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4 years ago

somebody plz help me (the question i need help with is the one that is circled in pink and has the number 4)

Mathematics

1 answer:

marysya [2.9K]4 years ago

7 0

3/4 * 2/5 = 15/20 and 8/20, leaving 7/20 left to paint.

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What is the best approximation for the circumference of a circle with a radius of 125 m?

ANEK [815]

Answer:

Option B is correct

circumference of a circle is 785 m

Step-by-step explanation:

Circumference of the circle(C) is given by:

$C = 2\pi r$

where

r is the radius of the circle

As per the statement:

radius of the circle is 125 m

then substitute in [1] we have

$C = 2 \cdot 3.14 \cdot 125$

Simplify:

C = 785 m

Therefore, the circumference of a circle is 785 m

8 0

3 years ago

Read 2 more answers

Carla bought a piece of ribbon that measured 1 meter in length. She used 1/4 of the ribbon on a gift box. She used 1/8 of the ri

lord [1]

1/4 is equal to 2/8.

2/8+1/8=3/8

Carla used 3/8 of the ribbon in all. So, 5/8 of the ribbon is left.

I hope this helps :)

4 0

3 years ago

A right prism has a base in the shape of an octagon. The side length of the octagon is 4 inches. The length of the apothem is 4.

EleoNora [17]

Answer:

927 cubic inches

Step-by-step explanation:

The area of the octagonal base is ...

A = (1/2)Pa

where P is the perimeter, and 'a' is the apothem. Using the given numbers, the base area is ...

A = (1/2)(8·4)(4.83) = 77.28 . . . square inches

The volume of the prism is given by ...

V = Bh

where B represents the area of the base, and h is the height.

V = (77.28 in^2)(12 in) = 927.36 in^3

The volume of the prism is about 927 cubic inches.

4 0

3 years ago

Given : 11x – 6y = –1; x = 8

Natasha_Volkova [10]

Answer:

B. a. Given; b. Substitution Property; c. Subtraction Property of Equality; d. Division Property of Equality; e. Symmetric Property of Equality

Step-by-step explanation:

Given expression,

$11x - 6y = -1; x = 8$

By substituting x = 8,

$11(8) - 6y = -1$

$88 - 6y =-1$

By subtraction property of equality,

$-6y = -89$

Division property of equality,

$y = \frac{89}{6}$

By symmetric property of equality,

$\frac{89}{6} = y$

7 0

4 years ago

Suppose you have 24 CDs. You know that you have 7 more CDs than your friend. Write and solve an equation to find the number of C

mote1985 [20]

It’s c hope this helped

8 0

3 years ago