Mathematics Middle School

2c+6= 30
work out the value of c

Answers

Answer 1

Answer:

2c + 6 = 30

2c = 24

c = 12

Answer 2
2c+6=30
subtract the 6
2c=24
divide by 2 get value of c
c=12

Related Questions

What is the surface area of the prism? Measurements are the length is 6cm the width is 4cm and the height is 9cm
Type number and unit (the unit can be in words).

Answers

Answer:

228

Step-by-step explanation:

is it a rectangle prism?

if so, do This:

2(lb+hb+hl)

Length - 6

width = 4

height = 9

2(24+36+54)

2 ( 114)

= 228

I hope this helps!

three different accounts are described below. order the accounts to their values after 10 years, from greatest to least.

Answers

Answer

You deposit $800 in an account that earns 7.5% annual interest compounded quarterly.

Step-by-step explanation:

From the close eye, this seems to me the best and most factual answer to be found!! Goodluck with your quiz!

$800 really hope that helps!

Please Help Thanks! Have a great day!

Answers

Answer:

It is 180 degrees!

Answer:

180°

Step-by-step explanation:

I hope this helps. I do apologize if it is wrong

What is the equation for this line?

Answers

I believe that the equation would be y=1/2x

What is the area, in square meters, of the shape below? Express your answer as a fraction in simplest form.

Answers

Answer:

20/3

Step-by-step explanation:

5/3 x 4/3

5x4=20

keep the denominator

20/3

Point M is located in the third quadrant of the coordinate plane, as shown.



Explain what you know about the signs of the coordinates of point M.

Answers

Answer:

It is in quadrant three

Step-by-step explanation:

The points of M means there x and y will both be negatives.

It’s in quadrant III. Which means that both of the numbers in the ordered pair will be negative.

Marcos was born in 1998. His grandmother was born forty-five years earlier. What year was Marcos' grandmother born?

A. 2043
B. 2033
C. 1954
D. 1953

Answers

Answer:

the answer is d

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

1998- 45= 1953

twenty millionths as a decimal

Answers

Answer:

it is 0.00002

Step-by-step explanation:

i searched it

0.0002 you can search it up to clarify it in case I’m wrong

Find the mean, median and mode of

1. 75 , 80 , 86 , 88 , 72 , 80

2. 40 , 40 , 35 , 26 , 30 , 21 , 27 , 36 , 24

Answers

Answer:

1. median: 80.5    mean: 16

2. median: 30      mean: 19

The volume of this cylinder is 32π yd2. Find the height.

Answers

The radius of the can is
4 inches.

Explanation:
The formula for volume of a cylinder is:
V=πr2h

Since we know the volume and the height of the can, we can determine the radius.
32
π
=
π
r
2
×
2
Cancelling the similar terms on either side, we get.
32
π
=
π
r
2
×
2
32
=
r
2
×
2
Divide both sides by
2
.
16
=
r
2
Square both sides, remembering that the result has to be a positive integer.
4
=
r
Hence the radius of the cylindrical can is
4
inches.

pls answer both question in both pictures, i'll give brainliest if right

Answers

For the orange triangle it’s 8.75 ft for the missing dimension. For the purple triangle, it’s 4 cm.

Answer:

Picture 1: 24/6=4 so, b= 4cm

Picture 2: 175/20 =8.75 so, h=8.75ft

PLEASE HELP!!
There are 5 red marbles, 8 blue marbles, and 12 green marbles in a bag.
Several trials are performed with the results shown in the table. What is the experimental probability of randomly drawing a green marble?

Red Blue Green
10 12 28
What is the experimental probability of randomly drawing a green marble?
What is the theoretical probability of randomly drawing a green marble?
What would you expect to happen if more trials of the experiment are performed? Explain your reasoning using complete sentences.

Answers

Answer:

experimental

[tex]p(green \: mable) = ( \frac{5}{24} \times \frac{8}{24} \times \frac{11}{24} ) \\ = 0.03[/tex]

theoretical

[tex] p(green \: mable) = \frac{12}{25} \\ = 0.48[/tex]

The formula for volume of a rectangular prism is V = Bh.

The variable B stands for the
.
In this prism, B equals
cm2.
The variable h stands for
.
In this prism, h equals
cm.
The volume of the prism is
cm3.

Answers

Answer:

B stands for base (12*2=24)

h stands for hight (9)

v stands for volume (24*9 = 216)

Step-by-step explanation:

ur downloading what? btw

.

pleasee help w all of them


1. which value makes this inequality TRUE? x - 12 ≥ 8

a) 4

b) 8

c) 12

d) 20

2. the goalie for a hockey team has faced no more than 40 shots on goal (s) this season. which inequality represents this situation?

a) S < 40

b) S > 40

c) S ≤ 40

d) S ≥ 40

3. which inequality is TRUE?

