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nikitadnepr [17]

2 years ago

5

The area of a rectangular roof on a dog house is 756 square inches. The length of the roof is 108 inches. how many inches wide i

s the roof?

1 answer:

rusak2 [61]2 years ago

3 0

The roof is Approximately 7 inches wide because 756/108=7

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Which expression is equivalent to this expression? x(2x+3) Question 1 options: 2x2+3 2x2+3x 2x2−3x 3x + 3

sleet_krkn [62]

Answer:

$2x^2+3x$ is the expression which is equivalent to $x\left(2x+3\right)$ .

In other words:

$x\left(2x+3\right)=2x^2+3x$

Step-by-step explanation:

Given the expression

$x\left(2x+3\right)$

solving

$x\left(2x+3\right)$

$\mathrm{Apply\:the\:distributive\:law}:\quad \:a\left(b+c\right)=ab+ac$

$a=x,\:b=2x,\:c=3$

$=x\cdot \:2x+x\cdot \:3$

$=2xx+3x$

$=2x^2+3x$ ∴ $2xx=2x^2$

Thus,

$x\left(2x+3\right)=2x^2+3x$

Therefore, $2x^2+3x$ is the expression which is equivalent to $x\left(2x+3\right)$ .

8 0

3 years ago

How many more students studied for at least 3 hours compared to students who studied

Tatiana [17]

Answer:

5 students

Step-by-step explanation:

9 students studied for more than 3 and 4 students studied less .

9-4=5

4 0

3 years ago

What is 16+2 and 18-3 and 2*3?

stepladder [879]

Answer:

16+2=18

18-3=15

2*3=6

Step-by-step explanation:

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2 years ago

PLEASE HELP ME! ILL GIVE 25 POINTS!!!

damaskus [11]

Answer:

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

How many centimeters are in 6.8 meters?

sesenic [268]

Answer:

680 cm

Step-by-step explanation:

There are 100 cm in 1 m, so multiply 6.8*10, which equals 680

hope this helps :)

7 0

2 years ago