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Lubov Fominskaja [6]
3 years ago
15

Write the following quadratic in vertex form X^2-10x+7

Mathematics
1 answer:
grin007 [14]3 years ago
5 0
Hello,

y=x²-10x+7=x²-2*5x+25-25+7=(x-5)²-18
================================
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Solve for y.
Alexeev081 [22]

Answer:

y = 18

Step-by-step explanation:

3.23(y – 18) - 19.17 = -19.17

3.23y - 18 x 3.23 = -19.17 + 19.17

3.23y - 58.14 = 0

3.23y = 58.14

3.23y/3.23 = 58.14/3.23

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3 0
3 years ago
Please help!!!!!!!!!!!!!!!!!!!!
Ahat [919]
Greetings!

"Write and solve an equation to determine how many servings of this item ...exactly 45 grams of cholesterol"...

The variable in this equation would be the amount of servings she can eat of the items.
Lets represent this as x ; x=amount of servings

The item has 30 mg of cholesterol and she wants to only consume 45 mg.

The equation would be:
30x=45

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x=1.5


Alisa can consume 1.5 servings of the item each day.

Hope this helps.
-Benjamin


7 0
3 years ago
The highway mileage (mpg) for a sample of 9 different models of a car company can be found below.
Alik [6]

Answer:

34

Step-by-step explanation:

because I did the test

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I need help with this question?
tekilochka [14]

Answer:

8.5 h = 510 min

Step-by-step explanation:

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We can break "8.5" into 8 hours and 0.5 of an hour (which is 30 minutes).

Knowing this, we can multiply 8 by 60 since each hour is 60 minutes. We then get 480. We still need to add the remaining 0.5 of an hour (30 minutes) so we add 480 + 30. We then get 510.

Therefore 8.5 hours = 510 minutes. Hope this helps!

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