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stich3 [128]
3 years ago
10

PLEASE HELP MEEEEEE :(((

Mathematics
1 answer:
attashe74 [19]3 years ago
5 0

Answer:

tbh i would say 1/8 in exact form

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Hiro painted his room at a rate of 8 square meters per hour. After 3 hours of painting, he had 28 square meters left to paint. L
lesya692 [45]

Answer: A(t)=-8t+52

Step-by-step explanation:

<h3> The missing question is: "What is the Functions formula A(t)=?"</h3><h2 />

The  equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope and "b" is the y-intercept.

According to the data given in the exercise, you know that:

- A(t) represents the area to paint the Hiros' romm as a function of time.

- The rate he painted the room was 8 square meters per hour.

- The area left to paint after 3 hours was 28 m².

Therefore, based on this, you can idenfity that:

1. The slope of the line is:

m=-8

2. One of the point on the line is:

(3,28)

So you must substitute the slope and the coordinates of that point into y=mx+b and then solve for "b" in order to find its value:

28=-8(3)+b\\\\28+24=b\\\\b=52

Therefore, you can determine that the function A(t) is:

A(t)=-8t+52

4 0
3 years ago
Help asap pls i’ll give brainlist!
MrRa [10]

Step-by-step explanation:

50

3 0
3 years ago
Can you anyone please help me?<br>​
emmasim [6.3K]

Answer:

Well do you know the butterfly method

you multiply 2 by x+1 and 4 by x + 2

Step-by-step explanation:

2(x+1) + 4(x+2) = 3(x-3) -2(x - 1)

2x + 2 + 4x + 8 = 3x - 9 - 2x + 2

2x + 4x +8 = 3x - 2x -9 +2

6x + 8 = x -7

6x - x = -7 -8

5x = -15

x = -15/5

x = -3

5 0
3 years ago
Read 2 more answers
10(c–1)=80 i need help
Pachacha [2.7K]

Answer:

C =9

Step-by-step explanation:

10(c−1)=80

Step 1: Simplify both sides of the equation.

10(c−1)=80

(10)(c)+(10)(−1)=80(Distribute)

10c+−10=80

10c−10=80

Step 2: Add 10 to both sides.

10c−10+10=80+10

10c=90

Step 3: Divide both sides by 10.

10c

10

=

90

10

c=9

8 0
3 years ago
Derive the equation of the parabola with a focus at (0, 1) and a directrix of y = −1.
vredina [299]
...............The answer is B



5 0
3 years ago
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