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Thepotemich [5.8K]
3 years ago
9

Darcy read 1 and 1⁄2 chapters in her textbook in 1⁄2 an hour. How many chapters did she read per hour?

Mathematics
1 answer:
Marina86 [1]3 years ago
8 0

Answer:

She read her textbook at a speed of 3 chapters per hour.

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Round to the nearest whole number.<br> 432.846
Gelneren [198K]

Answer: 433 of course

432 is the whole number and 846 is the decimal,

the number closest to the whole number is 8

we can only round the number forward if the number is 5 or more than 5 (6,7,8,9)

so 432.856 rounds to 433

3 0
3 years ago
Read 2 more answers
What is the domain of the function represented by the graph?
ioda

Answer:

c

Step-by-step explanation:

because mathematically 0 less than or equal to x less than or equal to 4 means starting from 0 up to 4 is the domain of the graph

but if we were asked about the range it was going to be all real number (B) because if the range means the value of y then y have solution in all the way down

please mark me brainliest

thanks for asking

8 0
2 years ago
Which value, when placed in the box, would result in a system of equations with infinitly many solutions? Y=2x - 5 2y-4x=
Nezavi [6.7K]

Given:

The system of equations is

y=2x-5

2y-4x=?

To find:

The missing value for which the given system of equations have infinitely many solutions.

Solution:

Let the missing value be k.

We have,

y=2x-5

2y-4x=k

Taking all the terms on the left side, the given equations can be rewritten as

-2x+y+5=0

-4x+2y-k=0

The system of equations a_1x+b_1y+c_1=0 and a_2x+b_2y+c_2=0 have infinitely many solutions if

\dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}

We have,

a_1=-2,b_1=1,c_1=5

a_2=-4,b_2=2,c_2=-k

Now,

\dfrac{-2}{-4}=\dfrac{1}{2}=\dfrac{5}{-k}

\dfrac{1}{2}=\dfrac{1}{2}=\dfrac{5}{-k}

\dfrac{1}{2}=\dfrac{5}{-k}

On cross multiplication, we get

-k=10

k=-10

Therefore, the missing value is -10.

6 0
3 years ago
Which of the following is the most appropriate unit to describe the rate at which a person reads?
alukav5142 [94]
<span>C; words per minute, because the independent quantity is the minutes.

hope this helps!
</span>
6 0
3 years ago
PLEASE HELP
iris [78.8K]

Answer:

1) 32

2) x=9

4) 36

Step-by-step explanation:

6 0
3 years ago
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