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Arturiano [62]
3 years ago
9

*Urgent* im not sure look at the picture

Mathematics
2 answers:
andreev551 [17]3 years ago
8 0
It’s would be letter B 43.4 miles
Dmitrij [34]3 years ago
3 0

Answer:

43.4 mph

Step-by-step explanation:

super simple, you can disregard all the speed stuff, since they are both hours, it is useless information. all you have to do is convert distances, so multiply 70 by .62 to get 43.4milers per hour.

if you have any questions, leave them in the comments, i will try to answer them, pls give brainliest if this helps.

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Please Help!!! Evaluate the following <br><br> 2/((3-(3-1))*3-1)
antiseptic1488 [7]
2/ 3 - (3 - 1) * 3 - 1 = -4
Simplify
= 2/-4
which is
= -2/4 
Then simplify again
= -1/2
6 0
3 years ago
Given f(x) = 8x + 25, find x when f(x) = 9.
elixir [45]

Answer:

-2?

Step-by-step explanation:

7 0
3 years ago
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Katyanochek1 [597]

Answer:

H

Step-by-step explanation:

7 0
3 years ago
2x(x - 3) + 7(x - 3)<br> Can I have an explanation on how it works factors
Nimfa-mama [501]

Answer:

Step-by-step explanation:

2x(x - 3) + 7(x - 3)

2x^2 - 6x + 7x - 21

reduce

2x^2 + x - 21

if this is equal to 0 then:

2x^2 + x - 21 = 0

factored:

(2x + 7)(x - 3) = 0

How that was done:

Divide the (2x^2) into (2x) and (x).

Divide the (-21) into (+7) and (-3). You choose these numbers so that their sum, when multiplied by (2x) and (-3), adds up to (+x).  

8 0
3 years ago
Need help ASAP
diamong [38]

Answer:

b. {-9, 3}.

Step-by-step explanation:

x^2 + 6x - 27 = 0

We need 2 numbers whose product is -27 and whose sum is + 6.

These are + 9 and - 3. So the factors are:

(x - 3)(x + 9) = 0

(x - 3) = 0 or (x + 9) = 0

x = 3 or -9.

7 0
3 years ago
Read 2 more answers
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