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2 years ago

My question is in the picture pls help

Mathematics

2 answers:

dimulka [17.4K]2 years ago

5 0

Answer:

It is an acute angle

Step-by-step explanation:

Any Angle from 1-89 degrees is considered an acute angle

eduard2 years ago

3 0

Your answer is accute

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How many real-number solutions does the equation have?

Alexxx [7]

I believe the correct answer would be that it has one solution which is 5. Calculating x for the quadratic equation, you will only get one value so it should be one solution. Hope this answers the question. Have a nice day.

8 0

3 years ago

Read 2 more answers

Part 1 Write your own real-world scenario where the Pythagorean Theorem can be applied to find a missing piece. You may choose t

kondor19780726 [428]

I think this answers all the parts

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3 years ago

Show that 3 · 4^n + 51 is divisible by 3 and 9 for all positive integers n.

-BARSIC- [3]

Answer:

Step-by-step explanation:

Hello, please consider the following.

$3\cdot 4^n+51=3\cdot 4^n+3\cdot 17=3(4^n+17)$

So this is divisible by 3.

Now, to prove that this is divisible by 9 = 3*3 we need to prove that

$4^n+17$ is divisible by 3. We will prove it by induction.

Step 1 - for n = 1

4+17=21= 3*7 this is true

Step 2 - we assume this is true for k so $4^k+17$ is divisible by 3

and we check what happens for k+1

$4^{k+1}+17=4\cdot 4^k+17=3\cdot 4^k + 4^k+17$

$3\cdot 4^k$ is divisible by 3 and

$4^k+17$ is divisible by 3, by induction hypothesis

So, the sum is divisible by 3.

Step 3 - Conclusion

We just prove that $4^n+17$ is divisible by 3 for all positive integers n.

Thanks

4 0

3 years ago

For f(x) = 2x + 1 find each value. <br> f(6) <br> f(3) <br> f(−5)

sertanlavr [38]

F(6) = 2(6) + 1
= 12 +1
= 13

f(3) = 2(3) + 1
= 6 + 1
= 7

f(-5) = 2(-5) + 1
= -10 + 1
= -9

7 0

2 years ago

I forget how to do this problem, little help-?

jenyasd209 [6]

X=4

Please mark brainliest

4 0

2 years ago