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Lana71 [14]
3 years ago
12

Reggie read a 400-page book in 5 days. On the first day, he read 120 pages.

Mathematics
1 answer:
Zepler [3.9K]3 years ago
8 0

Answer:

Step-by-step explanation:

Let p represent the number of pages that she read on each day after the first day.

Reggie read a 400-page book in 5 days. On the first day, he read 120 pages. The means that the remaining number of pages would be 400 - 120 = 280

The number of days remaining would be 5 - 1 = 4

Since she read the same number of pages on each day after the first day, then

4p = 280

p = 280/4 = 70 pages

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50 POINTS EACH
Andrews [41]

Since s and t are complimentary, that means ∠s + ∠t = 90

From the picture, we also know that ∠t + ∠LGM = 90

Set them equal to each other:

∠s + ∠t = ∠t + ∠LGM, solve:

∠s = ∠LGM

Now using the fact that tangent = opposite/adjacent:

tan (∠s) = \frac{y}{h}

tan (∠s) = \frac{h}{x}

Set them equal to each other to get:

\frac{y}{h} = \frac{h}{x}

Solve:

h^{2}= xy\\h = \sqrt{xy}

Part B:

Using tan (∠s) = \frac{y}{h}

We get: h = \frac{3}{tan38} = 3.84 meters

Hope that helps!

3 0
2 years ago
I HAVE A MATH TEST PLZ HELP I'M GIVING OUT 50 POINTS PLZ<br><br> S.O.S I HAVE MATH
Nady [450]

Answer:

<em>Graph included as picture</em>

Step-by-step explanation:

To solve this, plot the given points on the graph

Draw a line through them.

Now select two of those values and we'll find the rate of change.

We'll be using (1,-1) and (3,3)

To find rate of change we will be using the formula: \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

y_{2} = 3\\y_{1} =-1\\x_{2} = 3\\x_{1} = 1

\frac{3-(-1)}{3-1} = \frac{4}{2} = 2

So the rate of change is 2

You will use this rate of change for your other function because they both have the same rate of change

Since we have the rate of change, we can create the slope intercept form formula: y = mx +b

Just substitute for the variables we know

m = rate of change/slope = 2

b = y-intercept = -3

y = 2x + -3

<em>[If you connected all the points in your graph, that's how you found the y-intercept]</em>

Now we have to create the formula for the second function.

We know it will have that same slope of 2

so we have y = 2x + b

To solve for b we can plug in the values we do have which would be (x,y) of (3,6)

6 = 2(3) + b

Now solve

6 = 6 + b

6 (-6) = 6 (-6) + b

0 = b

b = 0

This mean that the y-intercept will be on (0,0)

Plot that point

Now we finish the formula

y = 2x + 0

Connect the dots, make sure the line continues on both of them past the dots and now you have your graph!

I've included a picture of the graph for your reference. I hope this helps, don't be afraid to reach out with further questions!

4 0
2 years ago
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Eddi Din [679]
The answer to this question is C
5 0
3 years ago
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OverLord2011 [107]

Answer:

bus stop division really hard to show on here.

13/5

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13/5.000 carry the 5 over to the zero

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the answer is 0.38461538

3 0
3 years ago
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Shtirlitz [24]

Answer:

no because .23 is not a whole number is the best choice

Step-by-step explanation:

6 0
3 years ago
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