation with only two variables.
b. Use equations 1 and 2 and eliminate the by multiplication and addition, creating a second equation with only two variables.
c. Use the two new equations, and eliminate the -variable by multiplication and addition, finding the value for the -variable.
d. Substitute -value in the second new equation and find the -value.
e. Substitute the and values into original equation 2 to find the -value
(-2,-5,-3)
(1,4,2)
(-4,1,-2)
(1,2,4)
(2,5,3)
Answers
Answer:
The answer is (1,4,2)
In the circle below, the central angle is measured in radians.When rounded to the nearest .01 of a centimeter,the length of arc Sis?? cm?
Answers
Length of the given arc
[tex]\begin{gathered} l=r\theta \\ =2\times\frac{\pi}{4} \\ =\frac{\pi}{2} \\ =\frac{22}{14} \\ =1.571 \\ =1.57 \end{gathered}[/tex]So the length of the given arc is 1.57 cm
-3/16, 7/4, -3/8 write in order from least to greatest
Answers
a We have fractions in order to order from least to greatest we will convert the fractions into decimal number
[tex]-\frac{3}{16}=-0.1875[/tex][tex]\frac{7}{4}=1.75[/tex][tex]-\frac{3}{8}=-0.375[/tex]as we can see the least number is -3/8 then -3/16 and the greatest number is 7/4
[tex]undefined[/tex]Pam needs 2 yards of blue ribbon she has 0.497 yard she buys 0.91 yard more than she buys 0.4 yard of red ribbon how much more blue ribbon does Pam need?
Answers
Total ribbon Pam needs = 2 yards
Total ribbon Pam purchased = 0.497 + 0.91 + 0.40 = 1.807
The amount of ribbon Pam needs is calculated as,
[tex]\begin{gathered} \text{Amount n}eeded\text{ = 2 - 1.807} \\ \text{Amount n}eeded\text{ = }0.193 \end{gathered}[/tex]Thus the amount of ribbon needed is 0.193 yards .
∠A and \angle B∠B are vertical angles. If m\angle A=(x+12)^{\circ}∠A=(x+12)
∘
and m\angle B=(6x-8)^{\circ}∠B=(6x−8)
∘
, then find the measure of \angle B∠B
Answers
Measure of ∠B = 16°
∠A and ∠B are Vertical angles with ∠A = x+12° and ∠B = 6x-8°.
Vertical angles are angles formed between two lines at the intersection of them and are opposite to each other.
Also measures of Vertical angles are equal.
Now to find the measure of ∠B, we need to find x.
So here, ∠A = ∠B
⇒ x+12° = 6x-8°
⇒ 6x - x = 12 + 8
⇒ 5x = 20
⇒ x = 4
Hence, ∠B = 6x-8° = 6 x 4 -8 = 16°
So measure of ∠B = 16°
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Graph 5x + y = 3x + 2(a) Rewrite the equation in slope intercept form. Show your work.(b) Graph the line. If you aren't able to draw on the graph using the technology you have available,then just describe it in words - tell where it is located
Answers
Given the Linear Equation:
[tex]5x+y=3x+2[/tex](a) You need to solve for "y", in order to rewrite it in Slope-Intercept Form, because that form is:
[tex]y=mx+b[/tex]Where "m" is the slope of the line and "b" is the y-intercept.
Then, you get:
[tex]\begin{gathered} y=-5x+3x+2 \\ y=-2x+2 \end{gathered}[/tex]Notice that:
[tex]\begin{gathered} m=-2 \\ b=2 \end{gathered}[/tex](b) You can graph the line by finding the x-intercept and the y-intercept. You already know that the y-intercept is:
[tex]b=2[/tex]Then, in order to find the x-intercept, you need to substitute this value of "y" into the equation and then solve for "x":
[tex]y=0[/tex]Because the value of "y" is zero when the line intersects the x-axis.
Therefore, you get:
[tex]\begin{gathered} y=-2x+2 \\ 0=-2x+2 \\ -2=-2x \\ \\ \frac{-2}{-2}=x \\ \\ x=1 \end{gathered}[/tex]Now you know that the line passes through these points:
[tex](1,0),(0,2)[/tex]Hence, you can graph it.
Therefore, the answers are:
(a) Equation in Slope-Intercept Form:
[tex]y=-2x+2[/tex](b) Graph:
Part A: On the imagePart B: What is the answer of k?
Answers
The effect on the graph replacing f(x) by f(x)+k is a vertical shift k units.
According to the graph the resulting function is 2 units higher from the original one. This means k has a value of 2.