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marin [14]
2 years ago
14

The area of a rectangle is 28 square meters. The length is 7 meters.

Mathematics
1 answer:
Tresset [83]2 years ago
7 0

Answer:

The width is 4 meters

Step-by-step explanation:

The area of a rectangle is

A = l*w

We know the area and the length

28 = 7*w

Divide each side by 7

28/7 = 7w/7

4 =w

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The graph of y > 1 2 x - 2 is shown. Which set contains only points that satisfy the inequality? A) {(6, 1), (-1, -3), (4, 4)
Kaylis [27]

Answer:

Option B) {(1, -1), (-3, -3), (2, 4)}

Step-by-step explanation:

<u><em>The correct inequality is </em></u>

y>\frac{1}{2}x-2

The solution of the inequality is the shaded area above the dashed line y=\frac{1}{2}x-2

see the attached figure to better understand the problem

we know that

If a ordered pair satisfy the inequality, then the ordered pair must lie in the shaded area of the solution

<u><em>Verify each case</em></u>

case A) {(6, 1), (-1, -3), (4, 4)}

ordered pair (6,1)

For x=6, y=1

substitute in the inequality

1>\frac{1}{2}(6)-2

1>1 ---> is not true

therefore

The point not satisfy the inequality

case B)  {(1, -1), (-3, -3), (2, 4)}

ordered pair (1,-1)

For x=1, y=-1

substitute in the inequality

-1>\frac{1}{2}(1)-2

-1>-1.5 ---> is true

so

The point satisfy the inequality

ordered pair (-3,3)

For x=-3, y=3

substitute in the inequality

3>\frac{1}{2}(-3)-2

3>-3.5 ---> is true

so

The point satisfy the inequality

ordered pair (2,4)

For x=2, y=4

substitute in the inequality

4>\frac{1}{2}(2)-2

4>-1 ---> is true

so

The point satisfy the inequality

therefore

The set contains only points that satisfy the inequality

case C) {(1, -1), (-3, -3), (4, -2)}

ordered pair (4,-2)

For x=4, y=-2

substitute in the inequality

-2>\frac{1}{2}(4)-2

-2>0 ---> is not true

therefore

The point not satisfy the inequality

case D) {(-1, -3), (-3, -3), (2, 4)}

ordered pair (-1,-3)

For x=-1, y=-3

substitute in the inequality

-3>\frac{1}{2}(-1)-2

-3>-2.5 ---> is not true

therefore

The point not satisfy the inequality

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3 years ago
What is the area of this triangle m2 <br><br> 19 m<br> 22m
alexandr402 [8]
Uhhh i don’t really know good luck figuring it out!!
4 0
3 years ago
Name an angle bisector shown in the figure.<br><br><br> DE<br><br> AB<br><br> GB<br><br> CF
expeople1 [14]

Answer:

CF

Step-by-step explanation:

we know that

An <u><em>angle bisector</em></u> is a line that divide an angle into two equal angles.

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m\angle ACF=m\angle FCD ---> given problem

m\angle ACD=m\angle ACF+m\angle FCD ---> by addition angle postulate

so

CF is an angle bisector of angle m\angle ACD

6 0
2 years ago
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2 years ago
What is the value of e in e^x
Nookie1986 [14]

Answer

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Step-by-step explanation

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