What is the measure of ∠CAB?Help! This is worth 25 pts!!

A.
34°

B.
56°

C.
68°

D.
146°

Answers

Answer 1

Answer: B.56
the sum of the degree of angles in a triangle is always 180 degrees. since angle ABC is 90 degrees and angle ACB is 34 degrees, the last angle, which is angle CAB, is 180 - 90 - 34 = 56

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What is the slope of a line passing through (3, 4) and (5,8)?
1/2
2
2/4
4/2

Answers

Answer:

Step-by-step explanation:

To find the slope of a line given two points $(x_1,y_1) \text{ and } (x_2,y_2)$ you could use the formula: $(y_2-y_1)/(x_2-x_1) \text{ or even } (y_1-y_2)/(x_1-x_2)$ .

However, what I'm fixing to do is equivalent to that except I think easier to remember.

You line up the points vertically and subtract, then put 2nd difference over 1st difference.

Like this:

( 3 , 4)

- ( 5 , 8)

---------------

-2 -4

So the slope is -4/-2=4/2=2.

The slope is 2.

Savannah read 178 minutes last week. what is 178 rounded to the nearest hundred?

Answers

First of all you need to know were the hundreds place is. The hundreds place is where the 1 is. (The 7 is the tens place. The 8 is the ones place.)

178 = 200

HOPE THIS HELPED
:)

200. You look at the number in the tenths place. If it is above 5, you round up one, and if it is less than 5, you leave it/you round down. 7 is greater than 5, so you add one to the hundreds place.

Annabel and Riley were given a homework packet of 120 math questions to finish over the summer. In June, Annabel finished 25% of the questions in her packet.
In June, Riley finished 40% of the questions in her packet.

How many more questions had Riley finished than Annabel?

Answers

Riley finished 18 more questions than Annabel, as per the given condition.

Given that,
Annabel and Riley were given a homework packet of 120 math questions to finish over the summer. Annabel finished 25% of the questions in her packet. In June, Riley finished 40% of the questions in her packet.

What is arithmetic?

In mathematics, it deals with numbers of operations according to the statements. There are four major arithmetic operators, addition, subtraction, multiplication and division,

Here,
Question finished by Annabel = 25% of 120 = 0.25 × 120 = 30
Question finished by Riley= 40% of 120 = 0.40× 120 = 48
Difference in the question = 48 - 30 = 18

Thus, Riley finished 18 more questions than Annabel, as per the given condition.

Learn more about arithmetic here:

brainly.com/question/11424589

#SPJ2

Answer:

18 questions

Step-by-step explanation:

A markdown that is greater than 99% but less than 100%

Answers

it is 99.5% because 99.5% is in the middle of 99% and 100%
hope I helped!!!

Jennifer earns $0.18 each time she practices the piano. If Jennifer earned $4.32, how many piano lessons did she practice?

Answers

Answer:

24 piano lessons

Step-by-step explanation:

$0.18: One time

$4.32: ? times

You have to divide 4.32 by 0.18 which will give you 24. So Jennifer practiced 24 times. :)

I hope that helps! :D

P.S. I don't know how you're supposed to do it (i.e. proportions, ratios, etc.), so that's why I did it the way I learned. I just want to say: there are more ways to do this problem. :)

Answer:

24 piano lessons

Step-by-step explanation:

$0.18: One time

$4.32: ? times

You have to divide 4.32 by 0.18 which will give you 24. So Jennifer practiced 24 times. :)

I hope that helps! :D

P.S. I don't know how you're supposed to do it (i.e. proportions, ratios, etc.), so that's why I did it the way I learned. I just want to say: there are more ways to do this problem. :)

In the equation x^2 + mx + n = 0, m and n are integers.The only possible value for x is –3. What is the value
of m ?
A. 3
B. –3
C. 6
D. –6
E. 9