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sladkih [1.3K]
2 years ago
15

Need help with these two math problems

Mathematics
1 answer:
Gnom [1K]2 years ago
8 0

Answer:

y = (x - 1)(x - 3)

y = (x + 2)^2

Step-by-step explanation:

3)

Has roots at x = {1, 3}

y = (x - 1)(x - 3)

4)

Has double root at x = -2

y = (x + 2)^2

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Which of the following statements must be true about this diagram? Check
SSSSS [86.1K]

Answer:

f

Step-by-step explanation:

I'm pretty sure it's f from what I know

4 0
3 years ago
June went swimming 6 days this week. she swam for 288 minutes in all. if june swam the same number of minutes on each of 6 days,
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If June went swimming for the same number of minutes for 6 days, June swam 48 minutes every day for 6 days. Given the equation: 288 (total number of minutes June swam) ÷ 6 (number of days) = 48 minutes each day.

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3 years ago
Please help, thank you
madam [21]

Answer:

\displaystyle x=\frac{-8\pm\sqrt{(8)^2-4(4)(-221)}}{2(4)}\ \text{; x = 6.5 and x = -8.5}

Step-by-step explanation:

Subtract the right side of the given equation to put it into standard form:

  4x² +8x -221 = 0

Then the coefficients used in the quadratic formula are ...

  • a = 4
  • b = 8
  • c = -221

When these are filled into the form ...

\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

the result is as shown above.

7 0
3 years ago
I need help with this problem!
DanielleElmas [232]

Answer:

The answer to your question is:

Step-by-step explanation:

Data

B = 70°

c = 14

Process

                sin Ф = b / c

                b = c sinФ

                b = 14 sin 70

                b = 14 x 0.94

                b = 13.16

               cos Ф = a/c

               a = c x cos Ф

               a = 14 cos 70

               a = 14 x 0.34

               a = 4.76

 C = 90° it is a right angle

A = 180 - 90 - 70

A = 180 - 160

A = 20°

3 0
3 years ago
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