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wariber [46]
2 years ago
6

State whether the number is prime, composite, or neither. 55

Mathematics
1 answer:
victus00 [196]2 years ago
4 0

Answer:

composite

Step-by-step explanation:

because number is a number that can be divided evenly by more numbers than 1 and itself.The number 55 can be evenly divided by 1, 5, 11

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Alexis put $2000 in savings account. After 4 years, she had $2543 in the account. What rate of interest did she earn?
Marizza181 [45]

Answer:

A

Step-by-step explanation:

Hihi. So, this is a nice application of interest rates as well as properties of exponentials/logarithms. As you know, the basic equation for interest rates is A= Pe^(rt) where A is your final amount, P is your initial, r is your rate of interest, and t is the time the money was accumulating interest. After cleaning up, you get in a situation due to you having e still lying around. Luckily, if you take the natural log of e, all you have left behind is the previous exponent. Thus, you can take the natural log of both sides, divide by 4, and then simplify to see that your final interest rate is ~6%

5 0
3 years ago
Read 2 more answers
A teacher asks four students to solve the expression (-6) – 9. The table shows each student's response
vagabundo [1.1K]

Answer:-15 is correct

Step-by-step explanation:

(-6)-9 is the same as -6-9 since parenthesis aren’t really needed in thins case and if you use the order of operations you go left to right. So, -6-9=-15 because a negative- a negative= a negative.

7 0
3 years ago
A circle is inscribed a in a square. The side length of the square is X in. If the area of the shaded region is 20 pie, what is
Alborosie

Answer:

8.555 in.

Step-by-step explanation:

So the area of the square is x^2.

This makes that the area of the circle is x^2 - 20 pie.

The radius of the circle is half of the diameter, so it is 0,5x.

The formula for the circle area is:

Area = pie * r^2.

x^2 - 20 pie = pie * (0,5x)^2

x^2 - 20 pie = pie * 0,25x^2

x^2 - pie * 0,25x^2 = 20 pie

x^2 * (1 - 0,25 pie) = 20 pie

x^2 = 20pie / (1 - 0,25 pie)

x = square root (20pie / (1 - 0,25 pie)) = 17.11

So the radius is 0,5 * 17.11 = 8.555 in.

6 0
3 years ago
Work on the screenshot
Marrrta [24]

Answer:

12 gallons

Step-by-step explanation:

If it takes 20 h for 5 gallons to be filled, it takes 4 h for 1 gallon to be filled. This is the ratio. You multiply 4 h by 12 to get 48 h, so you multiply 1 gallon by 12 as well. This is 12 gallons.

4 0
2 years ago
Read 2 more answers
How would I do this? What would it be?
Leni [432]

4x + 4 = 48

4x + 4 - 4 = 48 - 4

4x = 44

4x / 4 = 44 / 4

x = 11

6 0
2 years ago
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