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2 years ago

If n is at least 7, which inequality best represents the values of n?

Mathematics

1 answer:

Wittaler [7]2 years ago

3 0

Answer:

The answer to your question is C.n ≥ 7

Step-by-step explanation:

I hope this helps and have a good day!

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Mary is x years old. How old will she be in 11 years ? How old was she 5 years ago ?

Y_Kistochka [10]

Her age after 11 years is 11x
Before 5 years her age is x-5

3 0

4 years ago

Read 2 more answers

-8 over X equals four what is X equal

uranmaximum [27]

-8/x = 4
-8 = 4x
-8/4 = x
-2 = x
or
x = -2

4 0

3 years ago

You bought some new fish and need the tank ready. You fill the tank with water and start running the filter system.You check the

gizmo_the_mogwai [7]

Answer:

82 degrees

Step-by-step explanation:

It took 3 hours for it to go from 78 to 72.

Which is a rate of -2 degrees per hour

We want to know what the temperature was two hours before it was 78 degrees so we'd do 78 - (-2) which is 82

5 0

3 years ago

Liam bought a sandwich for $4.75, a bag of chips for $2.30, and a drink for $1.15. The tax was $0.65. He gave the cashier $10.00

Nat2105 [25]

Answer:
$1.15

step-by-step explanation:
4.75 + 2.30 + 1.15 + 0.65
8.85
10.00 - 8.85
1.15

5 0

3 years ago

What is the equation in standard form of a parabola that models the values in the table

shusha [124]

Answer:

Y=4x^2-3x+5

Step-by-step explanation:

For the standard form equation to model the values in the table, each value of x in the table should give the matching the y value when substituted into the equation. We will test each equation:

$Y=-4x^2+3x+5$ for (-1,12)

$Y=-4(-1)^2+3(-1)+5=-4(1)+-3+5=-4+-3+5=-2\\$

This does not give 12 as the answer and is not a solution.

$Y=-4x^2-3x+5$ for (-1,12)

$Y=-4(-1)^2-3(-1)+5=-4(1)+3+5=-4+3+5=4\\$

This does not give 12 as the answer and is not a solution.

$Y=3x^2-4x+5$ for (-1,12)

$Y=3(-1)^2-4(-1)+5=3(1)+4+5=3+4+5=12\\$

This does give 12 as the answer and is a possible solution.

We now try (2,15).

$Y=3(2)^2-4(2)+5=3(4)-8+5=12-8+5=9\\$

This does not give 15 as the answer and is not a possible solution.

$Y=4x^2-3x+5$ for (-1,12)

$Y=4(-1)^2-3(-1)+5=4(1)+3+5=4+3+5=12\\$

This does not give 12 as the answer and is not a solution.

We now try (2,15).

$Y=4(2)^2-3(2)+5=4(4)-6+5=16-6+5=15\\$

This does give 15 as the answer and is a solution.

This is the standard form of the equation.

5 0

3 years ago