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Sever21 [200]
3 years ago
15

Pleases show workkkkkkkkkkkkkkkk

Mathematics
1 answer:
melomori [17]3 years ago
7 0

Answer:

5) 2(4 - n) = -3n

2 × 4 - 2 × n = -3n

8 - 2n = -3n

-2n + 3n = -8

1n = -8

n = -8/1

n = -8

6) 5 - 3(2 + 2w) = -7

5 - 3 × 2 + -3 × 2w = -7

5 - 6 - 6w = -7

-1 - 6w = -7

-6w = -7 + 1

-6w = -6

w = -6/-6

w = 1

7) 5(2r + 3) - 5 = 0

5 × 2r + 5 × 3 - 5 = 0

10r + 15 - 5 = 0

10r + 10 = 0

10r = -10

r = -10/10

r = -1

8) 3 - 5(2d - 3) = 4

3 - 5 × 2d - 5 × -3 = 4

3 - 10d + 15 = 4

-10d + 15 + 3 = 4

-10d + 18 = 4

-10d = 4 - 18

-10d = -14

d = -14/-10

d = 7/5

hope this helps you!!

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dezoksy [38]

Answer:

B

Step-by-step explanation:

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4 0
3 years ago
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Which expression gives the distance between the points
Alla [95]

Answer:

C

Step-by-step explanation:

The formula for finding the distance between 2 points (x1, y1) and (x2, y2) is

d = √[(x2 - x1)² + (y2 - y1)²]

Here (x2, y2) = (2, 3)  and (x1, y1) = (4, -3)

Plugging them gives us

d = √[(2 - 4)² + (3 - (-3))²]

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8 0
3 years ago
parking garage has 5 floors. If 117 cars can be parked on each floor, how many total cars can park in the garage? Drag numbers t
mr Goodwill [35]

Answer:

585 cars

Step-by-step explanation:

Given

Floors = 5

Cars = 117 per floor

Required

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This is calculated by multiplying number of cars per floor by number of floors.

Total = Floors*Cars

Total = 5  * 117

Total = 585

<em>Hence, there are 585 cars in total</em>

6 0
3 years ago
What is the measure of angle D?<br> A. 75°<br> B. 80°<br> C. 95°<br> D. 110°
lana66690 [7]

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110%

Explanation:

<em />

8 0
3 years ago
WILL GIVE BRAINLIEST FOR CORRECT ANSWER !
lesya692 [45]

Answer:

neither

Step-by-step explanation:

The second and 3rd one can be modeled by by y = 100/x but the first one and the fourth one do not follow that, so the answer is neither. The first and fourth are y = 80/x

Put the values in and you will see the equations for yourself.

One

y = 80/2

y = 40

The 80 came from looking at this as an indirect variation. y = k/x

y = 40

x = 2

y = k/x

40 = k/2  Multiply both sides by 2

40 * 2 = k

k = 80

Two

y = k/x

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k = 20 * 5

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8 0
3 years ago
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