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Alja [10]
3 years ago
6

Quadratic equations of the form _____ can be solved using square roots

Mathematics
1 answer:
icang [17]3 years ago
6 0

Answer:

Step-by-step explanation:

Quadratic equations of the form (x - h)^2 + k = 0 can be solved using square roots:  Take the square root of both sides, prefacing the right side with " ± "

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In this line of circles, the ratio of red circles to blue circles is 1:3 How many more circles would need to be added to make th
zaharov [31]

Answer:

The number of red circles to be added would be equal to 8 times the original amount of red circles

Step-by-step explanation:

Let

x ----> the number of red circles

y ----> the number of blue circles

Originally

\frac{x}{y}=\frac{1}{3}

y=3x ----> equation A

How many more circles would need to be added to make the ratio of red to blue 3:1

Let

n ----> the  number of additional red circles

\frac{x+n}{y}=\frac{3}{1} ----> equation B

substitute equation A in equation B

\frac{x+n}{3x}=\frac{3}{1}

solve for n

x+n=9x\\n=9x-x\\n=8x

therefore

The number of red circles to be added would be equal to 8 times the original amount of red circles

5 0
3 years ago
8 X 3 =<br><br> (2x ___) + (___ x3)
just olya [345]

Step-by-step explanation:

.......................................................... (2×3)+(6×3)

4 0
3 years ago
Read 2 more answers
Can someone please help me on this
choli [55]

Answer:

if you flipped one of the figures you will see that they are both the same shape and the same distance from the x and y axes.

3 0
3 years ago
Earths diameter is 7917.5 and the moons diameter is 2157.4. How far is the sun
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It is 93 million miles away from earth. hope that helped
4 0
3 years ago
Select the two binomials that are factors of 64x^2 – 36.
lara [203]
64x² - 36 factors to be (8x + 6)(8x - 6)

Option C is your answer. 

HOWEVER, I cannot tell what the operation is supposed to be performed because of the way it is showing up above (see attached pic). So I can also just simplify it.

64x² - 36 becomes 4(16x² - 9) or 4(4x - 3)(4x + 3)

64x² + 36 becomes 4(16x² + 9)

7 0
3 years ago
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