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grigory [225]
3 years ago
5

What is the value of x in the proportion below?

Mathematics
2 answers:
nekit [7.7K]3 years ago
6 0
The answer is B. 9 hours
Vesna [10]3 years ago
4 0
The answer is: The letter B. Which is 9
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I will give brainliest
pshichka [43]

Answer:

They studied for a little more than an our. A

Step-by-step explanation:

Because if you multiply 4 on 2/3 you get 8/12, then add 8/12 and 7/12 together to get 15/12 simplified 1  3/12.

3 0
3 years ago
Read 2 more answers
HELP ME ASAP!!! PLEASE
Sloan [31]
B, 190.
First you find the area of the circle (pi times radius squared) however, since you are given diameter, you must find radius by dividing diameter by 2. So, your radius is 9, then you plug it into the formula and you get 254.5. After multiplying this by 0.75 because you only want to find 75 percent of the area, you get the answer of 191m
4 0
3 years ago
Evaluate -2 x 2y , if x = -3 and y = -1. -12 -18 18 12
Rina8888 [55]

Answer:

-559872

Without adding in the additonal Numbers

-4xy

Step-by-step explanation:

<u><em>Im most likely way off so please, i am Not going to guarantee that this answer is correct </em></u>

<u><em>(This is the first time ive been unsure of my Answer so please take my warning into consideration) </em></u>

<u></u>

8 0
2 years ago
Simplify the expression i⁸²
Elza [17]

Answer:

We can use a trick here. Let's look at the first few exponents of i to realize this:

i^0 = 1

i^1 = i

i^2= -1

i^3 = -i

i^4 = 1

i^5 = i

i^6 = -1

i^7 = -i

we can see that the pattern (1, i, -1, -i) repeats. Since 82/2 = 41, and 41 is only divisible by 1, i^41 = i, and i^2 = -1. -1*i = -i, so i^82 = -i.

Step-by-step explanation:

6 0
3 years ago
A handyman charges a fixed rate of R to visit a customers house. In addition, the hardy man charges an hourly rate for H for eac
aksik [14]

Answer:

T == R + NH

Step-by-step explanation:

The fixed rate R is added to the hourly charges to get the total T. The hourly charges are the product of the number of hours and the charge per hour, NH.

The sum is then ...

... T = R + NH

4 0
3 years ago
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