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3 years ago

What is an exponent?

2 answers:

8 0

Answer: An exponent is the number of which a certain number or variable (x, y z, etc) is multiplied by itself. for example, if you multiply 2 x 2, it could be stated as 2^2. or if you multiply 4 x 4 x 4, it could be stated as 4^3. but it doesn't work unless the numbers are the same. if you have 3 x 3 x 4, it isn't 3^3, it's 3^2 x 4.

Alex73 [517]3 years ago

7 0

hey! i may not be of much help, but here is what i would put;

an exponent is how many times the base number is multiplied by itself. For example, if you have 2^2, then you would multiply 2 by 2 to get 4. if you had 10^2, then you would multiply 10 by 2 to get 100.

Hope i helped some!

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Find the area of this shape.

Amiraneli [1.4K]

Hi.

I'm going to tell you the process, since I don't have a calculator on me. Don't wanna risk it, lol.

We can break this shake into 2 parts: a rectangle, and a triangle.

To separate them, just calculate the area of the rectangle with 4 km & 3.5 km

Since the triangle's area is half that of the rectangle, all we need to do is divide the area of the rectangle by 2 to get the area of the triangle (it's confusing when in words, eh?)

Once you find the area of both, add them together.

This should get you the area of the shape.

I hope this helped. Once again, please let me know if there are mistakes.

3 0

3 years ago

There are 149 people in Jared’s class. Jared buys erasers for each of them. Erasers are sold 4 to a pack. How many packages of e

Oduvanchick [21]

Approximately 37 packs should do

6 0

3 years ago

Read 2 more answers

Write a function rule for the following geometric sequence.

Natasha2012 [34]

I think it f(x) = 3x + 4 if I am wrong I am so so sorry have a great day.

3 0

2 years ago

Geometry math question please help

Phoenix [80]

Therefore,DE=4y-8=4*6-8=16
And ,BE=y+10=6+10=16
=>BD=DE+EB=16+16=32
Hope This helps u...!!

7 0

3 years ago

A random sample of 12 recent college graduates reported an average starting salary of $54,000 with a standard deviation of $6,00

Marianna [84]

Answer: a.) $50188 to $57812

Step-by-step explanation: Confidence Interval (CI) is an interval of values in which we are confident the true mean is in.

The interval is calculated as

x ± $z\frac{s}{\sqrt{n} }$

a. For a 95% CI, z-value is 1.96.

Solving:

54,000 ± $1.96.\frac{6000}{\sqrt{12} }$

54,000 ± $1.96\frac{6000}{3.464}$

54,000 ± 1.96*1732.102

54,000 ± 3395

This means the interval is

50605 < μ < 57395

With a 95% confidence interval, the mean starting salary of college graduates is between 50605 and 57395 or from 50188 to 57812$.

b. The mean starting salary for college students in 2017 is $50,516, which is in the confidence interval. Therefore, since we 95% sure the real mean is between 50188 and 57812, there was no significant change since 2017.

4 0

2 years ago