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Harrizon [31]
3 years ago
12

23

Mathematics
1 answer:
Anastasy [175]3 years ago
4 0

Answer:

A. p=5

Step-by-step explanation:

2.5x5=12.5

The rest are over 14

Hope this helps! :)

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What is the area of the trapezoid? [A = 5(61 + b2)h]
Harman [31]

Answer:

A = 105 cm²

Step-by-step explanation:

The area (A) of the trapezoid is calculated as

A = \frac{1}{2} [ (b₁ + b₂)h ]

where h is the height and b₁, b₂ the parallel bases

Here h = 5 , b₁ = 24 and b₂ = 18 , then

A = \frac{1}{2} [ (24 + 18)5 ]

   = \frac{1}{2} (42 × 5)

   = \frac{1}{2} × 210

   = 105 cm²

7 0
3 years ago
6. Find QR, if area and altitude PS of ∆PQR are given<br> ar(∆PQR) = 180 cm2, PS = 15​
Slav-nsk [51]

Given:

Area and altitude PS of ∆PQR are ar(∆PQR) = 180cm² and PS = 15​.

To find:

The measure of side QR.

Solution:

According to the given information, PS is an altitude of ∆PQR. It means QR is the base of ∆PQR.

We know that, the area of a triangle is

Area=\dfrac{1}{2}\times Base\times Height

ar(\Delta PQR)=\dfrac{1}{2}\times QR\times PS

Substituting the given values, we get

180=\dfrac{1}{2}\times QR\times 15

180\times 2=QR\times 15

360=QR\times 15

Divide both sides by 15.

\dfrac{360}{15}=QR

24=QR

Therefore, the measure of side QR is 24 cm.

3 0
3 years ago
Katrina is solving the equation -2(x+3)= 4(2x+3)-(x+4). Which equivalent equations might Katrina use? Check all that apply. Ox-2
s344n2d4d5 [400]

Step-by-step explanation:

-2x-6=8x+ 12-x-4

x-2x-6=8x+12-4

5 0
3 years ago
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kramer

Answer:

you subtract 14 from -9 and that justifies it

Step-by-step explanation:

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8 0
3 years ago
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Which of the following rational functions is graphed below?
AlekseyPX

Answer:

The rational function that is graphed is B

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3 years ago
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