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marishachu [46]
3 years ago
10

Are these quadratic functions?

Mathematics
1 answer:
astraxan [27]3 years ago
5 0
Yes they are all quadratic functions
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Please help. I need it. Bad.
Murljashka [212]

Answer:

Option a.

Step-by-step explanation:

In the given triangle angle A is a right angle so triangle ABC is a right angled triangle.

Opposite side of right angle is hypotenuse. So, CB is hypotenuse.

From figure it is clear that CA is shorter that segment BA.

All angles are congruent to itself. So angle C is congruent to itself.

We know that, if an altitude is drawn from the right angle vertex in a right angle triangle it divide the triangle in two right angle triangles, then given triangle is similar to both new triangles.

So, triangle ABC is similar to triangle DBA if segment AD is an altitude of triangle ABC.

Therefore, the correct option is a.

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3 years ago
What is as 8 hundred is 8 thousand
Irina-Kira [14]
Not quite understand the question. We assume that the issue of ratios of numbers of 800 and 8000.
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5 0
3 years ago
Find two positive numbers such that the sum of the first and twice the second is 88
Juli2301 [7.4K]

the 2 numbers are 8 and 40

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7 0
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A number decreased by fifteen is less than two.
Aliun [14]

Let us assume number of n.

The number is decreased by 15.

Decreasing by 15 means, we need to subtract 15 from that number.

So, it would be come n-15.

Now, it is said that the number would become less than 2.

So, we need to setup an inequality:

n-15 is less than 2.

<h3>n-15 < 2  : required inequality .</h3>

Adding 15 on both sides, we get

n-15+15 < 2+15

n < 17.

<h3>So, we could say the number would be less than 17.</h3>
3 0
3 years ago
Find the area. Round your answer to the nearest WHOLE NUMBER 8.2 **7cm (does someone know this one I keep getting the wrong answ
Natalija [7]

Answer:

8

Step-by-step explanation:

round your number to nearest whole number this means a number without decimals

5 0
3 years ago
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