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____ [38]
3 years ago
8

Please show me how to do #11.

Mathematics
1 answer:
Elodia [21]3 years ago
5 0
Do number 11 in your own way.
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Harry bought a sweater that only cost $5 when it normally costs $35. What percent was the discount? Provide an explanation. A. 1
erastova [34]

Answer:

D. 85.7%

Step-by-step explanation:

its figuring out the percentage decrease

so you would go

35-5= 30

30/35 x 100 = 85.7

8 0
3 years ago
Read 2 more answers
Which expression is equivalent to 2^4 ⋅ 2^−7?
yaroslaw [1]
Remember
(x^m)(x^n)=x^{m+n}
and
x^{-m}=\frac{1}{x^m}

so
(2^4)(2^{-7})=
2^{4-7}=
2^{-3}=
\frac{1}{2^3}=
\frac{1}{8}
8 0
3 years ago
Read 2 more answers
I need help solving for y and ploting it in the graph
Ket [755]
Basically y would be whatever the number x is times 2, so -2 to the second power is -4, -1 to the second power is -1, 0 to the second power is 0, 1 to the second power is 1 and 2 to the second power is 4. now all you have to do is graph those points and you’re good!
8 0
2 years ago
Read 2 more answers
Complete the following proof. Prove: In an isosceles triangle, two medians are equal.
Paraphin [41]

Answer:

Midpoint of AB              = (0 + 2a / 2 , 0 + 0 / 2) = (2a / 2 , 0 / 2) = (a,0)

x coordinate of point c = a

                                  N = (0 + a / 2 , 0 + b / 2) = (a / 2 , b / 2)

                                  M = ( 2a + a / 2 , 0 + b / 2) = (3a / 2 , b / 2)

                                MA = √(3a / 2 - 0)² + b / 2 - 0)²

                                       = √(3a / 2 )² + (b / 2) = 9a² / 4 + b² / 4

                                NB = √(a / 2 - 2a)² + (b / 2 - 0 )²

                                      = √( a / 2 - 4a / 2)² + (b / 2 - 0)²

                                      = √(-3a / 2)² + (b / 2)² = √9a² / 4 + b² / 4

Step-by-step explanation:

I tried my best hope its correct :0

8 0
3 years ago
How would I solve this? I tried and I got a reallly crazy number... I think I messed up somewhere. The question is... Jack and M
Lera25 [3.4K]
37 x 10 = 370
21 x 11 = 231

Mark worked 21 Hours, Jack worked 37 Hours.
4 0
3 years ago
Read 2 more answers
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