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cluponka [151]
2 years ago
7

Draw a picture to show the value of 5 x (3 + 7)

Mathematics
1 answer:
Lerok [7]2 years ago
6 0
If we do 3 + 7 the first one it would 10 and the other one is also 10 so if we add 10+10 is would equal to 20 and if we do 20 x 5 it would 100. Your answer would be 100
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If f is a continuous function such that the integral from 1 to 4 of f of x, dx equals 10, evaluate the integral from 2 to 8 of 2
IgorLugansk [536]

Answer: 10

Step-by-step explanation:

Since integral from 1 to 4 of f(x) =10

To evaluate integral from 2 to 8 of 2 times f(2x), using substitution method

Let U = 2x, dU = 2dx, dx = dU/2

Evaluate the limit, upper limit gives dU = 2*4 = 8, lower limit gives dU = 2*1 = 2.

Since this limit are the same as the limit for the question,

Therefore, F(4) - F(1) = F(8) - F(2) = 10

Substituting dx=dU/2

Gives,

Integral from 2 to 8 of 2 times f(2x)= (1/2)(2)(F(8)-F(2)) = 10

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3 years ago
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Answer:

y=1/2x+5

Step-by-step explanation:

Plug it into the formula for a point and a slope.

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Y-8=1/2(x-6)

Then multiply the 1/2 to the x and -6. After you do that, move everything so that it has y by itself on the left. Your ending should be y=1/2x+5.

7 0
3 years ago
Orlando is measuring the angles of a triangle. He measures the first two angles and gets 30° and 70°. What should be the measure
Andrei [34K]
The answer will be B because all three angles of the triangles add up to180 degrees, and we already know the total of two other angles are 100 degrees, which made the unknown angles have 80 degrees. Hope it help!
8 0
3 years ago
Read 2 more answers
Transformations questions! thank you :)
denis-greek [22]

Answer:

Either B or D is the answer

4 0
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A researcher conducted an experiment to study the effects of an herbal supplement on the duration of the common cold. From a sam
OverLord2011 [107]

Answer:

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Step-by-step explanation:

-An experimental unit is any physical entity or person or animal that can be randomly assgned to a treatment.

-Such a unit is usually referred to as a unit of statistical analysis.

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3 0
3 years ago
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