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dybincka [34]
3 years ago
13

Write the quadratic function in the form f (x) = a (x - h)? +k

Mathematics
1 answer:
seraphim [82]3 years ago
5 0

Answer:

f(x) = -3(x - 5)^2 + 4

vertex (5,4)

Step-by-step explanation:

f(x) = -3x² +30x - 71

f(x) = -3(x² +-10x) - 71

f(x) = -3(x² +-10x+5^2-5^2) - 71

f(x) = -3(x² +-10x+5^2) -3(-5^2) - 71

f(x) = -3(x² +-10x+5^2) + 4

f(x) = -3(x - 5)^2 + 4

vertex (5,4)

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Help please!!!!!!!!!!!!!!!!!!
DedPeter [7]

Answer:

3/4

Step-by-step explanation:

We want to find the probability that a student has a dog given that they have a cat, this means that the information given from the side that says " does not have a cat " is irrelevant and we only look at the information from the side that says " has a cat "

Probability = favorable outcomes / total # of outcomes

Favorable outcomes = Having a cat and dog , 6 students have both a cat and dog so favorable outcomes = 6

Total # of outcomes = total # of students that have a cat whether they have a dog or not. Total # of tudents that have a cat = 6 + 2 = 8

So probability of having a dog given that they have a cat = 6/8 or 3/4

6 0
2 years ago
Rectangle LMNP has a length of 3x+5 meters and a width of 4x-3 meters. What is its perimeter? PART B: The perimeter of rectangle
frez [133]
Part A: 
(3x+5)+(3x+5)+(4x-3)+(4x-3)=p
3x+3x+4x+4x=14x
5+5+-3+-3=4
14x+4=p
     -4    -4
14x=p-4
----  -----
14    14

x=1/4 p + -2/7

14(1/4 p +-2/7) +4=p
14(0.25p + 0.28571428571)+4=p
3.5 + 3.99999999994 + 4=p
11.4999999999=p

This may not help by no harm in trying.

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4 years ago
How can you prove that corresponding parts of congruent triangles are congruent?
maksim [4K]

Answer:

You can tell by using the degrees of the angles and the lengths of the sides, congruent triangles will have the same angle measures and same side lengths where as similar triangles will have the same angle measures but different side lengths.

Step-by-step explanation:


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