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ElenaW [278]
2 years ago
11

Jen solved the equation 100-1/2x=92 to determine the number of questions, x , she answered incorrectly on a text

Mathematics
1 answer:
Scorpion4ik [409]2 years ago
7 0

The given equation is ⇒ 100 - (1/2) x = 92

100 - (1/2) x = 92  ⇒ Add (-100) to both sides

-100 + 100 - (1/2) x = 92 - 100

∴ -(1/2) x = -8           ⇒ Multiply both sides by (-2)

∴ -2 * (-1/2) x = -8 x -2

∴ x = 16


So, the value of  x will be equal 16

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⚠️URGENT PLS HELPPPPP<br><br> LINKS WILL BE REPORTED
balu736 [363]
The answer is the last one
6 0
2 years ago
A rectangular swimming pool measures 7.5 m by 4.5 m. It is completely surrounded by a fence parallel to each edge of the pool an
Illusion [34]

The total length of the fence is 48 m if the rectangular swimming pool measures 7.5 m by 4.5 m.

<h3>What is rectangle?</h3>

It is defined as the two-dimensional geometry in which the angle between the adjacent sides are 90 degree. It is a type of quadrilateral.

It is defined as the area occupied by the rectangle in two-dimensional planner geometry.

The area of a rectangle can be calculated using the following formula:

Rectangle area = length x width

It is given that:

A rectangular swimming pool measures 7.5 m by 4.5 m.

It is completely surrounded by a fence parallel to each edge of the pool and at a distance of 3 m from each edge of the pool.

The total length of the fence = 2(7.5+3×2 + 4.5+3×2)

The total length of the fence = 2(7.5+6 + 4.5+6)

The total length of the fence = 2(24)

The total length of the fence = 48 m

Thus, the total length of the fence is 48 m if the rectangular swimming pool measures 7.5 m by 4.5 m.

Learn more about the rectangle here:

brainly.com/question/15019502

#SPJ1

4 0
1 year ago
maggie's brother is 3 years younger than twice her age. the sum of their ages is 24. write solve an equation to determine maggie
prohojiy [21]
Maggie =x
brother = 2x-3
x+2x-3= 24
27 /3= 3 x/3
x= 9 years
7 0
3 years ago
Does -2(z+3)-z=-z-4(z+2) have one,zero or infinite solutions
Andrew [12]

Hello from MrBillDoesMath!

Answer:

One solution (z = -1)

Discussion:

-2(z+3)-z=-z-4(z+2)        =>

-2z -6 -z = -z -4z - 8       =>

-3z -6 = -5z -8                =>  add 6 to both sides

-2z = -5z -2                     => add 5z to both sides

3z = -5z +5z -3               =>

3z = -3                            =>

z = -1

Thank you,

MrB

6 0
3 years ago
Post assessment
lions [1.4K]
1. D
2. E
3. B
4. Pentagon
5. C
3 0
3 years ago
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