Which expression is equivalent to the given expression?3(2a + 5)

11a

6a + 15

6a + 5

21a

Answers

Answer 1

Answer: 3(2a + 5) = 3 * 2a + 3 * 5 = 6a + 15

Answer 2

Answer: the answer is 6a + 15

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What number is 20% of 20

Answers

10% of a number can be found by moving the decimal point over one space to the left.
20 move the decimal point to the left = 2
Now that we know that 10% of 20 is 2, we can find 20% by multiplying 2 by 2.
20% of 20 is 4.
Our answer is 4.

Christopher had a part-time job doing lawn work. During June, he earned $129.99. During July, he earned $412.50. What were his total earnings for June and July?

Answers

Answer:

129.99+412.50=$542.49

Step-by-step explanation:

What is the approximate volume of a cone with a height of 11 ft and radius of 3 ft?Use 3.14 to approximate pi, and round answers to two decimal places if necessary. Actually ttype in 3.14 don't use the symbol because it adds more numbers
___ft3
$\pi$ don't use this do 3.14

Answers

Substitute the values of the radius (r=3), the height (h=11), and an approximation of Pi (3.14) into the formula to find the volume of the cone.
V≈+1/3⋅3.14⋅3^2⋅11

Simplify.
Write 3.14 as a fraction with denominator 1.
V≈+1/3⋅3.14/1

Combine 1/3 and 3.14/1 to get 3.14/3.
V≈+3.14/3

Replace back in to larger expression.
V≈+3.14/3⋅3^2⋅11

Divide 3.14 by 3 to get 1.04666667.
V≈+1.04666667⋅3^2⋅11

Raise 3 to the power of 2 to get 9.
V≈+1.04666667⋅9⋅11

Multiply 1.04666667 by 9 to get 9.42.
V≈+9.42⋅11

Multiply 9.42 by 11 to get 103.62.
V≈+103.62

Remove trailing zeros from 103.62.
V≈+103.62ft^3

Volume:
V≈+103.62ft^3

so volue of a cone=1/3 times (area of base) times height
area of base=circle so

find area of base/circle

pi times r^2
3.14 times 3^2
3.14 times 9
28.26

1/3 times 28.26 times 11=103.62 cm^3

Find the volume of the composite figure. please!

Answers

64 is the annswer that is the answer

64 ft would be the correct answer

Mr. Falcone pizza shop offers three sizes of pizza. The small medium and large pizzas have diameters of 8 inches 10 inches 12 inches

Answers

The circumference of small size, medium size and large size of pizzas are 25.12 inches, 31.4 inches and 37.68 inches.

Step-by-step explanation:

Given,

The diameter of small pizza = 8 inches,

The diameter of medium pizza = 10 inches and

The diameter of large pizza (d) = 11 inches

To find, the circumference of each size of pizza = ?

We know that,

The circumference of the circle = $2\pi r= \pi d$

∴ The circumference of small size of pizza = 3.14 × 8 = 25.12 inches

The circumference of medium size of pizza = 3.14 × 10 = 31.4 inches

Also,

The circumference of large size of pizza = 3.14 × 12 = 37.68 inches

Thus, the circumference of small size, medium size and large size of pizzas are 25.12 inches, 31.4 inches and 37.68 inches.

You can also refer:

https://brainly.ph/question/1009095

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?