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Alexxx [7]
2 years ago
12

I need help to answer this question

Mathematics
2 answers:
Sonja [21]2 years ago
6 0

Answer:

the first one

Step-by-step explanation: because greater than or euqal is a filled circle because its equal and greater than goes more than the number

Kamila [148]2 years ago
5 0
The very first one in this the first number line
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The graph shows the charges of an instructor. The instructor charges an initial fee and then an hourly rate of $8.00 an hour for
Tasya [4]

Answer:

The instructor’s initial charge is $20

see the attached figure

Step-by-step explanation:

Let

x ----> the time in hours

y ----> the total cost in dollars

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope or the unit rate of the linear equation

b is the y-intercept or initial value (in this problem is the instructor’s initial charge)

we have

The slope is equal to the  hourly rate

so

m=\$8.00\ per\ hour

substitute

y=8.00x+b

To find out the y-intercept join the given points in the graph and find out the value of y when the value of x is equal to zero

see the attached figure

The y-intercept is the point (0,20)

therefore

The instructor’s initial charge is $20

<u><em>Verify</em></u>

take any point on the graph

(5,60)

For x=5, y=60

substitute in the linear equation and solve for b

60=8.00(5)+b

60=40+b

b=\$20 ----> is ok

therefore

The instructor’s initial charge is $20

4 0
3 years ago
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If sydney answer 15 questions in the first section correctly what is the minimum number of questions she must have answered corr
Mandarinka [93]

Answer:

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Step-by-step explanation:

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there are 74 children at a camp . there are 38 girls. the rest are boys. how many boys are at the camp
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At camp there are 36 boys
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The school has arranged to have the gym walls plastered. It takes 200 pounds of lime to make one batch of plaster. Each batch of
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Answer:

D or 3800

Step-by-step explanation:

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Please mark me brainlest

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In how many ways can 5 students sit around a table?
Elodia [21]

Answer:

24 different ways

Step-by-step explanation:

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