1. Given: 3(m-2) + 14 = 38
Prove: m= 10
please help it’s a proof

Answers

Answer 1
Answer:

Answer:

It is 10 (m=10)

Step-by-step explanation:

3 (10-2) + 14                  Subtract whats in the parentheses

3 (8) + 14                        Multiply 3 and 8

24 + 14                             Add the remaining to get the sum ( 24 + 14 )

38           (Your total)

~~~Hope this helps~~~

Answer 2
Answer: I think their right.

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Solve the equation for x -x*2-10x+24=0

Answers

Answer:

x=-12        x =2

Step-by-step explanation:

-x^2-10x+24=0

Divide by -1

x^2 +10x -24 = 0

Factor

What 2 terms multiply to -24 and add to 10

12 * -2 = -24

12 -2 = 10

(x+12) ( x-2) = 0

Using the zero product property

x+12 =0    x-2 =0

x=-12        x =2

The answer is x=-12 an x=2

(PLEASE ANSWER + BRAINLIEST ANSWER!!)The sector of a circle shown to the left has its center at point O. The arc XYZ has length 10.8, and the central angle XOZ has measure 1.8 radians. What is the radius length, r, of the sector?

A. √12

B. 6

C. 50/3

D. 19.44

Answers

The arc length, radius and the included angle are related as

r\theta=\widehat {XYZ} where \theta is in radians.

The radius r is given by

Correct choice is (B).

B is the answer hope this helps and please mark me as brainliest 

Rick needs to be at school at 8:15 A.M. It takes him 20 minutes to walk to school.At what time dose he need to leave to get to school on time?

Answers

Rick needs to leave at 7:55am to get to school on time.

7:55am is 20 minutes before 8:15am.

The graph below shows the distance (y) between Hannah and her home, in km, after a certain time (x), in hours:Which of the following statements best describes Hannah"s distance from her home?

Answers

Alright, from the graph, we know that Hannah's distance between hour 2 and hour 4 isn't uniform, so what we need to do is break the graph down a little.

When we break it down, we learn that Hannah's distance between hour 2 and hour 3 is decreasing because the y value decreases, and that Hannah's distance between hour 3 and hour 4 is increasing, because the y value starts increasing again.

Once we know that, all that's left is to match it up with the choices given. We can eliminate choices A and D because Hannah's distance between hour 2 and hour 4 isn't uniform, leaving us with B and C.

Between hours 2 and 3, we know that Hannah's distance is decreasing because the y value decreases, giving you your answer, which is C!

Answer:

C

It is decreasing in the interval 2 < x < 3 hours

Step-by-step explanation:

i took the test

What is the slope of this graph?

Answers

Answer:

-1

Step-by-step explanation:

It's going down so it's a negative, and it's going down one square unit at a time so just 1.

PLEEESE HELLLLLLP If you have a test average of 92 and a standard deviation of 1.8, you generally do well on tests.t f

Answers


Yes, that's true PROVIDED your test scores are normally distributed.

If they are, then more than 99% of your test scores are within three
standard deviations of the mean. 

You told us that 3-sigma = 5.4 .  So less than one score out of every
hundred tests you take is lower than  86.6  or higher than  97.4 . 

You are remarkably consistent, so I guess Jupiter must have been
in its ascendancy next door to the house of Andromeda about an
hour before you were born, or some such nonsense.