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2 years ago

I'd really appreciate it if anyone helps!

Mathematics

1 answer:

den301095 [7]2 years ago

4 0

Y=4.
find x=-3 the look up and down vertically to x=-3 then find the corresponding y is.

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The formula for the volume V of a cylinder is , where r is the radius of the base and h is the height of the cylinder. Select th

m_a_m_a [10]

Answer:

Step-by-step explanation:

V = π r² h

where r = 3 cm

V = 36π cm³

solve for h

plugin values into the formula:

36π = π 3² h

h = <u> 36π </u>

π 3²

h = 4 cm

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2 years ago

What is the area of parallelogram ABCD? ..

Hatshy [7]

Answer:

20 square units

Step-by-step explanation:

B * H

height = 5

base = 4

4 * 5

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2 years ago

What is 1/10 of 3,000

il63 [147K]

1/10 of 3,000

(1/10)(3000/1)

=(1)(3000)/(10)(1)

=3000/10

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7 0

2 years ago

Read 2 more answers

The length of each side of an equilateral triangle is increased by 20%, resulting in triangle ABC. If the length of each side of

kompoz [17]

Answer: Area of ΔABC is 2.25x the area of ΔDEF.

Step-by-step explanation: Because equilateral triangle has 3 equal sides, area is calculated as

$A=\frac{\sqrt{3} }{4} a^{2}$

with a as side of the triangle.

Triangle ABC is 20% bigger than the original, which means its side (a₁) measures, compared to the original:

a₁ = 1.2a

Then, its area is

$A_{1}=\frac{\sqrt{3} }{4}(1.2a)^{2}$

$A_{1}=\frac{\sqrt{3} }{4}1.44a^{2}$

Triangle DEF is 20% smaller than the original, which means its side is:

a₂ = 0.8a

So, area is

$A_{2}=\frac{\sqrt{3} }{4} (0.8a)^{2}$

$A_{2}=\frac{\sqrt{3} }{4} 0.64a^{2}$

Now, comparing areas:

$\frac{A_{1}}{A_{2}}= (\frac{\sqrt{3}.1.44a^{2} }{4})(\frac{4}{\sqrt{3}.0.64a^{2} } )$

$\frac{A_{1}}{A_{2}} =$ 2.25

<u>The area of ΔABC is </u><u>2.25x</u><u> greater than the area of ΔDEF.</u>

7 0

2 years ago

the price of an item has been reduced by 40% the original price was $15 what is the price of the item now

harkovskaia [24]

This answer would be 21 because you’d just do 15 increased by 40% which gave me 21

3 0

2 years ago