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Masteriza [31]
3 years ago
9

Circle O has a circumference of 88π cm. Circle O has a radius length of r.

Mathematics
2 answers:
AnnZ [28]3 years ago
8 0

Answer:

r = 44 cm

Step-by-step explanation:

A circle has a circumference of 88π cm . The circumference of a circle is the distance around a circle. The radius can be calculated as follows.

circumference = 2πr

where

r = radius

circumference = 88π

circumference = 2π × r

88π = 2πr

divide both sides by 2π

r = 88π/2π

r = 44 cm

Lunna [17]3 years ago
6 0

Answer:

The radius r of the circle is 44cm

Step-by-step explanation:

This problem bothers on the mensuration of flat shapes, a circular shape.

Given data

Circumference of circle C= 88πcm

Radius of circle r=?

The problem seeks to solve for the radius r.

To solve for the radius let us apply the formula for the circumference of a circle

C=2πr

Substituting our given data

88π=2πr

Making r subject of formula we have

r= 88π/2π

r= 44cm

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geniusboy [140]
<span>3x – 15y = 60

y-intercept x = 0</span>
3(0)– 15y = 60
-15y = 60
y = -4

x-intercept y = 0
3x– 15(0) = 60
3x = 60
x  =20

answer :

<span>C. x-intercept: 20; y-intercept: –4</span>
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3 years ago
The volume of a box without a lid is given by the formula v = 4x(10-x)^2, where x is a length in inches and v is the volume in c
Aloiza [94]

The volume of the box without the lid is 500 cubic inches.

<h3>What is volume?</h3>

The capacity of an object is measured by its volume. For instance, a cup's capacity is stated to be 100 ml if it can hold 100 ml of water in its brim.

Another way to think of volume is as the amount of space a three-dimensional object takes up.

Calculation for the volume of the box-

The volume of a box without a lid is given by the formula v = 4x(10-x)².

Where,

'x' is a length in inches, and

'v' is the volume in cubic inches.

The volume when x = 5 inches.

Substitute the value of 'x' in the formula of volume;

v = 4×5(10-5)²

  = 20×5²

v  = 500

Therefore, the volume of a box without a lid is 500 cubic inches.

To know more about the volume of a cardboard shoe box, here

brainly.com/question/623789

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8 0
2 years ago
Luisa is a deep-sea diver. Today she descended to a depth below -21 feet. What phrase describes the distance of Luisa’s dive?
Bingel [31]

Answer:

its B

Step-by-step explanation:

she went deeper than 21 feet so greater than 21

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2 years ago
Subtract 1 + ( - 1 ) - ( - 3 ). Hint: Add the first two numbers, then subtract the -3 from the result of that addition
kykrilka [37]

Answer:

Add 3. Double that. Subtract 4. Cut that in half. Subtract your original number. Your result is 1!

Step-by-step explanation:

I'm guessing, Hope its right.

7 0
3 years ago
2 questions here:
solmaris [256]
<span>1. Make y the subject 
a) 4y=12x+18
y = 3x + 4.5

b) 2x=7-3y
3y = -2x + 7
y = -2/3x + 7/3

2.
a) what is the equation of the line which passes through both (-2,-4) and (6,16)

slope = (16 + 4)/(6 +2) = 20/8 = 2.5
y = mx + b
-4 =2.5(-2) +b
-4 = -5 +b
b = 1

equation
y = 2.5x + 1


b) what is the equation of the line perpendicular to y= 1/2X + 7 passing through point (3,9)

</span>y= 1/2X + 7
slope = 1/2

slope of line perpendicular = -2

passing through point (3,9)

y = mx + b
9 = -2 (3) + b
b = 15

equation

y = -2x + 15

6 0
3 years ago
Read 2 more answers
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