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White raven [17]
3 years ago
6

13. The area of the rectangle shown below is 2x2 - x - 15 square units. What is the

Mathematics
1 answer:
Anit [1.1K]3 years ago
4 0

Answer:

width = (x - 3)

Step-by-step explanation:

2x² - x - 15 has two factors, one of which is '2x + 5'

we can find the other factor to be 'x - 3', which represents the width

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(b) If the sum of two consecutive odd numbers is 48, find the numbers.​
Rudiy27

Answer:

23, 25

Step-by-step explanation:

let the first number be represented as A, since there are two odd numbers, the second number would be A + 2

A + A+2 = 48

2A + 2 = 48

2A = 48 - 2

2A = 46  ( divide both sides by 2)

A = 23

since we know the next number to be A + 2

= 23 + 2 = 25

the two numbers are 23 and 25

6 0
2 years ago
PLEASE HELP ME
Nitella [24]

Answer: 136 units squared

Step-by-step explanation:

I will assume this is a rectangular prism since it isn't specified.

The surface area of a rectangular prism: SA = 2(lw+lh+wh).

Plugging in your dimensions: SA = 2(7*2 + 7*6 + 2*6) = 2(14+42+12) = 2(68) = 136 units squared.

8 0
3 years ago
There are 40 pens. 25 of them are red. What fraction of the pens are red?​
Nady [450]

Answer:

.....

Step-by-step explanation:

i think 1.6.

is it correct?

8 0
4 years ago
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What is the value of x?<br> (x + 40°<br> (3x)º
aniked [119]

Answer:

3x2+120x

Step-by-step explanation:

=(x+40)(3x)

=(x)(3x)+(40)(3x)

=3x2+120x

7 0
4 years ago
Help please and thank u!!!
trapecia [35]

Answer:

It’s a graph and we can’t help you but you can plug the equations into desmos (an online graphing calculator) to generate a line

8 0
3 years ago
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