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4 years ago

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Ollie bought a sports drink for $2.25 and several granola bars that were each $1.50. Ollie inequality with a $20 bill and receiv

ed change. Which inequality can be used to find g, the number of granola bars that Ollie purchased ?

1 answer:

disa [49]4 years ago

3 0

Answer:

2.25 + 1.50g > 20

Step-by-step explanation:

hope this help

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During a manufacturing process, a metal part in a machine is exposed to varying temperature conditions. The manufacturer of the

mars1129 [50]

Answer:

Yes, it will reach or exceed 141 degree F

Step-by-step explanation:

Given equation that shows the temperature T in degrees Fahrenheit x minutes after the machine is put into operation is,

$T = 0.005x^2 + 0.45x + 125$

Suppose T = 141°F,

$\implies 141 = 0.005x^2 + 0.45x + 125$

$\implies 0.005x^2 + 0.45x + 125 - 141 =0$

$\implies 0.005x^2 + 0.45x - 16=0$

Since, a quadratic equation $ax^2 + bx + c =0$ has,

Real roots,

If Discriminant, $D = b^2 - 4ac \geq 0$

Imaginary roots,

If D < 0,

Since, $0.45^2 - 4\times 0.005\times -16 = 0.2025 + 32 > 0$

Thus, roots of -0.005x² + 0.45x + 125 are real.

Hence, the temperature can reach or exceed 141 degree F.

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3 years ago

Any value that makes an equation true is a _____

djverab [1.8K]

Answer: solution

Step-by-step explanation: it is a solution because it makes the equation true and it can be proven.

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3 years ago

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Subtract.<br> 5/23 - 4/23<br> (Type an integer or fraction.)

ad-work [718]

Answer:

1/23

Step-by-step explanation:

5/23 - 4/23 would be 1/23. When the denominators of the fractions are the same, you can just subtract the numerators.

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3 years ago

ANSWEEER FAST PLEASE PLEASEEE

IrinaVladis [17]

Answer:

E

Step-by-step explanation:

A Slope of 5/2 means you have to go up 5 and over 2 every time a point is on the line.

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3 years ago

Just help please, im the NOT smartest

olasank [31]

Answer: 3/7

The slope is the same.

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3 years ago

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