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Damm [24]
3 years ago
9

NEED HELP ASAP PLS HELP GIVING BRAINLIST!!!!!!!!!!

Mathematics
1 answer:
Naily [24]3 years ago
8 0

Hello there!

Reminder: Your question will be removed if you have more than 3 questions in the post.

1:

3 ( -3 + 7x ) ≤ - 93

-9  + 21x ≤ 93

93 + 9 = 102

102/21 = 4.857

4.857 --> 4.86

4.86  ≤  x

2:

-6 ( 1 + 8x ) ≥ 138

-6 - 48x ≥ 138

138 + 6 = 144

144/-48 = -3

x ≥ -3

3:

7 ( 6x -4 ) ≥ 6x - 28

42x - 28 ≥ 6x - 28

36x - 28 ≥ -28

-28 + 28 = 0

36x ≥ 0

4:

86 ≤ -4 ( 1-5x) -2x

86 ≤ -4 + 20x - 2x

86 ≤ -4 + 18x

90 ≤ 18x

90/18 = 5

x ≤ 5

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Genesis would like to join a Book Club. She needs to pay $12.00 for entrance into the book
77julia77 [94]

Answer:

An equation in function notation for the total cost of the book  club will be:

  • y = 20x + 12

Step-by-step explanation:

Given that Genesis needs to pay $12.00 for entrance into the book club.

Per month fee = $20.00

We know that the slope-intercept form of a linear function is

y = mx+b

where m is the slope and b is the y-intercept

As the rate of change is also called the slope.

The rate of $20.00 per month would be termed as the slope = m = 20

One time fee = $12.00, meaning the y-intercept = b = 12

Thus, the equation becomes

y = mx+b

  • y represents the total cost
  • x represents the duration
  • m represents the rate of change = m = 20
  • b represents the y-intercept = b = 12

y = 20x + 12

Therefore, an equation in function notation for the total cost of the book  club will be:

  • y = 20x + 12
5 0
2 years ago
Find the area of a circle with a diameter of 4.
Oliga [24]

area of circle =22/7×4=12.56

6 0
3 years ago
Read 2 more answers
Whats the middle number in between 12 and 17
sattari [20]

Answer:

The middle number would be (14+15)/2 = 14.5

How I found that is I did (14+15)/2.  

pls mark as branliest

3 0
3 years ago
Solve the inequality 2(4x-3)>-3(3)+5x
Sholpan [36]

Answer:

x > -1\\

Step by step explanation:

~~~~~2(4x-3) > -3(3)+5x\\\\\implies 8x-6 > -9+5x\\\\\implies 8x > -9+6+5x\\\\\implies 8x > -3+5x\\\\\implies 8x -5x > -3\\\\\implies 3x > -3\\\\\implies x > -\dfrac 33\\\\\implies x > -1

5 0
2 years ago
Lucy drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took hours. When Lucy drove hom
Anastasy [175]

Answer:

The question is incomplete, the complete complete question will be:

Lucy drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 9 hours. When Lucy drove home, there was no traffic and the trip only took 4 hours. If her average rate was 40 miles per hour faster on the trip home, how far away does Lucy live from the mountains?

Lucy live at a distance of 288 miles from the mountains.

Step-by-step explanation:

DATA:

To the mts DATA:

Time = 9 hrs

Rate = r mph

Distance = 9r miles

From the mts DATA:

time = 4 hrs  

rate = r+40 mph  

distance = 4(r+40) miles

SOLUTION

Distance to = Distance from

9r = 4r + 160

5r = 160

r = 32 mph

RESULT:

Distance = 9r = 9*32 = 288 miles

8 0
3 years ago
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