Answer:
your answer is 2 hope help you
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➷ We can form an equation:
x^2 + x = 90
Subtract 90 from both sides:
x^2 + x - 90 = 0
Now factorize:
(x + 10)(x - 9) = 0
Thus, x = 9 or x = -10
Either of these answers would work, but stick with 9 as your answer.
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The equation is y=2x+5
why?
2x-y=5
y=2x-5
from here we can find the slope, which is 2, and we know that parallel lines have equal slopes
the standard form of eq of line is y=mx+b
substitute y and x with the numbers from ordinate pair (3,11):
11=3*2+b
6+b=11
b=5
Now you can write the eq of line:
y=2x+5
The rule is substract 9
so the answer is b. -44
We should first find where the graph doesn't exist, which would be where the denominator is equal to 0 or the formula under the radical is negative. So we can write the equation x-3≤0 to find where the graph can't exist
x-3≤0
x≤3
So this means that no x values less than or equal to 3 can exist on this graph. So the only choice that isn't less than or equal to 3 is choice 2 (7)
Hope this helps
