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alekssr [168]
3 years ago
10

Please help! Will mark brainliest

Mathematics
1 answer:
kobusy [5.1K]3 years ago
7 0

Answer:

B. 15"

Step-by-step explanation:

a^{2}+b^2=c^2\\9^2+12^2=c^2\\81+144=c^2\\225=c^2\\\sqrt{225} = 15

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Jennifer is 20 miles north of her house, and she is driving north on the highway at a rate of 55 miles per hour whats the slpoe
LenaWriter [7]

Answer:

The slope is 55.

Step-by-step explanation:

Slope determines the direction and the rate of increase or decrease between the two points on a surface or line.

In the question, it is given initially she is 20 miles north of her house

⇒ When x = 0 the y-coordinate is 20

So, the y-intercept is 20

Now, it is given that the rate of change is 55 miles per hour

Hence, the slope is same as 55 because it is the actual rate of change between the positions of Jennifer with time.

Hence, The slope is 55.

3 0
3 years ago
How many solutions does this system of equations have?
JulsSmile [24]

Answer:

C. exactly one

Step-by-step explanation:

Hope this is helpful! Happy Halloween!

3 0
3 years ago
Where does the $13876447 come from?
Lena [83]

Answer:

Trees

Step-by-step explanation:

trees are cut down. and made into money

3 0
3 years ago
What is the smallest power of 10that would exceed 999999999991
lozanna [386]
10^12 

I hope that helps.
8 0
3 years ago
PLEASE HELP EXPLAIN!!!!!
Nookie1986 [14]
I think( so correct me if i'm wrong).....Using the distance formula... D=Rate x Time, you alter it so that it equals time, since you want to find the number of weeks.
Time = Distance/ rate
SInce you start off at 2 and end up with 5, the total distance is 3 (I subtracted 5-2). And rate is already 12% (this is the iffy part, I'm not sure if you change the 12%  in anyway.... but lets move on)

SO Time= 3miles/ 12% which is 1/4 of a week, or possibly.....

Time = 3 miles/ 0.12 which would equal 25 weeks.....
Do they give you these answers?
4 0
3 years ago
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