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andrew11 [14]
3 years ago
6

How many real roots does the quadratic function f(x)= -5x^2 have?

Mathematics
1 answer:
Naya [18.7K]3 years ago
5 0
1 root I believe this is the correct answer
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Gina says that she can find the length of the diagonal, c, of the rectangular prism by using the Pythagorean theorem twice.
Elena L [17]

Answer:

\sqrt{149\\ \\

However, that's the length of "c" and you're looking to drag it in. So,o you drag in 10^2+7^2=a^2.

Then, as shown by the first picture attatched, you can drag in the one with "c" and "a" with the five shown.

Step-by-step explanation:

To find "c" the diagonal, as explained, you need to use the theorem twice. You can first use it by finding "a", as you already have "b". To find a, you do 10^2+7^2=a^2, the hypotenuse.

100+49=149.

So, a is root 149.

a^2+b^2=c^2 so

149+25=174

5 0
3 years ago
How do you use congruence and similarity criteria to solve problems in geometric figures?
Zolol [24]

Answer: We are given that, between the triangles, two pairs of corresponding sides are proportional, and that a pair of corresponding angles are congruent. The angles that are congruent are the included angles of their respective sides. By the SAS Similarity Postulate, this is enough to prove that .

Step-by-step explanation:

8 0
4 years ago
I will give 10 pt to who ever answer the question
kap26 [50]
OK, because it is asking you to subtract a (negative) number and two negatives make a positive, the question would be -56 + 27.07 = ? with some simple addition, the answer would be <span>-28.93.

I hope this helps :)</span>
3 0
3 years ago
Read 2 more answers
What’s the answer to this question?
kolbaska11 [484]

Answer:

h=2A/b

Step-by-step explanation:

Try to isolate the variable H. Multiply by 2 on both sides to get rid of the fraction. This gives us 2A=bh. Now, divide both sides by B to get h by itself. h=2A/b is your answer.

6 0
3 years ago
Read 2 more answers
How much would you pay for 5 apples at the rate of $6.60 a dozen?
V125BC [204]

Answer:

You would pay $2.75

Step-by-step explanation:

a dozen = 12

6.60 / 12 = $0.55

0.55 x 5 = 2.75

7 0
3 years ago
Read 2 more answers
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