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3 years ago

The difference of 28 and a number m is 3

Mathematics

1 answer:

jonny [76]3 years ago

8 0

Answer:

28 - m = 3

28 - 3 = m

25 = m

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ruslelena [56]

Answer:

D. tan(-π/6)

Step-by-step explanation:

The tangent function is periodic with a period of π, so ...

tan(5π/6) = tan(5π/6 ± kπ) . . . for any integer k

For k = -1, we have ...

tan(5π/6) = tan(5π/6 -π) = tan(-π/6)

7 0

3 years ago

Solve: 2x2-x = 21 {-7/2,3} {-3, 7/2}

Sergio039 [100]

Answer:

The answer is (-3,7/2)

Step-by-step explanation:

$2 {x}^{2} - x - 21 = 0 \\ (2x - 7)(x + 3) = 0 \\ 2x - 7 = 0 \: \: \: or \: \: x + 3 = 0 \\ x = \frac{7}{2} \: \: and \: x = - 3$

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4 0

3 years ago

Simplify each expression -(5p+3)

aniked [119]

Answer:

-5p-3

Step-by-step explanation:

use the distributive property

8 0

3 years ago

How do I solve 4^-3? ( four to the power of negative three)

Liono4ka [1.6K]

4^-3

You first need to make the exponent positive. To do this put it in a fraction.

1/4^3

Now solve the exponent.

4 * 4 * 4 =
^
16*4 = 64

1/64 is your answer

7 0

3 years ago

I'm not sure how to do this please help

IgorLugansk [536]

Answer:

maria will run 1.75 more miles than her goal

Step-by-step explanation:

If you multiply 2.75 to 7 days you will get 19.25. And if you subtract it by 17.5(because that's her goal) you will get 1.75.

So the answer to this question would be:

Maria will run 1.75 more mile than her goal.

7 0

3 years ago