A) |-25| < |-11|

B) |-20| < 13

C) |17| > |-20|

D) |-14| > |-15|

Answers

Answer:

12, S>40, |17| > |-20|

Step-by-step explanation:

Answer:

x>_20

s<_40

ans of 3rd is D

Step-by-step explanation:

Answer all the pictures to get 12 points and brainliest sorry this is the last points i have

Answers

Answer:

#6 : C

#7 : B

#8 : D

#9 : B

#10 : B

#11 : D

#12 : D and E

#13 : A

Step-by-step explanation:

Hope it helps

Help me please!!! Effect of transformation

Answers

The answer is 17. explaining
i answer is 17 I think

HEEEELLLLLLLLPPPPPPPPPP!!!!!!!!
NO SCAMS!!

Answers

Huh. What about it??

Answer:

..........???

Step-by-step explanation:

I'm confused...... sorry for taking your points

I need help? Answer option are
A. Function 1
B. Function 2
C. The functions have the same y-intercept.

Answers

I’m pretty sure it’s b
C. The functions have the same y-intercept

On average Earth is 149.6x10^6 km away from the Sun , and Pluto is 5.9x10^9 What is the difference between Pluto's average distance from the Sun and Earth's average distance from the Sun?​

Answers

Answer:

Pluto is 39.5 astronomical units from the sun. That is nearly 40 times farther from the sun than earth. Plutos farthest point away from the sun is 49.3 astronomical units

Hey yalll? Any of you good at math!

Answers

The answer would be
A 5
B 20
C 50
8 15
9 5.2
10 9

7a

c²=a²+b²

c²=3²+4²

c²=9+16

c=25

c=5

7b

c²=a²+²

c²=12²+16²

c²=144+256

c²=400

c=20

7c

c²=a²+b²

c²=14²+48²

c²=196+2304

c²=2500

c=50

8.

c²=a²+b²

17²=8²+b²

17²-8²=8²-8²+b²

289-64=b²

225=b²

15=b

9.

c²=a²+b²

6²=a²+3²

6²-3²=a²

36-9=a²

27=a²

5.196=a

5.20=a

10.

c²=a²+b²

15²=a²+12²

15²-12²=a²

225-144=a²

81=a²

9=a

11.

The formula for finding the diagonal of a square is d=s√2

d=s√2

d=(7)√2

d=7√2

d=(7)(1.414)

d=9.898

d=9.9

What is the scale factor?

Answers

Answer:

the scale factor is 2

Step-by-step explanation:

the scale factor is 2

A park has a circular goldfish pond. The area of the surface of the pond can be found by using this formula.

A=πr2
What is the area, A, of the surface of the pond if its radius, r, is 5 feet? (Use 3.14 for π.)
A. 78.5 square feet
B. 31.4 square feet
C 15.7 square feet
D. 10.14 square feet

Answers

Answer:

A. 78.5

Step-by-step explanation:

Plug in all of your information.

A=(3.14)(5^2)

Solve in a calculator.

= 78.5

A. 78.5 square feet

Answer both please (middle school) ( probability)

Answers

Answer:

For the grease pencils the probability is the chance of geeting a green is 8 percent and a yellow pencil is 95%

Step-by-step explanation:

PLEASE HELP WITH THESE QUESTIONS

Answers

Answer:

32

Step-by-step explanation:

8X4

Answer:44.56637

Step-by-step explanation:

12.56637+32=44.56637

PLEASE HELP GUYS THIS IS MY FINAL!!

Answers

Answer:

3

Step-by-step explanation:

V = h*π*r²

27π = 3*π*r²

27π = 3π*3²

27π = 3π*9

27π = 27π

Its 3, I hope you pass! I’m on my finals too.

help asap plz i just cant

Answers

Answer:

(0,-7)

(1,-9)

(-1,-5)

(-2,-3)

Step-by-step explanation:

Your slope would be 2/3

I think this is right. Let me know if you know the formula and i can explain it to you!

(-6,5)

(-4,1)

(2,-9)

(-5,3)

this is my last day of school so i need help to finish this'

Answers

The answer it’s a. Pretty sure if not sorry

guys please help me i cant do this

Answers

Answer:

Step-by-step explanation:

add all of them and then see if they right

X : 4 , 6 , 8. Y : 8, 12 , 16

Naji is shopping for a new outfit to wear to his sister's graduation. The shirt he wants cost $85 but it's on sale for 20% off.

How much money will Naji spend on the shirt at it's sale price?
How much money does he save buying the shirt on sale?

Answers

Answer:he will spent $68 and save $17

Step-by-step explanation:

85×20= 1700/100= $17 he will save

Shirt will cost 85 -17= $68

He’ll spend $68 and save $17

Han has fish tank that a length of 14 inches and a width of 7 inches. Han puts in 1,176 cubic inches of water. How high does he fill his fish tank with water? Show or explain your thinking.

Answers

12 inches
Because 14 x 7 x 12 = 1176
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