3 years ago

What are the values of A and B?

Mathematics

1 answer:

Darina [25.2K]3 years ago

6 0

I think that either A or B have to be the number of days

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A restaurant customer left $1.65 as a tip. The tax was 5% and the tip was 15% of the after tax cost. Which information is not

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3 years ago

Luis, using appropriate safety precautions, fires a .22 caliber gun directly into the sky above him. The bullet travels at a spe

Tanya [424]

The equation represents height as a function of time.

The bullet was in the air for 75 seconds.

The equation is given as:

$h(t) = -16t^2 + 1200t$

The time spent in the air is the time it takes the bullet to land on the ground.

When the bullet is on the ground, the height is:

$h(t) = 0$

So, we have:

$h(t) = -16t^2 + 1200t$

$-16t^2 + 1200t = 0$

Factor out t

$t(-16t + 1200) = 0$

Split

$t = 0$ or $-16t + 1200 = 0$

$t = 0$ represents when the shot is fired.

So, we solve for t in $-16t + 1200 = 0$

Collect like terms

$16t = 1200$

Divide both sides by 16

$t = 75$

Hence, the bullet was in the air for 75 seconds

Read more about height and time at:

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2 years ago

I want the answers plz...

Darina [25.2K]

Tip: look up the words and find the definition! its much easier

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3 years ago

HELP! im sooooooooooo confused

Mama L [17]

Answer:

wow this is hard let me do the math hold on

Step-by-step explanation:

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2 years ago

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4) Dan had 199 dollars to spend on 7 books. After

IRINA_888 [86]

Answer:

The answer is that each book costs 26 dollars

Step-by-step explanation:

First we subtract 199 dollar from 7 =182

Then we divide 182 dollars to the seven book in order to find a unit =182/7=26

To prove this answer multiply 26 dollars than 7 books and see if the outcome is 182.Then subtract 199 from 182 and see if you got 17.

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3 years ago