1

Mathematics

1 answer:

Arlecino [84]3 years ago

3 0

Answer: B.), D.), and E.)

Step-by-step explanation:

That’s the answer on USAtestprep

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Solve the equation. 20x-7=5+16x

Evgesh-ka [11]

20x-7= 5+16x

Add 7 to both sides
20x= 12+16x

Subtract 16x from both sides
4x=12

Divide both sides by 4
x=3

Final answer: x=3

6 0

3 years ago

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Which fraction has the greatest value?

Yuki888 [10]

The answer would be 5/6

6 0

3 years ago

If 9:7 is the ratio, there are here 116 more boys than girls how many total students are there

Natali5045456 [20]

Now, let's say there are "b" boys and "g" gals... ok... well, we know there are 116 more boys than gals..... so, if there are "g" gals then there must be "g + 116" boys.

$\bf \cfrac{boys}{girls}\qquad 9:7\qquad \cfrac{9}{7}\implies \cfrac{9}{7}=\cfrac{\stackrel{boys}{g+116}}{\stackrel{girls}{g}}\implies 9g=7g+812
\\\\\\
2g=812\implies g=\cfrac{812}{2}\implies g=\stackrel{girls}{406}$

what's the total class? well is g + b or g + ( g + 116).

8 0

3 years ago

Jared is constructing a rectangular door for a shed. If the door, shown below, has a width of 42 in. and a diagonal support of 9

Goshia [24]

Answer:

Step-by-step explanation:

A rectangular door for a shed has a width of 42 in and a diagonal support of 94 in. The triangle formed by the rectangle's width (first leg), rectangle's length (second leg) and rectangle's diagonal (hypotenuse) is right triangle. By the Pythagorean theorem,

$\text{leg}_1^2+\text{leg}_1^2=\text{hypotenuse}^2.$