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Given the equation 5(-2x -10) = 25(x + 1), solve for the value of x that will make the equation true.

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

5(-2x -10) = 25(x + 1)

-10x - 50 = 25x + 25

by transposing

-10x - 25x = 25 + 50

-35x = 75

x = -75/35

x = 15/7

or 2.142857..... in decimal

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Can someone please help me with this question so i can i get my grades up: (2/9v)−(−1/3v+5/9)

Birth and death rates are often reported as births ordeathsper thousand members of the population. What isthe relative
rate of growth of a population with a birth rate of 30births per
1000 and a death rate of 20 deaths per 1000?

Answers

Answer:

10 growth per 1000.

Step-by-step explanation:

Given,

Rate of birth = 30 births per 1000

Rate of death = 20 deaths per 1000

As the growth in population is the difference in the number of the child take birth and the person die.

As we are calculating the rate of birth and rate of growth in per thousands of members, so the growth rate will be also in per thousands.

As we can see on every one thousand people,

total birth = 30

total death = 20

so, total growth = total birth - total growth

= 30 - 20

= 10

As at every 1000 persons, there are 10 persons survive, so the rate of growth will be 10 growth per 1000.

True or false Every number divisible by 9 is also by 3?

Answers

Answer:

True

Step-by-step explanation:

9 is dividsible by 3 so every number divisable by nine is also divisable by three.

Answer:

True

Step-by-step explanation:

Because 3 is a factor of 9.

Which choice is equivalent to the product below?Vovino
O A. 4,/25
B. 2V50
O C. 5,2
O D. 10
SUBMIT

Answers

$√(2) . √(10) . √(5) \n = √(2 * 10 * 5) \n = √(100) \n = 10$

Answer:

D.10

Hope you could get an idea from here.

Doubt clarification - use comment section.

10

2*10*5= 100
Square root of 100 is 10

What's the nearest integer and the nearest tenth

Answers

Answer:

nearest integer 27 by 4

Question 101 pts Suppose that you had consumer group wanted to test to see if weight of participants in a weight loss program changed (up or down). They computed a 95% confidence interval of the result (2.177, 4.977). What do we know about the p-value for the test? Group of answer choices It would be greater than 0.05. Can not be determined. It would be 0.05. It would be less than 0.05.

Answers

From the confidence interval given, we have that the correct option is:

It would be less than 0.05.

At the null hypothesis, we test that there are no changes, that is, the means are equal, so:

$H_0: \mu_A = \mu_B$

$H_0: \mu_A - \mu_B = 0$

At the alternative hypothesis, we test if there was a change, that is, if the means are different, so:

$H_1: \mu_A - \mu_B \neq 0$ .

The confidence interval for the difference of means is: (2.177, 4.977).

It does not contain 0, which means that they are different.

Statistically significant results, which indicate difference, have low p-values, that is, lower than 0.05, thus the p-value would be less than 0.05.

A similar problem is given at brainly.com/question/22968227

Answer:

It would be less than 0.05.

Step-by-step explanation:

The hypothesis test was done to claim that the weight of participants has changed.

The null and alternative hypothesis could be written as:

$H_0: \mu=0\n\nH_a: \mu\neq0$

being μ the population mean change in weight.

With that information, we can tell that is a two tailed test. Sample means that fall in any of the tails, with a z-statistic over 1.96 or under -1.96 (at a significance level of 0.05), will be evidence to reject the null hypothesis.

The information we have about the sample is the 95% confidence interval calculated from the sample information.

This confidence interval does not include the value μ=0.

Then, there is 2.5% of probabiltity that the population mean is under 2.177, the lower bound of the interval, which includes the value μ=0.

With this information, we can conclude that the P-value have to be under 0.05.

The measure of an inscribed circle of an angle is the measure of the intercepted arc

Answers

Answer:

(the statement does not appear to be true)

Step-by-step explanation:

I don't think the statement is true, but you CAN compute the intercepted arc from the angle.

Note that BFDG is a convex quadrilateral, so its angles sum to 360. Since we know the inscribed circle touches the angle tangentially, angles BFD and BGD are both right angles, with a measure of 90 degrees.

Therefore, adding the angles together, we have:

alpha + 90 + 90 + <FDG = 360

Therefore, <FDG, the inscribed angle, is 180-alpha (ie, supplementary to alpha)

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