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mixer [17]
3 years ago
15

t="4x^{2} + 11x - 20 = 0" align="absmiddle" class="latex-formula">
solve using the quadratic formula​

Mathematics
1 answer:
STALIN [3.7K]3 years ago
6 0
Answer using quadratic formulae=5/4 and -4

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Mark brainliest please


Hope this helps you
3 0
3 years ago
Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. (5 points)
lara31 [8.8K]
F(x)=(x-8)/(x+7). g(x)=(-7x-8)/(x-1). Plug in g(x) into f(x), f(g(x))=[(-7x-8)/(x-1)-8]/[-7x-8)/(x-1)+7], which can be simplified as (-7x-8-8x+8)/(-7x-8+7x-7)=-15x/-15=x. Plug in f(x) into g(x), g(f(x))=[-7*(x-8)/(x+7)-8]/[(x-8)/(x+7)-1]=(-7x+56-8x-56)/(x-8-x-7)=-15x/-15=x, as desired.
5 0
3 years ago
Plz help me I will mark brainlest for correct answer with explanation​
azamat

Answer: B.

Step-by-step explanation: For the number of boxes, the star is at one. For the total pounds, the star is at 1/2 because it is between 0 and 1.

I hope that helps!

5 0
4 years ago
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Translate the sentence into an equation using n to represent the unknown number. Then solve the equation for n.
Kitty [74]

Answer: a.

Step-by-step explanation:

46 is subtracted by n to get -21 so the equation is 46 - n = -21

Add n on both sides; 46 - n + n = -21 + n; 46 = -21 + n

Add 21 on both sides; 46 + 21 = -21 + n + 21; 67 = n

So n = 67

4 0
2 years ago
VERY SMALL PROJECT PLEASE HELP!!! (50 POINTS + BRAINLIEST to first helping answer)
madam [21]

Answer:

So you would need to add a frog drawing.

Step-by-step explanation:

I think this because it would suit better and look better.

4 0
3 years ago
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