Mathematics Middle School

Help me please !!!!!!!

Help Me Please !!!!!!!

Answers

Answer 1

Answer:

3z+9=1-z

collect like terms

3z+z=1-9

4z=-8

divide both sides by 4

z=-4

Answer 2

Answer:

z= -4

Step-by-step explanation:

Related Questions

Find the height and volume of cone:

Answers

Answer:

v=9

h=15

Step-by-step explanation:

V=9
H=15 I double checked both of them

Help right now please.

Answers

I solved and the mean is 10

Answer:

4.8

Step-by-step explanation:

Hi this is 7th grade geometry with screenshot

Answers

Answer:

80

Step-by-step explanation:

ㄥAEC+160=180

ㄥAEC=20

ㄥAEC+x+80=180

20+x+80=180

x=80

There is a more simple method

x+80=160

x=80

It’s 80 because it is and it’s right

ok this is like not helpful but i did this i past my math class
In my class we used to call y=mx+b 'whY is My eX whith the ️!tch' and it worked i passed ;-;
thats all just something to help lol

Answers

Answer:

Step-by-step explanation:

Answer:

Ask this to those who have choose collage level MARK ME AS THE BRAINLIEST

Step-by-step explanation:

Help with math earn 10 points

Answers

Answer:

2 I think

Step-by-step explanation:

It is 2 (Unnecessary Stuff)

which angles are vertical to each other ?

Answers

Answer:

11 and 9

Step-by-step explanation:

Answer:

<12 and <10

Because they are opppsite to each other. So they are vertically opposite angle (V.O.A).

help me please (look at image)

Answers

about 3 inches is the answer

Find the radius of the circle.
Circumference = 18.84 yd
a. 3 yd
b. 59.16 yd
c. 6 yd
d. 118.32 yd

what's the answer??

Answers

Answer:

A. 3yd

Step-by-step explanation:

There are two formulas that can be used for the circumference of a circle:

c = πd and c = 2πr

Since we want to solve for the radius, let's use c = 2πr

The circumference, 'c', is 18.84 inches

Since 'π' is an irrational number, we use its approximation of 3.14

We are trying to solve for 'r', which is the radius

The circumference, 'c', is 18.84 inches

Since 'π' is an irrational number, we use its approximation of 3.14

We are trying to solve for 'r', which is the radius

Plugging in, we get:

18.84 = 2(3.14)r

Since 'π' is an irrational number, we use its approximation of 3.14

Notice there are the same amount of decimal places (two!) in the answer as the combined amount of spaces in the numbers being multiplied!

18.84 = 6.28r

The goal is to isolate and solve for 'r', which is the radius

18.84/6.28 = 3

So we get "3 = r", which means the radius is 3 inches!

Which expression has a value of 6?

Answers

Answer:

Option 4

Step-by-step explanation:

The answer is option 4 because whenever a number is enclosed in those two lines that come in the left and right sides it means absolute value and absolute value makes the number positive regardless of the sign that it has, so in this case you have the negative but the absolute value makes it positive since it has the absolute value lines.

Option 4 whenever you see “| |” remember to look for the opposite of what’s in those lines for example:

|-3| the opposite would be positive 3!

A wall is 60 feet tall. To avoid tipping over, the ladder must be placed 11 feet from the base of the wall. How tall of a ladder must you have to reach all the way to the top of the 60 foot wall?

Answers

61 feet

I got this by doing the pythagorean theorem, which is a^2+b^2=c^2

Plugging in the values, it is 60^2+11^2=c^2

Once solved, it gives you 61 feet

61 feet is the answer okkkkkkkkk

giving brain list for correct

Answers

Answer:

216 ft^2

Step-by-step explanation:

area of a triangle: (height * base)/2

in this problem,

height = 12, base = 36

area = 12*36/2 = 6*36 = 216

216 ft^2

Answer: 216

Step-by-step explanation:

I NEED HELP ILL GIVE BRAINLY BUT PLZ EXPLAIN NOT GUESSES

Answers

Bro ,, The values are ,, These are absolute correct answers.

1.45 degrees

2.45 dehrees

3.135 degrees

4.135 degrees

5.45 degrees

6.135 deegres

please give brainliest

Answer:

Step-by-step explanation:

for first fox

let it be x

x + 135 degree = 180 degree (being straight line)

x = 180 - 135

x = 45 degree

therefore figure upper box is 45 degree

for box that is just below 135 degree

first fox = box just just below 135 degree

45 degree = box just below 135 degree

for box that is just below 45 degree

box that is just below 45 degree = 135 degreee (being vertically opposite angles)

for the box that lies on the left side of the transversal

let the fourth box that les on the left side be x

135 + x = 180 degree (being co interior angle)

x = 180 - 135

x = 45 degree

for the box that lies on the right side of the transversal .Let it be y

45 + y = 180 degree

y = 180 - 45

x = 135 degree

y = last box that lies on the left side of 45 degreeing vetically opposite angles)y

last box = 135 degree

The area of the rectangular floor in Tamara's room is 95 5/6 square
feet. The width of the room is 8 1/3 feet. What is the length of Tamara's
room?

