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amm1812
3 years ago
5

HELP PLS ASAP.I LOST SO MY POINTS

Mathematics
2 answers:
Leto [7]3 years ago
7 0
X=6 because 6 x 6 x 6 = 216
Molodets [167]3 years ago
7 0
B) x=6


Explanation: it’s equivalent to 216
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Help please! This really impacts my grade!! Hope you guys know the answers
Leokris [45]

Answer: this dose not even make sense

Step-by-step explanation:

You only put a pdf

5 0
3 years ago
The original price was $60 and the new sales price is $45. What is the percent discount?
cestrela7 [59]

Answer: 25%

Step-by-step explanation:

\frac{60}{45}=\frac{100}{x}

x=\frac{45*100}{60} \\x=75

Subtract 75% from 100%

100-75=25%

5 0
3 years ago
Read 2 more answers
Suppose that we are testing a coin to see if it is fair, so our hypotheses are: H0: p = 0.5 vs Ha: p ≠ 0.5. In each of (a) and (
aleksley [76]

Answer:

H_0: p = 0.5\\H_a: p \neq 0.5

a. We get 56 heads out of 100 tosses.

We will use one sample proportion test  

x = 56

n = 100

\widehat{p}=\frac{x}{n}

\widehat{p}=\frac{56}{100}

\widehat{p}=0.56

Formula of test statistic =\frac{\widehat{p}-p}{\sqrt{\frac{p(1-p)}{n}}}

                                       =\frac{0.56-0.5}{\sqrt{\frac{0.5(1-0.5)}{100}}}

                                       =1.2

refer the z table for p value

p value = 0.8849

a.  We get 560 heads out of 1000 tosses.

We will use one sample proportion test  

x = 560

n = 1000

\widehat{p}=\frac{x}{n}

\widehat{p}=\frac{560}{1000}

\widehat{p}=0.56

Formula of test statistic =\frac{\widehat{p}-p}{\sqrt{\frac{p(1-p)}{n}}}

                                       =\frac{0.56-0.5}{\sqrt{\frac{0.5(1-0.5)}{1000}}}

                                       =3.794

refer the z table for p value

p value = .000148

p value of part B is less than Part A because part B have 10 times the number the tosses.

6 0
3 years ago
Solve and graph the following inequality: 3(7x+17) > -19 + 14x
love history [14]

Answer:

Solving the inequality we get: \mathbf{x>-7}

Step-by-step explanation:

We need to solve and graph the inequality 3(7x+17) > -19 + 14x

Solving:

3(7x+17) > -19 + 14x

Step 1: Multiply  3 with terms inside the bracket

21x+51 > -19 + 14x

Step 2:Subtracting 51 on both sides

21x+51-51 > -19 + 14x-51\\21x>14x-70\\

Step 3: Subtract 14x on both sides

21x-14x>+14x-70-14x\\7x>-70

Step 4: Divide both sides by 7

\frac{7x}{7}>\frac{-70}{7}\\x>-10

Solving the inequality we get: \mathbf{x>-7}

The graph is attached in the figure below.

5 0
3 years ago
Which of the following is a step in simplifying the expression x multiplied by y to the power of 3 over x to the power of negati
stich3 [128]

Answer:

-3

Step-by-step explanation:

5 0
2 years ago
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