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Airida [17]
2 years ago
13

I WILL GIVE BRAINLIST

Mathematics
1 answer:
puteri [66]2 years ago
3 0
214.5

11x22=242
11x5/2=17.5
242-17.5=214.5
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Lorinda can walk 1.8 miles in 30 minutes. Which proportion can be used to find how many miles she can walk in 45 minutes?
KonstantinChe [14]
Maybe this is the answer 1.8/30 = x/45
8 0
3 years ago
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What is the measure of the base in the triangle below?
lesantik [10]

Step-by-step explanation:

AC+CB+BA=180

2x+23+3x-8+4x+1=180

9x+16=180

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Write an equation of the line with a slope of 3 and a y-intercept of 4.5
Rudiy27

Answer:

Step-by-step explanation: you answered the question

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4 0
3 years ago
if the height of the cylinder with a radius of 12 cm and a height of 20 cm has the same volume as a cone with a radius of 8 cm.
Marrrta [24]

Answer:

\large\boxed{H=135\ cm}

Step-by-step explanation:

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V=\pi r^2H

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V=\pi(12^2)(20)=\pi(144)(20)=2880\pi\ cm^3

The formula of a volume of a cone:

V=\dfrac{1}{3}\pi r^2H

r - radius

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We have the radius r = 8cm and the volume V = 2880πcm³. Substitute:

\dfrac{1}{3}\pi(8^2)H=2880\pi\qquad\text{divide both sides by}\ \pi\\\\\dfrac{1}{3}(64)H=2880\qquad\text{multiply both sides by 3}\\\\64H=8640\qquad\text{divide both sides by 64}\\\\H=135\ cm

7 0
3 years ago
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