Answers

It would be 11 1/2 ft.
Area = Length x Width
95 5/6 = L x 8 1/3
95 5/6 divided by 8 1/3
= 11 1/2 ft

(trigonometry question)
-I'll give branliest as a reward-

Answers

Answer:

AC=2.868

Step-by-step explanation:

using pythagoras theorem

take 35 degree as reference angle

hypotenuse =5 , opposite =AC , adjacent=BC

using sin rule

sin 35=opposite/hypotenuse

0.5735=AC/5

0.5735*5=AC

2.8675=AC

2.868=AC

Ac=2.868 sorry if I am wrong

The solution of the equation 5x+3=3x+5 is
2 or 1

Answers

Answer:

=

1

Step-by-step explanation:

The answer for the solution to you’re problem is 1

which angle is adjacent to 9 ?

Answers

angle 12 it means next to or closest so it’s in the same line as 12

Angle twelve would be the angle that is adjacent to angle nine

I need to get aleks done on june 30th

Answers

Answer:

Down

Step-by-step explanation:

2x-8<-24

Down cause that what the person said

Help with math 10 points

Answers

Answer:

Step-by-step explanation:

(4,5)

the answer is (4,5) :))

can someone please answer these (real answers only)

Answers

5. The number of visitors increase in April, spike in August and then decrease in September.

6. December is in winter, therefore many people do not travel during December.

7. There are not a lot of holidays in February and March, so people are either working or going to school instead of visiting.

I hope this helped!

“5. The number of visitors increases in April, spike in August and then decreases in September. 6. December is in winter, therefore many people do not travel during December. 7. There are not a lot of holidays in February and March, so people are either working or going to school instead of visiting”

Use Net to find surface area of regular pyramid!! Pls help!!!!!!

Answers

Answer:

78

Step-by-step explanation:

The answer is 78 I just did this 3 days ago

Cindy's yard is 30 feet long and 40 feet wide. Edward charges 2 cents per square foot to mow yards. How much would Cindy have to pay to have Edward mow her yard?

A.) $24

B.) $240

C.) $48

D.) $480

Answers

The answer is A 24$ because 30x40 is 1200 and 1200x 0.02 is 24

A 24 because u gotta do 30x40

HELPPPPPP QUICKKKKK!!!!!!!!!!

Answers

Answer:

35x+55 = 160

Step-by-step explanation:

Cost equal flat rate plus rate per hour times hours where x is the number of hours worked

cost = 55 + 35x

160 = 55 + 35x

Rewriting

35x+55 = 160

D is the correct answer, 35x + 55 =160!

which angles are vertical to each other ?
I'll mark brainliest

Answers

Answer:

5 and 7

Step-by-step explanation:

vertical angles are opposite from each other

Answer:

5 and 7

Step-by-step explanation:

Help please!! Will give Brainly, and 50 Points.

Answers

Answer:

c. (11,-21)

Step-by-step explanation:

to visualize this, i put it on a graph and if you graph the 2 lines you find the point they intersect, which is (11, -21) Hope this helps!

Answer:

C

Step-by-step explanation:

Please help..write expanded form of the expression

Answers

79203782 there u go so that’s should he

79203782 there you go

Can I get some help plzzz. Also plz give steps

Answers

Answer:

r=2.9 cm

Step-by-step explanation:

Given:

volume=486π cm^3

height=18 cm

volume of a cone=πr^2h

486=π*r^2*18

486=18π*r^2

486/18=πr^2

27/π=r^2

27/3.14=r

8.5987=r^2

[tex]\sqrt{8.5987[/tex] =r

2.9323 =r

2.9=r(after converting to nearest tenth)

R=2.9cm………………………………………

Which value(s) from the set {5,7,9,11,13} make the inequalty w-4<8 true?

A. {5,7,9,11}
B. {11,13}
C. {13}
D. {5,7,9}

Answers

Answer:

5 7 9 11

Step-by-step explanation:it took me a little plz give me brainlist and a thank u

The answer is A I hope this helped

Please help!!!!!!!!!!!!!!!!!!!!

Answers

1. Corresponding

2. Angle 8

the first one is corresponding
the second one is angle 8

emma gave 2/5 of her money and an additional $9 to olivia. she gave 4/7 of her remaining money and an additional $1 to Ava. emma then had $17 left. how much did emma have at first

Answers

yo wsp how is it going kane

I think she has 85 left, I did the math but ion feel like writing it out. I could be wrong

What is the volume of the following rectangular prism?

Answers

Answer:

7/8

Step-by-step explanation:

Volume=AH

A= Area of base

H= Height

So

Volume= 1/3/4*(1/2)

=7/8

Answer:

7/8

Step-by-step explanation:

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