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3 years ago

1st answer gets brainlyest Solve 3q - 5 = 13 for q.

Mathematics

2 answers:

Debora [2.8K]3 years ago

8 0

Answer:

Step-by-step explanation:

3q-5=13

3q=18

q=6

almond37 [142]3 years ago

5 0

Answer:

3q - 5 = 13 Q = 6

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Find the integral, using techniques from this or the previous chapter.<br> ∫x(8-x)3/2 dx

Soloha48 [4]

Answer:

$\int x(8-x)^{3/2}dx= -\frac{16}{5} (8-x)^{\frac{5}{2}} +\frac{2}{7} (8-x)^{\frac{7}{2}} +C$

Step-by-step explanation:

For this case we need to find the following integral:

$\int x(8-x)^{3/2}dx$

And for this case we can use the substitution $u = 8-x$ from here we see that $du = -dx$ , and if we solve for x we got $x = 8-u$ , so then we can rewrite the integral like this:

$\int x(8-x)^{3/2}dx= \int (8-u) u^{3/2} (-du)$

And if we distribute the exponents we have this:

$\int x(8-x)^{3/2}dx= - \int 8 u^{3/2} + \int u^{5/2} du$

Now we can do the integrals one by one:

$\int x(8-x)^{3/2}dx= -8 \frac{u^{5/2}}{\frac{5}{2}} + \frac{u^{7/2}}{\frac{7}{2}} +C$

And reordering the terms we have"

$\int x(8-x)^{3/2}dx= -\frac{16}{5} u^{\frac{5}{2}} +\frac{2}{7} u^{\frac{7}{2}} +C$

And rewriting in terms of x we got:

$\int x(8-x)^{3/2}dx= -\frac{16}{5} (8-x)^{\frac{5}{2}} +\frac{2}{7} (8-x)^{\frac{7}{2}} +C$

And that would be our final answer.

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3 years ago

A car drives 195 miles in 3 hours and 15 minutes. what is the average speed of the car?

g100num [7]

1 mpm or 0.0166666666 repeating mph

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3 years ago

The base of a lamp is solid glass in the shape of a square prism. Each side of the square measures 5 in. If 300 in. of

Elenna [48]

Answer:The answer is 12

Step-by-step explanation:

I cheated

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3 years ago

Can someone give me the steps to solving this equation? 3^x = 81

r-ruslan [8.4K]

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3 years ago

(7.2 x ten to the third) - (2.2 x ten to the fifth)

trapecia [35]

Answer:

-212800

Step-by-step explanation:

7.2 × 10³ = 7.2 × 1000 = 7200

2.2 × 10 to the power 5 = 2.2 × 100000 = 220000

7200 - 220000 = -212800

7 0

3 years ago

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