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nignag [31]
3 years ago
15

IM NEW AND NEED HELP PLS

Mathematics
1 answer:
LenKa [72]3 years ago
3 0

Answer:

its the first one

Step-by-step explanation:

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Is algebra.
alexgriva [62]

Answer:

x = -11/7

x = 11/7

Step-by-step explanation:

49x² - 121

Factor

(7x + 11)(7x - 11)

roots

x = -11/7

x = 11/7

8 0
3 years ago
Read 2 more answers
224 is what % of 640?
lakkis [162]
There is a percent formula for all of these types of percent problems.

It is : is/of = %/100

224 is what % of 640
is = 224
of = 640
% = x
now just sub
224/640 = x/100
cross multiply because this is a proportion
(640)(x) = (224)(100)
640x = 22400
x = 22400/640
x = 35......so 224 is 35% of 640


5 0
3 years ago
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NEED RN, WORTH 30! ~ please and thank you! <3
rosijanka [135]
1/4x-4 so the second one
8 0
2 years ago
What are the domain and range of the function
atroni [7]

Answer:

Domain (-∞,∞)

Range (0, ∞)

Step-by-step explanation:

The domain of a function is always the set of all real numbers therefore the domain is going to be (-∞,∞). The range is (0, ∞) because 0 is one of the outputs for the function

3 0
3 years ago
The lines shown below are parallel.if the green line has a slope of -1/2, what is the slope of the red line?
Delvig [45]

The anwser is D

because it is very easy


4 0
3 years ago
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