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Scorpion4ik [409]
3 years ago
10

Which expressions are equivalent to -90 - 60w? Choose three. *Hint: On each answer choice below, use the distributive property t

o decide which ones match -90-60w. Also remember that -60w-90 is equivalent to -90-60w a) -30(3 + 2w) b) (-9 − 6w) x 10 c) -3(30 - 20w) d) (6 + 4w) × 15 e) −20(4.5 + 3w)
Mathematics
1 answer:
marusya05 [52]3 years ago
5 0

Answer:

a), b), e)

Step-by-step explanation:

<em>a) -30(3 + 2w) = -90 - 60w</em>

<em>b) (-9 − 6w) x 10 = -90 - 60w</em>

c) -3(30 - 20w) = -90 + 60w

d) (6 + 4w) × 15 = 90 + 60w

<em>e) −20(4.5 + 3w) = -90 - 60w</em>

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timama [110]

Answer:

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Step-by-step explanation:

7 0
3 years ago
Write an equation of a line perpendicular to<br> y = 2/7x - 5 through (2, -3)
AfilCa [17]

Hi there! :)

Answer:

\huge\boxed{y = -7/2x + 4}

Given equation:

y = 2/7x - 5

A perpendicular line will have a slope that is the opposite reciprocal, therefore:

2/7 --> -7/2

Substitute the x and y coordinates of the point given to write an equation in slope-intercept form:

(-3) = -7/2(2) + b

Simplify:

-3 = -7 + b

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Rewrite the equation:

y = -7/2x + 4

5 0
4 years ago
I need help on this please! This is Geometry :) ​
MAVERICK [17]

Answer:   a is 4

j is 3

g is 1

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Any1 can help me wif this explain every step of this
Marianna [84]

4a-[7-2(a+6)+5a]

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4a-[-5+3a] :you combine like terms(the 7&(-12) and the 2a&5a

4a+5-3a :you distribute the (-) to make +5 and -3a

a+5

7 0
4 years ago
I need help to simplify this question!
gulaghasi [49]

Answer:

  60

Step-by-step explanation:

Carry out the indicated operations:

  8² -√16 = 8·8 -√(4·4) = 64 -4 = 60

___

For arithmetic expressions like this one, a calculator can help.

7 0
4 years ago
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