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2 years ago

PLEASE HELP ME!!! I AM FAILNG AND I NEED THE ASNWERS I WILL GIVE BRAINLIEST PLEAS!!!!!!!

Mathematics

1 answer:

nika2105 [10]2 years ago

3 0

Answer:

9. $\sqrt{61} \sqrt{71}$ 8 10

10. 6 $\sqrt{45}$ $\sqrt{63}$ 9

Step-by-step explanation:

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Write a definite integral that represents the area of the region. (Do not evaluate the integral.)

joja [24]

Answer:

$\int_{-1}^{1}7(x^{3}-x)\:dx$

Step-by-step explanation:

1) The other curve is $y=0$ then the common points of both curves are x-intercepts, the roots of $y=7(x^{3}-x)$

$y=7(x^{3}-x)\Rightarrow 7(x^3-x)=0 \Rightarrow 7(x^{3}-x)=7x(x-1)(x-1)\Rightarrow \\S=\left ( 0,0 \right ),\left ( -1,0 \right ),\left ( 1,0 \right )$

2). Then those intersection points are the upper and the lower limits. Plugging in to this formula for they belong to the interval [-1,1]:

$\int_{a}^{b}|f(x)-g(x)dx$

$\int_{a}^{b}|f(x)-g(x)dx \Rightarrow \int_{-1}^{1}|7(x^{3}-x)-0|dx \Rightarrow \int_{-1}^{1}7(x^{3}-x)\:dx$

8 0

3 years ago

Please help me with this math question!

nlexa [21]

If the temperature drops 35 degrees everyday for 7 days, you would have to add -35 + -35 + -35 +-35 + -35 + -35 + -35, since each day it drops the temperature would be -35, now the answer would be -245.

Hopefully this helped. :)

8 0

3 years ago

Read 2 more answers

Simplify 8u+9v+3u−5v

REY [17]

Combine like terms:

11u+4v

8 0

3 years ago

Factor the mn+5m-3n-15

neonofarm [45]

The factor of mn+5m-3n-15 is 6m-4n-15.

3 0

3 years ago

Read the following description of a relationship: Anne's shower uses 15 liters of water per minute. Let m represent the number o

ki77a [65]

Answer:

105

Step-by-step explanation:

m= minutes

Minutes*15= Whole water

m*15=w

7*15=105

3 0

3 years ago