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inn [45]
3 years ago
7

Convert the following from vertex form to standard form

Mathematics
2 answers:
viktelen [127]3 years ago
6 0

Answer:

option 3

Step-by-step explanation:

navik [9.2K]3 years ago
3 0

Answer:

-3x²+12x-16

Step-by-step explanation:

-3(x-2)²-4

expand (x-2)² first = (x-2)(x-2) = x²-2x-2x+4 or x²-4x+4

distribute -3

-3(x²-4x+4) = -3x²+12x-12-4

= -3x²+12x-16

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inessss [21]
Graph A because the graph starts out at 10 on week one and goes up by ten each week
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3 years ago
What is the exact circumference of a circle with a radius of 15 cm? 10πcm 15πcm 30πcm 60πcm WIIL GIVE BRAINLIEST
ddd [48]

Answer:

(C) 30πcm

Step-by-step explanation:

In order to find circumference you use the formula C (circumference)=2(pi)(r) in which r is the radius. In this case, two and 15 are thirty so to find the circumference all you have is the equation 30 times pi centimeters is equal to the Circumference.

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3 years ago
How many 4-digit numbers are multiples of at least one of these two numbers: 2; 5.
garri49 [273]

Answer:

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Step-by-step explanation:

8 0
4 years ago
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9. If it takes Joel 30 seconds to install each
DaniilM [7]

Answer:

20

Step-by-step explanation:

Since we have given that

Dimensions of a triangle he has to use for fencing are

15 feet, 8 feet, and 20 feet.

1) For making it a right triangle it must satisfy the "Pythagoras theorem" which states that

H^{2} = B^{2} + P^{2}

20^{2} = 15 + 8^{2}

400 \neq  225 + 64

400 \neq 289

No, it will not be able to make a right triangle.

2) Joel cut the longest piece of wood in order to make a right triangle.

So, from above we get that

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Hence, he needs 20 minutes to install all of the fences.

3 0
3 years ago
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