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3 years ago

What is the following following product 4 square 7 • 4 square root 7• 4 square root 7 •4 square root 7

Mathematics

1 answer:

iVinArrow [24]3 years ago

5 0

Answer:

The value of product is 7.

Step-by-step explanation:

Since we have given that

4 square 7x4 square root 7x4 square root 7x4 square root 7

We need to find the product of the following terms:

We will apply the "law of exponents":

i.e.

(a^m)^n=a^{mn}

4 square 7x4 square root 7x4 square root 7x4 square root 7

=7 ^(1/4)4=7

Hence, the value of product is 7.

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3 years ago

If 8 boys went to the washroom, there would be as many boys as girls in the room. 3 If 8 girls went to the washroom, there would

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3 years ago

Solve -2 = 5p + 3p -8 – 6p

Shalnov [3]

Answer:

P=3

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

−2=5p+3p−8−6p

−2=5p+3p+−8+−6p

−2=(5p+3p+−6p)+(−8)(Combine Like Terms)

−2=2p+−8

−2=2p−8

Step 2: Flip the equation.

2p−8=−2

Step 3: Add 8 to both sides.

2p−8+8=−2+8

2p=6

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2 years ago

Divide 9x4 - 6x2 + 3x2 by 3x2 -1.

bulgar [2K]

Answer:

3x^2 is the final solution

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2 years ago

A consumer affairs investigator records the repair cost for 4 randomly selected washers. A sample mean of $64.26 and standard de

Mashutka [201]

Answer:

Critical value: z = 1.28

The 80% confidence interval for the mean repair cost for the washers is between $46.487 and $82.033.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.80}{2} = 0.10$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$

So it is z with a pvalue of 1-0.1 = 0.9, so z = 1.28

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

$M = 1.28*\frac{27.77}{\sqrt{4}} = 17.773$

The lower end of the interval is the mean subtracted by M. So 64.26 - 17.773 = $46.487.

The upper end of the interval is M added to the mean. So 64.26 + 17.773 = $82.033.

The 80% confidence interval for the mean repair cost for the washers is between $46.487 and $82.033.

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2 years ago