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kondor19780726 [428]
3 years ago
15

Ill give you Brainliest

Mathematics
1 answer:
kipiarov [429]3 years ago
7 0

Answer:

Each spend $12.71, Total spend $50.84

Step-by-step explanation:

42.38/4=10.595

10.595(.2)=2.119

10.595+2.119=12.714

round to 12.71 because there are no thousandths in money.

12.71(4)=50.84

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Solve the system y = -x + 7 and y = -0.5(x - 3)^2 + 8.
AlladinOne [14]

Answer:

(1,6) & (7,0)

Step-by-step explanation:

y = -x + 7

y = -0.5(x - 3)² + 8

To solve the system, solve these two equations simultaneously

-x + 7 = -0.5(x - 3)² + 8

-x + 7 = -0.5(x² - 6x + 9) + 8

-x + 7 = -0.5x² + 3x - 4.5 + 8

0.5x² - 4x + 3.5 = 0

x² - 8x + 7 = 0

x² - 7x - x + 7 = 0

x(x - 7) - (x - 7) = 0

(x - 1)(x - 7) = 0

x = 1, 7

y = -1 + 7 = 6

y = -7 + 7 = 0

(1,6) (7,0)

Since the system has two distinct solutions, the line and the curve meet at two distinct poibts9: (1,6) & (7,0)

8 0
3 years ago
If 55% is 70.4 so what is hundred percent​
hodyreva [135]

Answer:

55%=70.4

1%=70.4/55= 1.28

100%=1.28into 100 = 128

8 0
2 years ago
What is a million times all the numbers in the world
kozerog [31]
Well, there isn’t really an end for numbers...

However; The biggest number referred to regularly is a googolplex (10googol), which works out as 1010^100. That isn’t the end to numbers but it is a huge one. We will replace that with ‘all the numbers in the world’.

106 is the exponent equivalent to 1 million

So your question would be:
106 x 1010^100 =

However I don’t believe there is a calculator that large.
7 0
2 years ago
The school Library was building a new one-room addition. the architects drawing shown below uses the scale 1/8 in = 1ft
EastWind [94]

Answer:

the total are is 459

Step-by-step explanation:

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2  1/4 divided by 1/8 = 18

so 18 x 25.5 = 459

hope this helps

8 0
3 years ago
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Simplify, picture attached
Sergeu [11.5K]

Answer:

01/6

wd

Step-by-step explanation:

5 0
2 years ago
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