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Airida [17]
2 years ago
6

Find D

Mathematics
2 answers:
Snowcat [4.5K]2 years ago
7 0

Answer:

b. < D = 64°

I hope this helps

Tomtit [17]2 years ago
4 0

Answer:

I would say B. is your answer.

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What is the answer to this question I am really having trouble ??
masya89 [10]
<h3>Answer: Choice B</h3><h3>y = x^2 + 7x + 1</h3>

======================================

Proof:

A quick way to confirm that choice B is the only answer is to eliminate the other non-answers.

If you plugged x = 1 into the equation for choice A, you would get

y = -x^2 + 7x + 1

y = -1^2 + 7(1) + 1

y = -1 + 7 + 1

y = 7

We get a result of 7, but we want 9 to be the actual output. So choice A is out.

-----------

Repeat for choice C. Plug in x = 1

y = x^2 - 7x + 1

y = 1^2 - 7(1) + 1

y = 1 - 7 + 1

y = -5

We can eliminate choice C (since again we want a result of y = 9)

-----------

Finally let's check choice D

y = x^2 - 7x - 1

y = 1^2 - 7(1) - 1

y = 1 - 7 - 1

y= -7

so choice D is off the list as well

-----------

The only thing left is choice B, so it must be the answer. It turns out that plugging x = 1 into this equation leads to y = 9 as shown below

y = x^2 + 7x + 1

y = 1^2 + 7(1) + 1

y = 1 + 7 + 1

y = 9

And the same applies to any other x value in the table (eg: plugging in x = 3 leads to y = 31, etc etc).

3 0
3 years ago
Please help I will mark Brainly
horrorfan [7]

Welcome to Brainly!

A : 9/100

Good luck!

6 0
2 years ago
Read 2 more answers
Which triples are Pythagorean triples? (select all the correct answers)
mrs_skeptik [129]

Answer:

Step-by-step explanation:

(1) Yes

6 0
2 years ago
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How to do lond division 0.6÷0.0024
Kryger [21]
So...notice first off, the 0.6 has 1 decimal, the 0.0024 has 4 decimals

what happens is, the dot goes poof BUT, you need to add as many zeros to each number as the other's decimals.

the 0.6 has one decimal, so 0.0024 gets an added zero and loses the dot, to become 000240.

the 0.0024 has four decimals, thus the 0.6 gets added 4 zeros then, and loses the dot, to become 060000

and then you divided that, those are the dividend and divisor.

3 0
3 years ago
Finds the slope of the line that passes through the points (2;7) and (2;-6)
stira [4]

Answer:

13/0---- undefined

Step-by-step explanation:

7 0
2 years ago
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