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NemiM [27]
3 years ago
10

Which order of function composition would benefit Blake the most? Justify your answer. (-100 *0.9) (x) = -100 * 0.9x = -90x

Mathematics
1 answer:
artcher [175]3 years ago
3 0

Answer:

Step-by-step explanation:

(-100*0.9)(x)==-90x

Blake should first multiply the numbers in parenthesis and then multiply by x, even the answer is right but the process is wrong Blake has to follow the rule

Parenthesis , Exponent, Multiplication/Division, Addition/ Subtraction

P E M D A S

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katrin2010 [14]

Answer:

21

Step-by-step explanation:

20 x 10 = 200 so 20 students sleep for 9 hours

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since 10 is half of 20, half of 2 is 1 so that last 10 = 1 student,

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6 0
3 years ago
An equation is shown below: 2(7x − 3) = 9 Which of the following correctly shows the beginning steps to solve this equation? (4
enyata [817]

Answer:

2(7x-3)=9

14x-6=9

14x=9+6

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5 0
2 years ago
Read 2 more answers
Solve for all solutions of the equation: x^3 - 8 = 0
djyliett [7]

Answer:

x=2

Step-by-step explanation:

x^3=8

x=2  (take the cubed root of both sides)

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8 0
3 years ago
Please help me!!!!!!​
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Answer:

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3 0
3 years ago
Daniel wanted to know his approximate score on the final exam for his mathematics class. His professor hinted that his score was
frozen [14]

Answer: 101.69

Step-by-step explanation:

Formula we use to find the z-score :-

z=\dfrac{x-\mu}{\sigma}    (1)

Given : \mu=90

\sigma=7

Daniel's z score : z= 1.67

Let x be the raw score for Daniel's exam grade, then substitute the values of \mu,\ \sigma\ and \ x in (1), we get

1.67=\dfrac{x-90}{7}\\\\\Rightarrow\ x-90=7\times1.67\\\\\Rightarrow\ x=11.69+90=101.69

Hence, the raw score for Daniel's exam grade = 101.69

3 0
3 years ago
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