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zalisa [80]
2 years ago
15

F(x)=(x-1)^2-32 in standard form

Mathematics
1 answer:
hoa [83]2 years ago
4 0
Your answer would be y=2x-34

explanation:
distribute the exponent
(x-1)^2 -> 2x-2
then combine like terms
2x-2-32 -> 2x-34

hope that helped :)
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a rectangle has an area that is represented by 9x²-4. the length of the rectangle is 3x-2. what is the width?
PSYCHO15rus [73]

Step-by-step explanation:

the area is

length × width

(3x - 2) × width = 9x² - 4

to find width we could do a real polynomial division or simply recognize the fact that

(a + b)(a - b) = a² - b²

and we see that in our area calculation we are missing the (a + b) factor.

so, width = (3x + 2)

but if you want the division :

9x² - 4 : 3x - 2 = 3x + 2

- 9x² - 6x

-----------------

0 6x - 4

- 6x - 4

----------------------

0 0

again, width = (3x + 2)

6 0
2 years ago
I had 10 cookies. i gave 1/4 of cookies to the girl how many or lift
morpeh [17]
Answer:
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7 0
3 years ago
henry is mixing concrete. to make concrete he needs to mix cement, sand and gravel in the ratio 5 : 4 : 1 by weight. henry needs
MaRussiya [10]

Answer:

cement by 5 Kg

Step-by-step explanation:

add the parts of the ratio, 5 + 4 + 1 = 10 parts

Divide the quantity of concrete by 10 to find the value of one part of the ratio.

110Kg ÷ 10 = 11Kg ← value of 1 part of ratio , thus

5 parts = 5 × 11Kg = 55Kg ← cement required

4 parts = 4 × 11Kg = 44Kg  ← sand required

1 part = 11Kg ← gravel required

He requires 55Kg of concrete but only has 50Kg.

He requires 44Kg of sand and has 55Kg

He requires 11Kg of gravel and has 15Kg

Thus he is 5Kg short of cement.

7 0
3 years ago
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Fynjy0 [20]
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3 years ago
20 is 80 percent of what number?
ziro4ka [17]

Answer: 100

Step-by-step explanation:

8 0
3 years ago
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