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pav-90 [236]
3 years ago
15

a runner warms up for ten minutes and then takes seven minutes to run each mile. the total time after r miles in 45 minutes. how

manymiles are run
Mathematics
1 answer:
Alika [10]3 years ago
6 0
45=10+7x
35=7x
5=x

Answer: they ran 5 miles

Hope this helps:)
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Last week Isaiah and his roommates ate 3/8 of a carton of yogurt, and this week they ate
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Answer: 5/24

Step-by-step explanation:

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Explain how you decide wether to multiply or divide by 3 if you need to convert yards to feet.
Valentin [98]

Answer:

Step-by-step explanation:

Converting yards to feet means that we want the label of yards to cancel, leaving feet as our label. Use the factor-label method taught in chemistry.

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The yards label cancels out, leaving feet as our label.  So to answer the question, in order to convert from yards to feet you are multiplying by 3.

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A store sells snacks by weight. A six ounce bag of mixed nuts costs $3.60. Will a two ounce bag of nuts cost more than or less t
Lostsunrise [7]
2 ounce bag will cost less than $1.25

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6 0
3 years ago
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Nuance said she drew a square pyramid and that all of the faces are triangles.Is this possible?
sergeinik [125]
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Write the direct variation function given that y varies directly with x, and y = 1.5 when x = 5.
Cloud [144]

Answer:

y=0.3x

Step-by-step explanation:

Formula = K=\frac{y}{x}

y α x

y = kx

Where k is the constant of proportionality.

When y = 1.5; x = 5;

We substitute these known values in the equation,

y = kx

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Dividing both sides of the equation by 5 to find the value for k, we have

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Therefore,

K = 0.3

Having found the value of k,

We substitute this value into the relationship

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Therefore we have,

y = 0.3x.

The direct variation function is therefore,

y = 0.3x.

[RevyBreeze]

4 0
2 years ago
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