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3 years ago

HELP ASAP PLEASE !!!!!!

Mathematics

1 answer:

posledela3 years ago

6 0

Answer: -2

If the line sits on a number then that is the domain

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F(x)={5−1 if 1≤x<7, if 7≤x≤13. Evaluate the definite integral by interpreting it as signed area.

Ivenika [448]

Answer:

\int\limits^7_1 {f(x)} \, dx =24

\int\limits^13_7 {f(x)} \, dx =24

Step-by-step explanation:

From Exercise we have f(x)=5-1 , we get f(x)=4.

We calculate integral, if 1≤x<7, we get

\int\limits^7_1 {f(x)} \, dx =\int\limits^7_1 {4} \, dx =4[x]\limits^7_1=4(7-1)=4·6=24

We calculate integral, if 7≤x<13, we get

\int\limits^13_7 {f(x)} \, dx =\int\limits^13_7 {4} \, dx =4[x]\limits^13_7=

=4(13-7)=4·6=24

Therefore, we conclude that the given two integrals are the same.

6 0

3 years ago

Six subtracted from the sum of four and a number

nevsk [136]

Let's call this unknown number, x.

So we know that 4 and this number, x, are going to be added together and 6 is going to be subtracted from it. Therefore we can write the expression:

$(4+x)-6$

Since we cannot proceed any further without knowing either the value of x or what the expression equals, this is as simplified as it can be.

4 0

3 years ago

After walking 1/4 mile from home, han has 1/4 of his way to school. What is the distance between his home and school?

zepelin [54]

Answer:

1 whole mile

Step-by-step explanation:

If he walked 1/4th of a mile away from his house.. and ended up 1/4th of the way closer to his school the distance would have to be a full mile between the two

7 0

3 years ago

Evaluate (x^-2y^0)/(x^3y^-2) when x = 2 and y = 5. a. 25/2 b. 25/32 c. 50

sasho [114]

The answer is B. 25/32

6 0

4 years ago

Read 2 more answers

Which ordered pair is a solution of this equation? -6x + y = 35 Click on the correct answer. (-1,-7 (-6,-1) (-1,-6) (-7,-1)

nikklg [1K]

Answer:

The ordered pair (-6, -1) is the only solution.

Step-by-step explanation:

-6x + y = 35

Let's plug in the points.

(-1, -7) --> -6(-1) - 7 = 6 - 7 = -1 which does not equal 35

(-6, -1) --> -6(-6) -1 = 35

(-1, -6) --> -6(-1) - 6 = 0 which does not equal 35

(-7, -1) --> -6(-7) - 1 = 41 which does not equal 35

8 0

3 years ago