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Fittoniya [83]
3 years ago
5

URGENT!!!The number of questions on a math test is represented (3x+1). The number of questions on a spelling test is represented

by (x+12). Write an expression to find how many more questions were on the math test. Then evaluate the expression if the value of x is 8.
Mathematics
1 answer:
timama [110]3 years ago
7 0
(3x+1)-(x+12)

(24+1)- 20

25-20=5

5 more questions
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What are proportiesof math
romanna [79]
Zero, distributive, commutive. thats all I can think of.
7 0
3 years ago
Read 2 more answers
What is the surface area of the right rectangular prism?
allsm [11]
7sqrt = 49 since the base is a square.
49 x 2 = 98 - since there's 2 of those identical squares.
7 x 5 = 35 - area of the rectangular face.
35 x 4 = 140 - since there's 4 of those faces.

140 added by 98 is 238.

So answer is B.
4 0
3 years ago
Kevin bought 3 dvds for 45.99 how much would 7 dvds cost?
Alecsey [184]

Answer:

I am pretty sure the answer would be $107.31. Sorry if I'm wrong.

Step-by-step explanation:

First you take the total of the 3 DVD's (45.99) and you divide that by 3 (number of DVD's) to get 15.33 which is called the unit price. Then, you take your unit price and multiply that by how many items you are going to buy.

45.99 / 3 = 15.33

15.33 x 7 = 107.31

6 0
3 years ago
Find the two inequalities that define the region on the grid that is not shaded
hoa [83]

Answer:

y 》 2

y > -x + 3

Step-by-step explanation:

Equation of the bold line:

m = (-3/3) = -1

y = -x + 3

Shaded region is below y=2 (dotted)

So, it's defined by y < 2

Also, it's below the bold line

y 《 - x + 3

Everything outside these is not shaded:

y 》2

and y > -x + 3

3 0
3 years ago
A square has an area of 49 in.² what is each side of the perimeter
ludmilkaskok [199]
I hope this helps you




square one side a



Area=a.a



49=a.a



7.7=a.a



a=7



Perimeter=4a=4.7=28
8 0
3 years ago
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