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svetoff [14.1K]
4 years ago
9

ASAP!! Please help me. I will not accept nonsense answers, but will mark as BRAINLIEST if you answer is correctly with solutions

.

Mathematics
1 answer:
mart [117]4 years ago
5 0

Answer:

A.

Step-by-step explanation:

The equation is ax^2 + bx + c = 0.

a = -1, and b = 1.

-1x^2 + 1x + c = 0

-x^2 + x + c = 0

Hope this helps!

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Musya8 [376]

Answer:

67.17

Step-by-step explanation:

First, identify the hundreds digit (the 7)

Next, identify the next smallest place value (the 1)

Then, determine if 7 greater than or equal to 1. Yes, it is greater than 1, so round up. Increase the hundreds digit by one, so 7 becomes 8.

Finally, keep .17 and you get an answer of 67.17.

7 0
3 years ago
Read 2 more answers
I need help asap please ​
Nikitich [7]

9514 1404 393

Answer:

  sin(M) = √7/4

  cos(M) = 3/4

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Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relationships of interest.

  Sin = Opposite/Hypotenuse

  sin(M) = (2√7)/8 = √7/4

  Cos = Adjacent/Hypotenuse

  cos(M) = 6/8 = 3/4

  Tan = Opposite/Adjacent

  tan(M) = (2√7)/6 = √7/3

6 0
4 years ago
Erica and tim each use their cell phones to send texts and make phone calls. Erica sent 18 texts and made 6 calls today. Tim sen
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Answer:

Erica has 6 more text then Tim and 2 more calls then Tim.

Step-by-step explanation:

What i did was 18-12 because those are both text and that was 6 so Erica has 6 more

Then i did 6-4 =2 and those where both of the calls so Erica has 2 more calls then Tim.

3 0
3 years ago
How many ways can a president, vice president, and secretary be selected from a class of 30 students? a. 90 b. 2,068 c. 4,060 d.
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the answer to your question should be 2,068

Step-by-step explanation:

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Step-by-step explanation:

..................

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3 years ago
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