3 years ago

I really need help please I will mark you as brainlist

Mathematics

2 answers:

Gelneren [198K]3 years ago

5 0

15/2 = $7.5 per hour
7.5 times 5 = $37.50 earned in 5 hours

wlad13 [49]3 years ago

5 0

Answer: 30

Step-by-step explanation:

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(−6x2−x)−(−4x2+10x−1) perform operation

weqwewe [10]

Answer:

Step-by-step explanation:

-6x^2 - x + 4x^2 - 10x + 1 = -2x^2 - 11x + 1

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3 years ago

Write an equation in slope-intercept form for the line with slope -7 and y-intercept 6

Lera25 [3.4K]

Answer:

y=-7x+6

Step-by-step explanation:

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y=-7x+6

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3 years ago

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5/12 multiplied by 3 in all

AVprozaik [17]

If you need the answer as a fraction then it is 5/4
if you need it as a decimal it is 1.25

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3 years ago

In 5 rounds of a game, Jill scored -3,8,9,-7, and 13. What integer represents her average score for the 5 rounds?

IgorC [24]

The answer is 9 because 5*(-3)+8+9-(-7)=9

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3 years ago

. A hat contains 100 coins, where 99 are fair but one is double-headed (always landing Heads). A coin is chosen uniformly at ran

SOVA2 [1]

Answer:0.565

Step-by-step explanation:

Hat contain 100 coins out of which 99 is fair and one is double headed.

Probability of getting 7 heads is sum of Head through fair coin+heads through biased coin

Probability of getting a head through a fair coin=0.5

$P(7 heads)=0.99\times 0.5^7+0.01\times 1$

$P(Double head |7 heads )=\frac{Probability\ of\ 7\ heads\ and\ double\ headed}{probability\ of\ 7\ heads}$

$P(Double head |7 heads )=\frac{0.01\times 1}{0.99\times 0.5^7+0.01\times 1}$

$=\frac{0.01}{0.99\times 0.0078+0.01}=0.565$

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3 years ago