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2 years ago

9

Write an inequality that represents the following scenario: a number divided by 10 increased by 8 is greater than 15.

1 answer:

Sonbull [250]2 years ago

4 0

$\frac{x}{10}$ + 8 > 15

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kodGreya [7K]

Answer:

$y=-2\,(x+3)^2-3$

Step-by-step explanation:

Notice that they are asking you to write the equation of the parabola in vertex form, that is using the coordinates of the vertex $(x_v,y_v)$ in the expression:

$y-y_v=a\,(x-x_v)^2\\y=a\,(x-x_v)^2+y_v$

we can start by directly replacing the given vertex coordinates (-3, -3) in the expression, and then using the extra info on the point the parabola goes through in order to find the parameter $a$ :

$y=a\,(x-x_v)^2+y_v\\y=a\,(x+3)^2+(-3)\\y=a\,(x+3)^2-3\\-5=a\,(-2+3)^2-3\\-5=a\,(1)-3\\a=-5+3\\a=-2$

So, now we can write the full expression for the parabola:

$y=a\,(x+3)^2-3\\y=-2\,(x+3)^2-3$

8 0

2 years ago

PLEASE HELP ASAP THANKS!

Vladimir [108]

Answer:

answer is 8$ have a great day

Step-by-step explanation: BRAINLIEST PLEASE

6 0

2 years ago

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prohojiy [21]

Answer:

Step-by-step explanation:c 15

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3 years ago

Vermont produces about 430000 gallons of maple syrup each year how many 2 quart containers of Maple Syrup can be made from 43000

Yuki888 [10]

860000 2 quart containers of syrup can be made. Good luck on your schoolwork!

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3 years ago

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A number is 6 greater than 1\2 another number. If the sum of the numbers is 21,find the numbers.

Lemur [1.5K]

Let 1 number equal x
<span>Let the other number equal 1/2x + 6

x + (1/2x + 6) =21
1 & 1/2 x + 6 =21
1 & 1/2 x =15
</span>

5 0

3 years ago