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3 years ago

Select the denominator of 4/9

Mathematics

1 answer:

Assoli18 [71]3 years ago

5 0

The denominator is the one on the bottom so 9 is the denominator the top is the numerator

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Find the diameter of a cone that has a volume of 104.67 cubic inches and a height of 4 inches. Use 3.14 for pi. 4 inches 6 inche

aleksandr82 [10.1K]

V: volume of a cone = (πr²h)/3 = 104.67 in³
π: pi = 3.14
r: radius = 1/2 diameter = [unknown]
h: height = 4 in

V = (πr²h)/3
V = r²(πh)/3

r² = (3V)/(πh)
r² = (3 ×104.67)/(3.14 × 4)
r² = 25

r = √25
r = 5 (but remember the radius is only 1/2 the diameter)

thus . . .

<u><em>d = 10 in </em></u>

8 0

3 years ago

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3241004551 [841]

Answer:what do u need help with?

Step-by-step explanation:

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3 years ago

Danielle works Ox hours a day. She earns $5.50 an hour. How much money does Danielle earn each day? Give your answer in terms of

jolli1 [7]

Answer:

5.50x

Step-by-step explanation:

Because you are giving the answer in terms of x, Danielle is earning 5.50 an hour. the X represents the hour, so you multiply 5.50 by x to see how much she earned for that amount of time.

3 0

2 years ago

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The radius of a circle is 3 inches . What is the circumference of the circle ?

Vlada [557]

Answer:

Option C

Step-by-step explanation:

Circumference of a circle is:

$C=2\pi r$

r - radius

We are given the radius of 3 inches.

$C=2\pi r\\\\C=2(3)\pi \\\\C=\boxed{6\pi }$

Option C should be the correct answer.

Hope this helps!

3 0

3 years ago

Emily sells erasers for $2 per package and pencils for $5 per package. she sells 220 total packages and earns $695. find the num

Sophie [7]

Given :

Emily sells erasers for $2 per package and pencils for $5 per package. she sells 220 total packages and earns $695.

To Find :

The number of packages of erasers and pencils that were sold .

Solution :

Let, number of erasers are x and pencils are y.

So, x + y = 220 ....1

Also, 2x + 5y = 695 ....2

Solving equation 1 and 2, we get :

$2(220-y)+5y = 695\\\\440 - 2y + 5y = 695\\\\3y = 255\\\\y=85$

x = 220 - 85 = 135

Therefore, the number of packages of erasers and pencils that were sold are 135 and 85 respectively.

Hence, this is the required solution.

5 0

2 years ago