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IRISSAK [1]
3 years ago
12

Easy 7th grade math questions please help it would be v appreciated

Mathematics
1 answer:
AnnZ [28]3 years ago
4 0

Answer:

1.)C

2.)A

3.)B

4.)B

5.)A

Step-by-step explanation:

BTW if it's EASY then try but anyway,there you go!!

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A video game originally cost 49.99.it was discounted15%. What is the sale price of the game
Fofino [41]

Answer:

$42.49

Step-by-step explanation:

s=p−(p×d)

Where:

s

is the sales price: what we are solving for in this problem

p

is the original price: $49.99 for this problem

d

is the discount percent: 15% for this problem. "Percent" or "%" means "out of 100" or "per 100", Therefore 15% can be written as

15/100. Substituting and calculating

s gives: s =$49.99-($49.99×1510)

s=$49.99−$749.8100

s=$49.99−$7.4985   s=$42.4915    s=$42.49

rounded to the nearest cent.

The sales price of the video game is $42.49

4 0
2 years ago
Read 2 more answers
Area of a Circle This activity will help you meet these educational goals: Mathematical Practices—You will make sense of problem
Annette [7]
Can someone tell me the answer
8 0
3 years ago
13. Write an equation for the given function given the amplitude, period, phase shift, and vertical shift.
aev [14]

Answer:

y=4sin(\frac{\pi}{2} x+\pi)-2

Step-by-step explanation:

The equation of a periodic  function is in the form:

y = Asin(Bx + C) + D

Where A = amplitude, B = 2π / period, D = vertical shift, phase shift = -C / B.

Given that:

amplitude: 4, period 4 phase shift = vertical shift = -2

Hence:

A = amplitude = 4, B = 2π / period = 2π / 4 = π / 2, D = vertical shift = -2.

Phase shift = -C / B

C = -phase shift * B = - * -2 * π / 2 = π.

Therefore substituting gives:

y=4sin(\frac{\pi}{2} x+\pi)-2

8 0
3 years ago
I need an answer to this
Ulleksa [173]

Answer:

x=3

Step-by-step explanation:

x+1*5=20

x*5=15

15/5=3

Hope this helps! :)

4 0
3 years ago
The difference between half a number and 19
Alla [95]

Answer:

Step-by-step explanation:

9

7 0
3 years ago
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