3 years ago

Help !!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

OLga [1]3 years ago

7 0

Answer:

with what

Step-by-step explanation:

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Which expression forms an equation with the given expression? 8•7-4=<br>

Firdavs [7]

Answer:

the answer to this equation is 52

Step-by-step explanation:

3 0

3 years ago

Choosing a graph to fit a narrative ^^

nadya68 [22]

For A) It would be the fourth one.
For B) It would be the first one.

4 0

3 years ago

PLEASE HELP I HAVE NO IDEA WHAT IM DOING!!!

algol13

Answer: 28.26

Step-by-step explanation:

What your looking for is called the annulus (or the difference of two concentric circles). You can find the annulus by subtracting the area of the inner circle from the area of the outer circle. Volume of a circle= πr²

You are given the diameter in these problems, so you need radius.

For the first circle (8 in one) :

8/2=4 r=4

A=3.14(4)²

A=50.24

For the second one (10 in one) :

10/2=5 r=5

A=3.14(5)²

A=78.5

To find the measure of the annulus, you subtract those numbers, getting 28.26

8 0

4 years ago

A podcast is 180 minutes long. During the podcast there are more than 48 minutes of commercials.

irina [24]

127-79/4(48)-56a
A=68

3 0

2 years ago

Determine the percent of change? original: 50 new: 150.

Reptile [31]

Hi there! The percentage of change is 200%

We can find the percentage of change using the following formula:
$\frac{new-original}{original} \times 100$

When we fill in this formula, we get the following:
$\frac{150-50}{50} \times 100 = \frac{100}{50} \times 100 = 2 \times 100 = 200$

Therefore, the percentage of change is 200%

5 0

3 years ago