2 years ago

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP!

Mathematics

2 answers:

ycow [4]2 years ago

8 0

Answer:

Im answering in a sec

First is 0

X 4 Y 0

second is 2

X 6 Y 2

Third is 4

X 8 Y 4

PLS mark brainiest if correct

Step-by-step explanation:

PtichkaEL [24]2 years ago

7 0

Uh, I’m not in my math mode quite yet but I’ll get back to you later this afternoon

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If elf =gjh ef=12 and Lf=7.8 find ij

gavmur [86]

Answer:

IJ= 4.98

Step-by-step explanation:

EF = 12

KF = 6

LF = 7.8

LK = sqrt(7.8^2-6^2) = 4.98

IJ = LK (4.98)

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2 years ago

The proceeds from a car wash are directly proportional to the number of cars washed. The total after 9 cars was $180. How much c

Westkost [7]

Answer:

$1200

Step-by-step explanation:

180 divided by 9 is 20, so they earned $20 per car washed. They want to wash 60 cars, and if they wash 60 cars they would earn $1200. (60 x 20)

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Read 2 more answers

Please help. I can not figure it out. I will mark brainliest.

zhuklara [117]

(0,30), (1,20)
(20-30)/(1-0) = -10/1 = -10 slope
We know y intercept is 30
Equation: y = -10x + 30

6 0

2 years ago

What is the average rate of change of f over the interval -7 < or equal to x Give an exact number

Annette [7]

Answer:

$\frac{4}{3}$

Step-by-step explanation:

The average rate of change can be found by using the following formula

$\frac{f(x_{2}) - f(x_{1}) }{x_{2} - x_{1}}$

Since the interval goes from -7 to 2, we should find the y-values that correspond to x=-7 and x=2.

By inspection of the graph, we can clearly see that when x is -7, y is -7 as well and when x is 2, y is 5.

Now that we know this, we can simply plug these values into the formula!

$\frac{f(2) - f(-7) }{2 - (-7)} = \frac{5 - (-7)}{2 - (-7)} = \frac{5 +7}{2+7} = \frac{12}{9} = \frac{4}{3}$

Good luck!

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2 years ago

On a coordinate plane, a piecewise function has 2 lines. The first line has a closed circle at (negative 2, negative 2) and then

telo118 [61]

Answer:

x=-6

x=-4

x=-2

x=4

Step-by-step explanation:

just did the test on e2020 and this was the answer!

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