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kenny6666 [7]
3 years ago
8

Joe reads 30 chapters of a book in 6 hours What is his rate in chapters per hour

Mathematics
2 answers:
Murrr4er [49]3 years ago
8 0

Answer:5

Step-by-step explanation:

30 chapters in 6 hours. 30/6 =5

Naddik [55]3 years ago
3 0
5 chapters per hour

Divide 30 by 6 and it gives you 5
If you want to check ur answer, plug in ur answer which in this case it’s 5 and multiply it by 6, it gives you 30 chapters in 6 hours.
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What is the slope of the line for the equation y = –2(x - 10) + 8?
PSYCHO15rus [73]
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3 years ago
Which is the rate of change for the interval between three and six on the XX is -3 -2 2 3
weqwewe [10]

Check the picture below.

bearing in mind that the slope goes by different names

average rate of change

rise over run

rate of change

but is basically the same cat in disguise with different costumes.

\bf (\stackrel{x_1}{3}~,~\stackrel{y_1}{-2})\qquad (\stackrel{x_2}{6}~,~\stackrel{y_2}{4}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{4}-\stackrel{y1}{(-2)}}}{\underset{run} {\underset{x_2}{6}-\underset{x_1}{3}}}\implies \cfrac{4+2}{3}\implies \cfrac{6}{3}\implies 2

7 0
3 years ago
X2 + 8x + 19 = 0 What is the equivilent that results from completing the square?
IrinaVladis [17]

Answer:

(x+4)^2+3=0

Step-by-step explanation:

Hey there!

Standard form is what this equation is in

Standard form is this: ax^2+bx+c

So order to complete the square, you need to take the b term out of the equation, divide it by two, and then square it

In this case, the b term is 8

We need to divide 8 by 2 ---> 4

Then square 4 ---> 16

So now you should add 16 to both sides

x^2+8x+16+19=16

Now you can simplify the LHS

(x+4)^2 +19=16

Now you subtract 16 from both sides

(x+4)^2+3=0

So this is as far as you can go since you cannot take the square root of a negative number

5 0
2 years ago
F(x) = -x - 14<br> Find x if f(x) = -2
irina [24]

Answer:

x = -12

Step-by-step explanation:

First, you want to plug in f(x)'s value into the equation.

-2 = -x-14

Then solve for x:

x=-14+2

x=-12

5 0
2 years ago
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