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VMariaS [17]
3 years ago
12

22 + Ча= За –13 Solve for a

Mathematics
2 answers:
romanna [79]3 years ago
3 0

Answer:

mark as brainliest!!!!!!

Step-by-step explanation:

22+13=-4a+3a

35= -a is ur answer

sukhopar [10]3 years ago
3 0

Answer:

-35

Step-by-step explanation:

Adding 13 to both sides, you get:

35+4a= 3a

Then, you can subtract 4a from both sides to get:

35=-a

Finally, you need to multiply both sides by -1:

a=-35

Hope this helps!

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The arc of the parabola y = x^2 from (3,9) to (4,16) is rotated about the y-axis. Find the area of the resulting surface. Please
Hitman42 [59]

Answer:

156.5

Step-by-step explanation:

Thinking process:

The area can be calculated using the formula:

S = \int\limits^4_3 {2\pi x\sqrt{1+}(2x)^{2} } \, dx

We let the substitution take place.

Therefore, we let u = 1 + 4x^{2}

Thus, du = 8dx.

So,

xdx = \frac{1}{8}du

Also, the interval of the integration changes to [ 37, 65]

Thus,

S = \int\limits^4_3 {2\pi \sqrt{1+4x^{2} } } \, dx \\= \int\limits^65_35 {2\pi \sqrt{\frac{1}{8}u } } \, dx

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= 156.5 units²

8 0
3 years ago
last week, Saul ran more than one-fifth the distance that his friend Omar ran. If Saul ran 14 miles last week, how far did Omar
Sonja [21]
1/5 = 14
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7 0
3 years ago
Esmerelda bought a bag of jelly beans. There were 24 green jelly beans, which made up 8%, percent of all the jelly beans in the
Margarita [4]
So, let's look at the problem once again.

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Let's see what we can do to find out a number of other jelly beans, not including the green ones.

We know that 92% of jelly-beans are not green.

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Answer:

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Step-by-step explanation:

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13. What is the positive solution to this equation? 4x2 + 18 x= 162​
MaRussiya [10]

Answer:8.5 is x but there is an extra 1

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3 0
3 years ago
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