3 years ago

How to solve 5 x to the 4th power

Mathematics

1 answer:

hammer [34]3 years ago

5 0

Do 5x5x5x5 which is 625

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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.

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3 years ago

If a function f(x)=x^3 has the domain {-3,0,2,4} what is it's range

torisob [31]

27, 0, 8, 64
All u need to do is cube all the numbers in the domain

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2 years ago

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Malcom has 125 feet of yarn to make it 100 bracelets. He uses the same amount of yarnto make each bracelet. Write an expression

lana66690 [7]

x=125/100

Divide the yarn by the bracelet number, and that's the answer I believe. Hope that helps

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3 years ago

Please help me with this question please!!!

rodikova [14]

Answer is 182. Just substitute the x and y value into the equation.

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3 years ago

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Solve this equation, pls. due today !!

Margarita [4]

Answer:

1) c=100

2) x^4-40x^3+400x^2

Step-by-step explanation:

When I write ^# that means it's squared and has a number above it :)

You're welcome :)

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3 years ago