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3 years ago

15

Jacob sells homemade skateboard decks for a profit of $27 per deck. He is considering switching to a new type of material that w

ill increase his profit, as expressed by the function y=32x, where x is the number sold and y is the amount of profit.
How many more dollars will Jacob earn on each skateboard deck if he switches to the new material? Explain how you found your answer

2 answers:

tino4ka555 [31]3 years ago

5 0

Answer:

y=5

Step-by-step explanation:

My name is Ann [436]3 years ago

5 0

Answer:

y=5

Step-by-step explanation:

hhhhhhhhhhhhhhhhhhhhhhhhh hsh

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3 years ago

The average expenditure on Valentine's Day was expected to be $100.89 (USA Today, February 13, 2006). Do male and female consume

AfilCa [17]

Answer:

Yes. The male and female consumers differ in the amounts they spend.

Step-by-step explanation:

We can express the null and alternative hypothesis as:

$H_0: \mu_m=\mu_w\\\\H_1: \mu_m\neq\mu_w$

It is assumed a significance level of 0.05.

The standard deviation of the difference of means is calculated as:

$s=\sqrt{\frac{s_m^2}{n_m} +\frac{s_w^2}{n_w} } =\sqrt{\frac{35^2}{40} +\frac{20^2}{30} } =\sqrt{30.625+13.333} =\sqrt{43.958} =6.63$

The test statistic is

$t=\frac{(M_m-M_w)-0}{s}=\frac{135.67-68.64}{6.63}=10.11$

The degrees of freedom are:

$df=n_1+n_2-2=40+30-2=68$

The P-value for t=10.11 is P=0, so it is smaller than the significance level. The null hypothesis is rejected.

We can conclude that male and female consumers differ in the amounts they spend.

5 0

4 years ago

Need by tomorrow please help

nikklg [1K]

1 - 9
2 -28
3 54
4 -100
5 -60
6 0
7 49
8 -135
9 -96
10 300
11 0
12 192

6 0

3 years ago

Read 2 more answers

6. Enuanuel was speaking with a friend from another country. His friend told

Kaylis [27]

I believe 62 because it it’s closer to an hour

5 0

4 years ago

Consider this equation: {x-9 - 2x+2 = 1 Which is an equivalent equation after combining like terms? 8 X-11=1 3 -= -4 X-71 3 8 -7

grandymaker [24]

Answer:

B. -4/3x - 7 = 1

Step-by-step explanation:

2/3x - 9 - 2x + 2 = 1
2/3x - 2x - 7 = 1
2/3x - 6/3x - 7 = 1
-4/3x - 7 = 1

Correct option is B

8 0

3 years ago