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Mice21 [21]
3 years ago
14

I need help now please

Mathematics
2 answers:
aliina [53]3 years ago
7 0

Answer:

4

Step-by-step explanation:

7 4

3 × (-3)

It would be answer four because it would be equivalent and equal expression

Hope that helps :)

Juliette [100K]3 years ago
5 0
Answer:
Correct option: A. 3^7x1/3^4

Hope it helps u
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Expressions that are equivalent to b×b
Serggg [28]

Answer:

b^2

Step-by-step explanation:

5 0
3 years ago
Evaluate the indefinite integral. (Use C for the constant of integration.) sin(10x) 1 cos2(10x) dx
Schach [20]

Answer:

The result of the integral is -\frac{\cos^3{10x}}{30} + C

Step-by-step explanation:

We are given the following integral:

\int \sin{(10x)}\cos^{2}{(10x)} dx

I am going to solve by substitution, using u = \cos{10x}, so du = -10\sin{10x}dx, dx = -\frac{du}{10\sin{10x}}. So, we have

-\frac{1}{10} \int u^2 du

Which has the following result:

-\frac{u^3}{30} + C

Going back to x, the result of the integral is

-\frac{\cos^3{10x}}{30} + C

5 0
3 years ago
Olivia is painting a logo for a billboard and wants to use a combination of blue paint and red paint to completely cover a 5000
My name is Ann [436]

Answer:

($20/gal)r + ($30/gal)b ≤ $250

r + b ≤ 10 (gallons)

Step-by-step explanation:

Represent the amount of red paint by r and that of blue point by b.

Olivia must cover 5000 ft^2 with paint, which comes out to 5000/500, or 10, gallons total of red and blue paint.  The corresponding inequality is

r + b ≤ 10 (gallons)

She has onlyl $250 to spend.  Therefore, the following must hold true:

($20/gal)r + ($30/gal)b ≤ $250

The required sysstem of inequalities is thus

($20/gal)r + ($30/gal)b ≤ $250

r + b ≤ 10 (gallons)

5 0
3 years ago
Find the equation of the circle with center at (-1.3) and radius of 4.
Zigmanuir [339]

Answer:

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Step-by-step explanation:

3 0
4 years ago
What is 91 divided by 0.7
Tomtit [17]
Well i got 130.

hope it helps : )

4 0
4 years ago
Read 2 more answers
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