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3 years ago

6

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1 answer:

nataly862011 [7]3 years ago

7 0

Answer:

56

Step-by-step explanation:

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Valeria has 5 gummy worms she ate 2 how much does she have now?

drek231 [11]

Answer:

3

Step-by-step explanation:

5-2=3

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Samantha and Mia each left Julia’s house at the same time. Mia walked north at 7 kilometers per hour. Samantha ran west at 11 ki

Lena [83]

Mia walked 7km/h so after 1 hour, she is 7 km north of the house of Julia

Samantha walked 11km/h so after 1 hour, she is 11 km west of the house of Julia.

The points where Mia and Samantha are after 1 hour , and the house of Julia form a right triangle with sides 7 and 11 km. The distance between the girls, is the hypotenuse of his triangle.

by the pythagorean theorem:

$MS= \sqrt{ 7^{2} + 11^{2} }= \sqrt{49+121}= \sqrt{170}= 13 (km)$

Answer: 13 km

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2 years ago

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What is the difference between positive and negative exponents

Sladkaya [172]

Negative exponents create the reciprocal of the original number:

2^2=4
2^-2=1/4

4^4=64
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3 years ago

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Stephanie has the same number of dimes and nickels. She has $6.10 in all. Write an equation that you could use to find the numbe

Igoryamba

Answer:

The equation is

15x = 610

Step-by-step explanation:

A dime is 10 cents while a nickel is 5 cents

$6.10 is same as 610 cents

Let the number of dimes and number of nickels be x

10x + 5x = 610

15x = 610

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2 years ago