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inessss [21]
3 years ago
14

15=g/7 what does g equal to ​

Mathematics
2 answers:
Nookie1986 [14]3 years ago
8 0

Answer:

g = 105

Step-by-step explanation:

To solve this,I need to get rid of the number 7 in the denominator by multiplying each side by 7 :

15×7 = g/7 × 7

then g = 15×7 = 105

const2013 [10]3 years ago
4 0

Answer: 105 = g

Step-by-step explanation: To get <em>g</em> by itself, we would multiply

both sides of the equation by 7.

On the left, (7)(15) IS 105 and on the right, the 7's cancel.

So we have 105 = g.

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GuDViN [60]

Answer:

el precio de la biciclete entre 3 es lo que van a pagar cada quien.

Step-by-step explanation:

7 0
3 years ago
A piece of green jade has a mass of 23.401 g.if the sample of jade displaces 50.0 ml of water to 56.5 ml in a 100 ml graduated c
OleMash [197]

we know that

The density is equal to the formula

Density=\frac{mass}{volume}

in this problem we have

mass=23.401\ gr

<u>Find the volume of a piece of green jade</u>

Volume=56.5\ ml-50.0\ ml=6.5\ ml

Substitute the values in the formula of density

Density=\frac{23.401}{6.5}

Density=3.60\frac{gr}{ml}

therefore

<u>the answer is</u>

Density=3.60\frac{gr}{ml}

3 0
3 years ago
All I need to know is how to do 13. After I know how to do 13, I'll know how to do the rest. Please show your work and explain i
s2008m [1.1K]
MK is the same as NL.
Just  read the rest of the questions.
They practically give you the answers.
7 0
3 years ago
A laptop producing company also produces laptop batteries, and claims that the batteries
gregori [183]

Answer:

There is enough evidence to support the claim that the batteries power the laptops for significantly less than 4 hours. (P-value = 0).

The null and alternative hypothesis are:

H_0: \mu=4\\\\H_a:\mu< 4

Step-by-step explanation:

<em>The question is incomplete: To test this claim a sample or population standard deviation is needed.</em>

<em>We will estimate that the sample standard deviation is 2 hours, and use a t-test to test that claim.</em>

<em> NOTE (after solving): The difference between the sample mean and the mean of the null hypothesis is big enough to reject the null hypothesis, even when we have a sample standard deviation of 3.5 hours, which can be considered bigger than the maximum standard deviation for the sample.</em>

This is a hypothesis test for the population mean.

The claim is that the batteries power the laptops for significantly less than 4 hours.

Then, the null and alternative hypothesis are:

H_0: \mu=4\\\\H_a:\mu< 4

The significance level is 0.05.

The sample has a size n=500.

The sample mean is M=3.5.

As the standard deviation of the population is not known, we estimate it with the sample standard deviation, that has a value of s=2.

The estimated standard error of the mean is computed using the formula:

s_M=\dfrac{s}{\sqrt{n}}=\dfrac{2}{\sqrt{500}}=0.0894

Then, we can calculate the t-statistic as:

t=\dfrac{M-\mu}{s/\sqrt{n}}=\dfrac{3.5-4}{0.0894}=\dfrac{-0.5}{0.0894}=-5.5902

The degrees of freedom for this sample size are:

df=n-1=500-1=499

This test is a left-tailed test, with 499 degrees of freedom and t=-5.5902, so the P-value for this test is calculated as (using a t-table):

P-value=P(t

As the P-value (0) is smaller than the significance level (0.05), the effect is  significant.

The null hypothesis is rejected.

There is enough evidence to support the claim that the batteries power the laptops for significantly less than 4 hours.

5 0
3 years ago
Which of the following is the converse of the statement “if it is my birthday, then it is September”
ra1l [238]

Answer:

The converse statement is "If its is September then it is my birthday"

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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