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mel-nik [20]
4 years ago
9

Solve each one Thank you!

Mathematics
1 answer:
strojnjashka [21]4 years ago
3 0

hope this helps! sorry if it didnt

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If m= 3 and n= 2, then m2-n2 is equal to
Ulleksa [173]

Answer:

5

Step-by-step explanation:

(I'm assuming that by m2 and n2 you mean m to the power of 2 and n to the power of 2)

Whenever you have a number to a power, it is the same as that number times itself that power number of times. For example, 3 to the power of 4 is equal to 3 times itself 4 times, which is 3 * 3 * 3 * 3. If we use this and substitute the values in for m and n, we get that 3^2 - 2^2, and since 3^2 is 3 * 3 and 2^2 is 2 * 2 and 3 times 3 is 9 and 2 times 2 is 4, we get that 9 - 4 is 5.

<em>Note: This symbol means to the power of ----> ^</em>

6 0
3 years ago
Given h(x)=2x^3+x^2+7, what is the value of h(-3)?
Vika [28.1K]
The answer to h(-3) would be -38
6 0
3 years ago
The real solution for x2 = 25
Westkost [7]

Answer:

x = 12.5 or 12 1/2 (depends if you want decimal or fractions)

Step-by-step explanation:

8 0
3 years ago
Martha has 25 coins in her purse some of these coins are nickels and the rest are quarters if the total value of the coins she s
Alexxandr [17]
In this situation, quarters can only take you as far as $3.50. After that, three nickels will get you up to $3.65.
5 0
3 years ago
A bale of hay was 100 cm long by 40 cm wide by 20 cm tall. What is the volume of the bale of hay?
Ksenya-84 [330]

Answer:

80000 cm cubed

Step-by-step explanation:

L*W*H

100*20*20

8 0
3 years ago
Read 2 more answers
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