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Bess [88]
3 years ago
7

Y=-x^2+4x-5 find the vertex

Mathematics
1 answer:
Burka [1]3 years ago
3 0

Answer:(2,−9)

Step-by-step explanation:

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The lengths of two sides of a right triangle are 12 inches and 15 inches. What is the difference between the two possible length
andrew11 [14]

we know that

In a right triangle

Applying the Pythagorean Theorem

c^{2} =a^{2} +b^{2}

where

a and b are the legs of the triangle

c is the hypotenuse of the triangle

Step N 1

<u>Assume that the third side is a leg</u>

In this case we have

a=12\ in\\c=15\ in\\ b=?

c^{2} =a^{2} +b^{2}

Solve for b

b^{2}=c^{2} -a^{2}

substitute the values

b^{2}=15^{2}-12^{2}

b^{2}=81

b=9\ in

Step N 2

<u>Assume that the third side is the hypotenuse</u>

In this case we have

a=12\ in\\b=15\ in\\ c=?

c^{2} =a^{2} +b^{2}

substitute the values

c^{2}=12^{2}+15^{2}

c^{2}=369

c=19.2\ in

Step N 3

<u>Find the difference of the third sides</u>

19.2\ in-9\ in=10.2\ in

therefore

<u>the answer is</u>

10.2\ in

8 0
3 years ago
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There are 252 pieces of candy in a 14-ounce jar. how many pieces of candy are there per ounce in the jar?
jeka57 [31]

Answer:

18 pieces of candy/ounce

Step-by-step explanation:

You would need to divide 252 by 14 to see how many even pieces of candy go into each ounce.

18

6 0
2 years ago
1+1= what plz help i have been stuck on this for five days plz plz plz help me
Darya [45]

Answer:

2

Step-by-step explanation:

1+1=1+1=1+1=1+1=2+0=0+2

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2 years ago
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How do you do this problem 3x times x squared
kobusy [5.1K]

both variables are x

pretend there is an imaginary 1 in front of the x for x squared

3 x 1 = 3

x^2 x X = x^3

this is because when multiplying numbers with the same variable like this problem for instance then you add the squared (2) with the x ( imaginary 1)

so 3x^3 is the answer



5 0
4 years ago
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Represent the following expressions as a power of the number a. (a≠0):
Aleksandr [31]

Answer:

a^12 − 2a^11 + a^10

Step-by-step explanation:

You should simplify the powers from there. Hopefully that helped!

4 0
3 years ago
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