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3 years ago

In the drawing g>h. which statement about the volumes of the two cylinders is true

Mathematics

1 answer:

Contact [7]3 years ago

7 0

Answer:

The bottom option for ttm

Step-by-step explanation:

The volume of the left-hand cylinder is less than the volume of the right-hand cylinder.

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Given that y varies inversely with x, if x =7 and y = 4, what is y when x = 2?

AysviL [449]

Answer:

y = 14

Step-by-step explanation:

y ∝ $\frac{1}{x}$

=> y = $\frac{k}{x}$ -------------(1)

Where k is the constant of proportionality

Now,

x = 7, y = 4

Putting in (1)

4 = $\frac{k}{7}$

So,

=> k = 28

Now y = ? when x = 2

Putting x and k in (i)

y = $\frac{28}{2}$

y = 14

3 0

3 years ago

Read 2 more answers

Helen is putting a fence around her flower garden, which is in the shape of half of a circle and a rectangle. If the semicircle

erastova [34]

Answer:

Part 1) Helen will need 38 feet of fencing

Part 2) The perimeter around the three sides of the rectangular section of the garden is 27 feet

Part 3) The approximate distance around half of the circle is 11 feet

Step-by-step explanation:

Part 1) How much fencing will Helen need?

Find out the perimeter

we know that

The perimeter of the figure is equal to the sum of three sides of the rectangular section plus the circumference of a semicircle

$P=2L+W+\frac{1}{2}\pi D$

we have

$L=10\ ft\\W=7\ ft\\D=7\ ft\\\pi =\frac{22}{7}$

substitute

$P=2(10)+7+\frac{1}{2}(\frac{22}{7})(7)$

$P=20)+7+11=38\ ft$

therefore

Helen will need 38 feet of fencing

Part 2) What is the perimeter around the three sides of the rectangular section of the garden?

$P=2L+W$

we have

$L=10\ ft\\W=7\ ft$

substitute

$P=2(10)+7$

$P=20+7=27\ ft$

therefore

The perimeter around the three sides of the rectangular section of the garden is 27 feet

Part 3) What is the approximate distance around half of the circle?

Find the circumference of semicircle

$C=\frac{1}{2}\pi D$

we have

$D=7\ ft\\\pi =\frac{22}{7}$

substitute

$C=\frac{1}{2}(\frac{22}{7})(7)$

$C=11\ ft$

therefore

The approximate distance around half of the circle is 11 feet

4 0

3 years ago

Read 2 more answers

Joey bought a dozen oranges for $3.50 and several bananas for $0.25 each at the grocery store. Joey spent a total of $5.75 on th

blagie [28]

Answer:

9 bananas

Step-by-step explanation:

7 0

3 years ago

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Twenty four over the quantity of 3 x minus two. Find f(−2).

TEA [102]

Answer:

f(-2) = -3

Explanation:

Not sure if those last couple numbers are answer choices, but I'm going to infer that they might be.

Twenty four over the quantity of 3 x minus two in standard form is:

f(x) = 243x−2

Since the number in the ( ) = x, plug in for x using f(-2)

243∗(−2)−2

P E {M D} {A S} for where to solve first

Multiply the 3 and (-2):

24−6−2

Add -6 and -2:

24−8

Divide the rest:

f(-2) = -3

3 0

4 years ago

Can someone please answer this question please answer it correctly and lease show work please help me I need it

earnstyle [38]

Answer:

Step-by-step explanation:

The correct answer would be $\frac{-5}{3}$ . Therefore, none of the answer choices fulfill this and A and B are not correct.

8 0

3 years ago

Read 2 more answers