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3 years ago

Jack has 5 craft sticks. He needs 4 times that number for a project.how many craft sticks does jack need altogether?

Mathematics

2 answers:

Katarina [22]3 years ago

8 0

Jack would have twenty craft sticks because four times that number is the same as x4 so you would do 5x4=20.

Blababa [14]3 years ago

5 0

Jack needs twenty craft sticks

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What is f(x) = 2x2 + 28x – 5 written in vertex form? f(x) = 2(x + 7)2 – 19 f(x) = 2(x + 7)2 – 103 f(x) = 2(x + 14)2 – 14 f(x) =

padilas [110]

Answer:

f(x)=2(x+7)^2-103

Step-by-step explanation:

$f(x)=2x^{2} +28x-5\\=2(x^2+14x)-5\\=2(x^2+2(7)x+7^2-7^2)-5\\=2(x+7)^2-2(49)-5\\=2(x+7)^2-103$

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3 years ago

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liberstina [14]

Answer:

$\boxed{\sf \ \ \ x^2 + x -72 = 0 \ \ \ }$

Step-by-step explanation:

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2 years ago

Please help, I think C and D are correct, but there is only one correct answer. See attatched question.

Lelechka [254]

I'm pretty sure it's C. It seemed confusing at first to me, too. Good luck on your test!

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2 years ago

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MATHS | Cousin needs help❤️ question bellow

Licemer1 [7]

Equation: y = 6 - 2x

Fill in the x numbers in the x which is next to -2 —> y = 6 - 2(0), y = 6 -2(1), y = 6 -2(3), and etc.

A) 0 —> 6
1 —> 4
2 —> 2
3 —> 0
4 —> -2
5 —> -4

B) Put a dot on y axis on number 6, then go down by 2 because your subtracting 2

C) 6 - 2x = 3
-6 -6
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-2/-2 -3/-2

X = 1.5

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2 years ago

Image point B'(4, -8) was transformed using the translation (x-2, y + 3). What were the coordinates of B?

DaniilM [7]

Answer:

B(6 , -11)

Step-by-step explanation:

(x-2 , y+3) = (4 , -8)

Compare the x & y co ordinates

x - 2 = 4 ; y + 3 = -8

x = 4 +2 ; y = -8 - 3

x = 6 ; y = -11

B(6 , -11)

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2 years ago