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kenny6666 [7]
3 years ago
11

Help ASAP BRAIN IF RIGHT The width of a rectangle is 12 units. Can the perimeter P of the rectangle be 60 units when its length

x is 18 units?
No, because P ≠ 2x + 2(12)
No, because P = 2x + 2(12)
Yes, because P ≠ 2x + 2(12)
Yes, because P = 2x + 2(12)
Mathematics
1 answer:
bonufazy [111]3 years ago
6 0

Answer:

Yes, because P = 2x +2(12)

Step-by-step explanation:

As the formula for perimeter is 2(L+B).

Let L=x=18

B=12

Then, perimeter, P=2(18+12) = 2(30) = 60

Hence, we get the perimeter as 60 units.

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A survey of 100 people found that 35 people exercise in the morning, 45 people exercise in the afternoon, and 20 people exercise
Sophie [7]
Jim is correct because the ratios need to compare with the total amount of people surveyed. 55, 80, and 65 are numbers that don't fit in and don't tell the overall ratio. You can tell this by writing it as a fraction. 
Ex: 35:100 = 35/100. This literally means 35 out of 100 people exercise in the morning. 

Hope this helps! If you have any questions, just ask!
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3 years ago
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Which of the following is an algebraic expression that represents the phrase X increased by 20
iren2701 [21]

Answer:

The expression means that X+20

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2 years ago
What is the soulution of -(-5-6x) = 4(5x+3)?
Fynjy0 [20]
You have to distribute the parentheses first. Since there is a negative sign in front of the parentheses, it counts as a negative 1. After you distribute you should get: -5+6x=20x+12, but that is not your final answer. After you add like terms: 17x=-17. Divide 17 on both sides: x=-1. X=-1 is your final answer.
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3 years ago
Jerome found the lengths of each side of triangle QRS as shown, but did not simplify his answers. Simplify the lengths of each s
tankabanditka [31]

Answer:

D. Triangle QRS is an isosceles triangle because QR = RS.

Step-by-step explanation:

Find the length of each side of the triangle using the formula for calculating the distance between two points.

D = √(x2-x1)²+(y2-y1)²

For side RS

R(0,0) and S(5, -3.322)

RS = √(5-0)²+(-3.322-0)²

RS = √25+11.035684

RS = √36.035684

RS = 6.0029

For side RQ

R(0,0) and Q(-3, -5.2)

RQ = √(-3-0)²+(-5.2-0)²

RQ = √9+27.04

RQ = √36.04

RQ = 6.0033

For side QS

Q(-3,-5.2) and S(5, -3.322)

QS = √(5+3)²+(-3.322+5.2)²

QS = √64+3.526884

QS = √67.526884

QS = 8.22

From the calculation it can be seen that RS=QR

Since the two sides f the triangle are equal, hence the triangle is an isosceles triangle. An isosceles triangle is a triangle that has two of its sides equal

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3 years ago
Solve the equation. 1/4 = y/12. y=
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Answer:

Step-by-step explanation:

\frac{1}{4}=\frac{y}{12}\\\\\frac{1}{4}*12=y\\\\1*3=y\\\\y=3

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