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FinnZ [79.3K]
2 years ago
12

X^2+16x+_=(x+_)^2 what are the missing digits?

Mathematics
1 answer:
Eva8 [605]2 years ago
3 0

Answer:

x^2+16x+64=(x+8)^2

Step-by-step explanation:

For the first spot you find the perfect square of the equation

This is found by doing (1/2 16)^2

1/2 16 = 8

8^2 = 64

The second spot is factoring, where you would put half of 16 or the square root of 64

1/2 16 = 8

root 64 = 8

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Can someone help me solve for x & explain how they got it please?? i have a test tomorrow!!
Fudgin [204]

Answer:

36=x^2+5x

x^2+5x-36=0

(x+9)(x-4)

x= 4

x= -9

The Answer can be 4 or -9, see which option you have.

Step-by-step explanation:

8 0
2 years ago
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Lisa Leslie went to Good Year and purchase two tires for her Range Rover. The total purchase price was $399.37. What was the pri
iragen [17]

Answer: 199.69

Step-by-step explanation:

399.37 divided by 2 bc that’s how many tires she bought

6 0
2 years ago
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What is 2^ + 2^? (^ means squared for those who can't math.)
Andrei [34K]

Answer:

2^2 + 2^2 = 8

7 0
3 years ago
A pineapple is 7 times as heavy as an orange. The pineapple also weighs 870 grams more than the orange.
Kazeer [188]
Let's say that the weight of the orange is x and the weight of the pineapple is y.
The weight of the pineapple is 7 times that of the orange, so
y = 7x.
Also, y = x + 870.
Therefore, 7x = x + 870.
If we take away x from both sides, we get 6x = 870
If we divide both sides by 6, we get x = 145.
Therefore, the weight of the orange is 145 g.
Also, 145 + 870 = 1015.
So the weight of the pineapple is 1015 g.

To convert grams into kilograms, they must be divided by 1000.
Therefore, the weight of the orange in kilograms is 145/1000 = 0.145 kg
And the weight of the pineapple is 1015/1000 = 1.015 kg.

Answers:
a. 145g for the orange and 1015g for the pineapple.
b. 0.145kg for the orange and 1.015kg for the pineapple.
8 0
3 years ago
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12 + 6 − 4 ÷ (2 + 5)
astra-53 [7]

Answer:

2

Step-by-step explanation:

14 / (7)

7 0
3 years ago
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