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Zielflug [23.3K]
3 years ago
10

Which angles are complementary to each other? Select all that apply.

Mathematics
2 answers:
lbvjy [14]3 years ago
8 0

Answer: Choice A only

Angles 1 and 2 add to 90 degrees, ie they join to form a right angle.

Put another way, angles 1,2, and 3 form a straight angle (180 degrees). Angle 3 is 90 degrees, so angles 1 and 2 make up the other 90.

muminat3 years ago
6 0

Answer:

∠1 and ∠2

Step-by-step explanation:

Angle 1 and Angle 2 are the only complementary angles because they form a right angle, which is worth 90°.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

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A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y = 7 − x 2 y=7-x2. what are the dime
slega [8]
A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y = 7 − x 2 y=7-x2. what are the dimensions of such a rectangle with the greatest possible area?

5 0
4 years ago
Ivan purchased stock in a company at an initial price of $8 per share. The share value reached $18 after 10 days and then began
Butoxors [25]

The quadratic equation that best represents his model of the relationship between stock value and time is given by:

y = -0.0976(x - 10)^2 + 18, x \geq 0

The graph is given at the end of the answer.

<h3>What is the equation of a parabola given it’s vertex?</h3>

The equation of a quadratic function, of vertex (h,k), is given by:

y = a(x - h)^2 + k

In which a is the leading coefficient.

In this problem, the maximum value was a share value of $18 after 10 days, hence the vertex is:

(h,k) = (10,18).

Thus:

y = a(x - 10)^2 + 18

Since the initial price was of $8 per share, we have that:

8 = a(0 - 10)^2 + 18

-82a = 8

a = -\frac{8}{82}

a = -0.0976

Hence the equation is:

y = -0.0976(x - 10)^2 + 18, x \geq 0

At the end of the answer, the sketch of the graph is given.

More can be learned about quadratic equations at brainly.com/question/24737967

6 0
3 years ago
What is 13/4 as a mixed number
stellarik [79]

Answer:

3 1/4

Step-by-step explanation:

because you divide 13 by 4 you get 3 1/4

8 0
4 years ago
Read 2 more answers
Emma buys packets of coloured beads.
Nataliya [291]

Answer:

yes

Step-by-step explanation:

5p

8r

4b

3 0
4 years ago
Read 2 more answers
Please can someone help me figure this out I have tried but cant figure out where to multiply from. Multiply (9)(-2)
alexdok [17]
Not sure what you mean where to multiply from but what you have is (9)(-2)

This means 9 times -2
answer is -18
4 0
3 years ago
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