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2 years ago

PLSSSSSSS HEEELLPPP ASAP. quation

Mathematics

1 answer:

Gnoma [55]2 years ago

6 0

Answer:

7.) y=1/3x+3

Step-by-step explanation:

the slope is 1/3 and the y intercept is 3

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Which set is closed under the operation multiplication?

oee [108]

I have another set of choices here:

A. {0.5, 1, 2}

B. {1, 2, 4}

C. {1, 2, 3, 4, 5}

D. {0}

If you multiply two numbers from a closed set the answer is in the set.
So A is not closed because 2 x 2 = 4 which isn't in the set. Only 0.5, 1, and 2 are in set A. 

Try multiplying the largest numbers in sets B, C, and D by themselves. You will soon discover the closed set.

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3 years ago

How do you find m in a slope word problem?

fgiga [73]

Answer:

use two points given or use rise over run

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3 years ago

Read 2 more answers

What is the radius of a sphere if its surface area is 2,122.64 square inches? (Use 3.14 for π.) 11 in. 13 in. 121 in. 169 in.

crimeas [40]

To solve this, we are going to use the surface are of a sphere formula: $A=4 \pi r^2$
where
$A$ is the surface area of the sphere
$r$ is the radius of the sphere

We know for our problem that $A=2122.64$ and $\pi =3.14$ , so lets replace those vales in our formula:
$A=4 \pi r^2$
$2122.64=4(3.14)r^2$
$2122.64=12.56r^2$
Now, we just need to solve our equation for $r$ :
$\frac{2122.64}{12.56} =r^2$
$r^2=\frac{2122.64}{12.56}$
$r^2=169$
$r=+or- \sqrt{169}$
$r=13$ or $r=13$
Since the radius of a sphere cannot be a negative number, $r=13$ .

We can conclude that the radius of a sphere with surface area 2,122.64 $in^2$ is 13 in.

3 0

3 years ago

A kilometer is 3,280.8 feet. How many feet long is a meter?

love history [14]

There is 3.28084 feet in a meter

7 0

3 years ago

6.1 x -1 = ? please help meeeeeeeee

timurjin [86]

Answer:

-6.1

Step-by-step explanation:

Hope this helps!

3 0

2 years ago