3 years ago

Which expressions are equivalent to 15 ?

Mathematics

1 answer:

sergey [27]3 years ago

7 0

Answer:

I think is number A

What do you Think?

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Which of the following is a solution of x2 + 5x = −2? (2 points) 5 plus or minus the square root of 33 divided by two. 5 plus or

Delicious77 [7]

The easiest way it to solve it.
${x}^{2} + 5x + 2 = 0$
You have
$\rho = 25 - 4 \times 1 \times 2 = 17$
Thus
$x = \frac{ - 5 \pm \sqrt{17} }{2}$

5 0

3 years ago

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SOMEONE PLEASE HELP ITS WORTH 90 POINTS

motikmotik

Answer:

Step-by-step explanation:

The two x angles on the right are supplementary which means they add up to 180 degrees

5x + 12 + 7x - 24 = 180

12x - 12 = 180

12x = 192

x = 192/12

x = 18

5x + 12 and y are corresponding angles and are therefore equal

5(18) + 12 = 90 + 12 = 102

Therefore y = 102

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3 years ago

Simplify the following expression. 9 1/2 r 5/2 t __________ rt 1/2

rosijanka [135]

Answer:

12r/t

Step-by-step explanation:

4 0

3 years ago

30 points + brainliest answer. Answer D got cut off, it is 5/18.

Basile [38]

C. 5/6

30 people with soda + 45 people with lemonade = 75/90 people

simplifies to 5/6.

3 0

4 years ago

Do you like my drawing

rosijanka [135]

Answer:

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Step-by-step explanation:

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3 years ago

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