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balandron [24]
2 years ago
7

-3(6 - 3k)I need to Simplify the expression​

Mathematics
2 answers:
sergij07 [2.7K]2 years ago
8 0

Answer:

-18+9k

Step-by-step explanation:

If you use the distributive property, you get:

(-3*6) and (-3*-3k)

If you simplify each of them you get:

-18+9k

Ann [662]2 years ago
8 0

Answer:

-18+9k

Step-by-step explanation:

Multiply -3 by 6 and -3 by -3k

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Find ​(a) the slope of the curve at the given point​ p, and ​(b) an equation of the tangent line at p. y=−2−9x2​; ​p(2​,−38​)
Neporo4naja [7]

Answer:

a) -36

b) y = -36x +34

Step-by-step explanation:

a) The slope is found using the derivative of the function.

  f'(x) = dy/dx = 0 -9(2x) = -18x

Then at x=2, the slope is ...

  f'(2) = -18·2 = -36

___

b) The point-slope form of the equation can be written as ...

  y = -36(x -2) -38

Simplifying to slope-intercept form, we get ...

  y = -36x +34

6 0
3 years ago
Which equation can be used to solve the problem?<br><br> 495 is 55 percent of what number?
fredd [130]

Answer:

55/100 * x = 495

Step-by-step explanation:

The unknown number is x.

55% of x = 495

55/100 * x = 495

3 0
2 years ago
Read 2 more answers
Write in expanded form 72.864
Sergeeva-Olga [200]

Answer:

70 + 5 + 8/10 + 6/100 + 4/1000

Or

7*10 + 5*1 + 8*1/10 + 6*1/100 + 4*1/1000

5 0
3 years ago
IF XPOWER 3 =27,THEN X POWER 2=
kvv77 [185]

X²= 9

X POWER 3= 27

X³= 27

The number that can be multiplied three times to get 27 is 3

Therefore X POWER 2 (X²) can be calculated as follows

= 3²

= 3 × 3

= 9

Hence XPOWER 2 is 9

Read more here

brainly.com/question/27510248?referrer=searchResults

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8 0
1 year ago
The / key on the number keypad is used for _____. Addition subtraction multiplication division
Vaselesa [24]
/ symbol is used for division.

/ is same as ÷

Sometimes, fractions are shown as ratio, in which case, : symbol is used.

We can write the fraction \frac{1}{2} as 1/2 or 1÷2 or 1:2

\boxed{\frac{1}{2} \: = \: 1/2 \: = \: 1 \div 2 \: = \: 1 : 2 }\\
5 0
3 years ago
Read 2 more answers
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