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kotegsom [21]
2 years ago
9

Please help on this math question!!!

Mathematics
1 answer:
Andre45 [30]2 years ago
6 0
I think it’s gonna be 6 adults for every 42 students not really sure so sorry if I got it wrong
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A car completes a journey in 10 minutes. For the first half of the distance the speed was 60km/h and for the second half the spe
spin [16.1K]
100km long thats how long the journey was
4 0
3 years ago
When Raphael solved the system below by using the method of elimination, he changed the second equation to -8x-2y=-2 what proper
galben [10]
For this case, what we are going to do is use the following property:
 Multiply an equation by a scalar.
 In this case, the scalar will be:
 k = -2
 We have then that equation 2 will be:
 k * (4x + y) = k * 1
 -2 * (4x + y) = - 2 * 1
 -8x-2y = -2
 Answer:
 The property that justifies this manipulation is:
 Multiply an equation by a scalar.
4 0
3 years ago
Five different awards are to be given to three students. Each student will receive at least one award. In how many different way
AleksandrR [38]

Answer:

It is 150.

Step-by-step explanation:

This clarifies it https://artofproblemsolving.com/wiki/index.php/2020_AMC_8_Problems/Problem_23

5 0
3 years ago
Allison earns $14 an hour plus $20 an hour for every hour of overtime. Overtime hours are any hours more than 35 hours for the w
Ronch [10]

<u>Part a)</u> Create an equation that shows the amount of money earned, E, for working x hours in a week when there is no overtime

Let

E-------> the amount of money earned

x------> number of hours worked

we know that

For x\leq35

E=14x

therefore

<u>the answer part a) is</u>

E=14x

<u>Part b) </u>Create an equation that shows the amount of wages earned, T, for working y hours of overtime

Let

T-------> the amount of money earned

y------> number of hours of overtime

we know that

T=14*35+20y

T=\$490+20y

therefore

<u>the answer part b) is</u>

T=\$490+20y

<u>Part c)</u> Allison earned $610 in 1 week. How many hours (regular plus overtime) did she work?

we know that

35\ hours=\$490

\$610-\$490=\$120

Divide \$120 by  \$20----> to obtain the hours of overtime

\frac{120}{20}=6\ hours\ of\ overtime

So

Allison works

35+6=41\ hours

Regular=35\ hours\\ Overtime=6\ hours

therefore

<u>the answer part c) is</u>

Regular=35\ hours\\ Overtime=6\ hours

4 0
3 years ago
¿give me the answer please?​
Svetllana [295]

Answer:

47.13

Step-by-step explanation:

15inch is the diameter so do

3.142 x 15 = 47.13

6 0
2 years ago
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