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xxTIMURxx [149]
3 years ago
12

Can anyone help me with this

Mathematics
1 answer:
elena-s [515]3 years ago
4 0
6x3 +2x2-3x-7 these are supposed to go in the boxes
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A 15 foot building casts a 9 foot shadow. How tall is the building if it casts a 30 foot shadow at the same time?
ladessa [460]
15 : 9 = x : 30
x = 30 * 15 : 9
x = 50
7 0
3 years ago
Question: The hypotenuse of a right triangle has a length of 14 units and a side that is 9 units long. Which equation can be use
kramer

Answer:

The hypotenuse is the longest side in a triangle.

a^2=b^2+c^2.

14^2=9^2+c^2.

c^2=196-81.

c^2=115.

c=√115.

c=10.72~11cm

5 0
3 years ago
Evaluate the following expression. 5^-3
Ulleksa [173]
5^-3 is 1/125

The negative in the exponent makes it so there is a 1 over the problem if there was no negative. When you have a negative in the exponent, the answer will be the reciprocal (opposite) of the question with no negative.
For example,

9^2 = 81

9^-2 = 1/81

6 0
3 years ago
I need help! ill give brainliest! please!
Serggg [28]
How explain please !!!!!!!!!!
4 0
2 years ago
Simplify (-7/8)(-3/4).<br> O 6/7<br> o 2132<br> 0-2132
Andrews [41]

(-7/8)(-3/4)

multiply the numerators together

(-7)(-3)=21

multiply the denominators together

(-8)(-4)=32

answer:

21/32

7 0
3 years ago
Read 2 more answers
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