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3 years ago

If a =

Mathematics

1 answer:

Elanso [62]3 years ago

8 0

Answer:

could you give a picture of the problem. cause I may be able to help but I cant really understand the question with what you typed

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Prove that:<br> 7^16+7^<br> 14 is divisible by 50.

alekssr [168]

Answer:

See Explanation

Answer: $\boxed{ {7}^{14}} .50$

Step-by-step explanation:

${7}^{16} + {7}^{14} \\ \\ = {7}^{14} ( {7}^{2} + 1) \\ \\ = {7}^{14} (49 + 1) \\ \\ = {7}^{14}.50$

Since, one factor of ${7}^{16}+ {7}^{14}$ is 50.

Therefore, ${7}^{16}+ {7}^{14}$ is divisible by 50.

Hence proved.

3 0

3 years ago

Let F (x; y) = xy2i + x2y j. Evaluate ∫F.ds (from c to [infinity]) where C is the upper half of the circle of radius 1 centered

77julia77 [94]

Answer:

The integral $\int F \bullets ds$ is 0.

Step-by-step explanation:

A parameterization of curve C can be:

X (t) = cost 0 <= t <= pi

Y (t) = sint 0 <= t <= pi

r (t) = costi + sintj

r '(t) = -sinti + costj

$Fds = [-costsin^3t + sintcos^3t] dt$

The integral $\int F \bullets ds$ is given by:

$\int _0^{\pi }\left[-costsin^3t + sintcos^3t dt\right]dt$

$= \int _0^{\pi }-sin ^3tcostdt + \int _0^{\pi }sintcos^3tdt = 0$

4 0

3 years ago

Is 6.7234724 rational

maksim [4K]

Answer: Yes

Step-by-step explanation:

8 0

3 years ago

What is 6/15 * 8 equal

Alona [7]

Answer:

16/5 or 3 1/5 or 3.2

Step-by-step explanation:

6/15*8

Dividing by 3 on both numerator and denominator,

2/5 *8 = (2*8)/5 = 16/5

6 0

3 years ago

How much more than 1/4 cup is 3/4 cup?

posledela

Answer:

half a cup

Step-by-step explanation:

75% minus 25% is 50% aka 1 half

3 0

3 years ago

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