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Marat540 [252]
3 years ago
7

The owner of an office building is expanding the length and width of a parking lot by the same amount. The lot currently

Mathematics
1 answer:
nadezda [96]3 years ago
3 0

Answer:

The length of the parking lot should be increased by 20 feet.

Step-by-step explanation:

First, you find the product of 120 and 80, you get 9600.

Next, add 4400 to it. You get 1400

Finally what would you add to both 120 and 80 to get 14000? 20 to get 140*100.

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What equation represents the linear function shown in the graph? Enter your answer in the box. Write your answer in the form y =
julia-pushkina [17]
You can take the first point as the origin O(0,0) and the second one (-2,0.5) for easier calculations.
Find the slope, m = (y2 - y1)/(x2 - x1)
= -2-0 / -0.5-0 = 2/0.5 = 4

now take (x,y) = (0,0) and m= 4
use the point slope form
(y - y1) = m(x - x1)
(y - 0) = (4)(x - 0) ......taking (x1,y1) = (0,0)
y = 4x + 0 ...... in the form of y = mx + b
I hope I was helpful:)

4 0
3 years ago
Read 2 more answers
F(x) = 2(2)2 – 3(2) + 7
bija089 [108]

Answer:

9

Step-by-step explanation:

f(x) = 2(2)² - 3(2) + 7

f(x) = 8 - 6 + 7

f(x) = 2 + 7

f(x) = 9

4 0
3 years ago
What is |18x + 9| + 1 > 64 put into an interval notation and on a graph?
Gnoma [55]

\bf |18x+9| + 1 > 64\implies \pm(18x+9)+1>64 \\\\[-0.35em] ~\dotfill\\\\ +(18x+9)+1>64\implies 18x+10>64\implies 18x > 54 \\\\\\ x >\cfrac{54}{18}\implies \boxed{x > 3} \\\\[-0.35em] ~\dotfill\\\\ -(18x+9)+1>64\implies -18x-9+1>64\implies -18x-8>64 \\\\\\ -8>64+18x\implies -72 > 18x\implies \cfrac{-72}{18}=x\implies \boxed{-4>x}

Check the picture below.

4 0
3 years ago
Is 3x a variable or constant
Komok [63]

Answer:

A variable.

Step-by-step explanation:

In 3x, 3 is constant and x is a variable but together, 3x is a variable.

6 0
3 years ago
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Devon draws one marble from a bag containing 5 red, 3 green, and 4 yellow marbles. What is the probability that Devon draws a gr
goblinko [34]

Answer:

3/12 or 1/4 after simplifying

Step-by-step explanation:

3 chances of getting green because there are 3 green and there is a total of 12 marbles so 3 out of 12, which is equal to one fourth.

5 0
3 years ago
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