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rodikova [14]
3 years ago
7

Harry worked 7 hours last week. This is 1/3 as many as Aidan worked. How many hours did Aidan work?

Mathematics
2 answers:
Mars2501 [29]3 years ago
7 0
Aidan has put 21 hours of work. To simplify it, Harry worked 7 hours and Aidan worked 7 x 3 times which equates to 21 hours.
Andreyy893 years ago
6 0

Answer:

Step-by-step explanation:

Exactly what he or she said

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In a lab a substance was was heated by 4°C each hour for 28 hours. What was the total change in temperature
g100num [7]

Answer:

The temp went up by 112c

Step-by-step explanation:

4*28=112c

Difference would be 112c

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3 years ago
A student is running a 3-kilometer race. He runs 1 kilometer every 2 minutes. Select the function that describes his distance fr
Thepotemich [5.8K]
I would choose the formula D (distance to the finish line)=3-2x/2 where x is the distance run so for example for x = 1 km then 2 times 1 = 2/2=1 so D=3-1=2km which is seen to be the logical answer so it seems to corroborate the equation. 
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3 years ago
Xavier climbs 9 feet up into an apple tree. What integer represents the direction and how far he will climb to get back down to
natima [27]

Answer:

-9

Step-by-step explanation:

We are told in the question that:

Xavier climbs 9 feet up into an apple tree.

The direction symbol or sign for upwards movement = Positive (+) sign

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The direction symbol or sign for downwards movement = Negative (-) sign

Since we know the distance (or how far) he has to climb by downwards is also 9 feet, therefore, the integer that represents the direction and how far he will climb to get back down to the ground is -9

7 0
3 years ago
I need help understanding this problem I just joined my new school and I don’t understand this can someone help me?
NNADVOKAT [17]

Answer:150

Step-by-step explanation:p

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×

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27

100

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p

100

×

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100

18

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27

100

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8 0
3 years ago
Can someone pls help me with this?
kipiarov [429]

Answer:

the answer would be c

Step-by-step explanation:

If the train is moving at a constant rate then the graph would have to show a straight line.

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3 years ago
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