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3 years ago

This graph shows how the total distance Jack has walked depends on the number of trips he has made to school.

Mathematics

2 answers:

kow [346]3 years ago

6 0

Answer:

whats the question

Step-by-step explanation:

thats the answer

ozzi3 years ago

3 0

2 kilometers per trip

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The dot plots below show rainfall totals in the Highlands and Lowlands areas of a certain region.

nadezda [96]

Answer:

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Step-by-step explanation:

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3 years ago

(e) The number of bees spotted in Amelie's garden can also be modeled by the function B(x) = 50√ k + 2x where x is the daily hig

Lunna [17]

Answer:

$\frac{dB}{dt}=4$

Step-by-step explanation:

Derivative indicates rate of change of dependent variable with respect to independent variables. It indicates the slope of a line that is tangent to the curve at the specific point.

Given:

Number of bees is modeled by the function $B(x)=50\sqrt{k}+2x$

The daily high temperature is increasing at a rate of 2 °F per day when the number of bees spotted is 100.

To find:

rate of change of number of bees when 100 bees are spotted

Solution:

$B(x)=50\sqrt{k}+2x$

Differentiate with respect to t,

$\frac{dB}{dt}=0+2(\frac{dx}{dt}) \\\frac{dB}{dt}=2(\frac{dx}{dt}) \\$

Put $(\frac{dx}{dt}) =2$

$\frac{dB}{dt}=2(2)=4$

At x = 100, $\frac{dB}{dt}=4$

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4 years ago

Sara is packing camping fuel for a 2 week canoe trip. Sara will burn 3/8 liter of fuel per day. How many liters of fuel will she

andriy [413]

2 weeks = 14 days
(14 x 3)/8 =
42/8 =
21/4

Sara will need to pack 21/4 litres of fuel

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3 years ago

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Tamiku [17]

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3 years ago

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Anestetic [448]

(2/5)(x-1)<(3/5)(x+1) perform indicated multiplications

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2x-2<3x+3 add 2 to both sides

2x<3x+5 subtract 3x from both sides

-x<5 divide both sides by -1 (remember to reverse direction of inequality sign when multiplying/dividing by a negative value)

x>-5

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3 years ago