Dylan got his math test back and saw a -12 1/2 points on the top of his math test. The grade was 100% because he earned extra credit points. How much extra credit did Dylan receive on his math test?

Answers

Answer 1

Answer: Since he got 100 percent, that means he didn't lose any points overall on his test. Since it said he lost 12 1/2 points, Dylan got 12 1/2 points back.

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30 POINTS PLZ HELP I WILL MARK BRAINLIESTAn archer shoots an arrow into the sky where the motion of the arrow can be modeled by the equation
() = −162 + 80 where t is time in seconds and f(t) is height in feet. Find how long it will take the
arrow to hit the ground using an algebraic method. Show all of your reasoning/steps used with this algebraic
method.

what is being asked in the problem?
show work when you solve
explain your answer

Answers

Answer:

Since 162 is negative you subtract 162-80 which is 82

Step-by-step explanation:

So it will take 82 seconds for the arrow to hit the ground I believe I’m checking my answer real quick. Ya it’s right can I maybe brainliest?

2.46875 in fractionform

Answers

2.46875 in a fraction form would look like this:

2.46875 =
= 2 46875/100000 =
= 2 9375/20000 =
= 2 1875/4000 =
= 2 375/800 =
= 2 75/160 =
= 2 15/32

I just kept simplifying it by dividing both numerator and denominator by 5 until I got its simplest form.

due to there being 5 decimal places you take out the decimal place and put it over 10 to the power of the number of decimal places
2.46875 = 246875/(10^5)
246875/100000
then simplify to get
79/32

What is 5.5 as an improper fraction?

Answers

Three ways
5.5 = 5 + .5 = 5 5/10 = 5 1/2

5.5 = 55/10 = 11/2 = 5 1/2

5.5 = 5 1/2 <---- at some point you'll need to know that 0.5 = 1/2

Given: x + 3.8 > -10.02. Choose the solution set. a. {x | x ∈ R, x > -6.22} b. {x | x ∈ R, x > -10.40} c. {x | x ∈ R, x > -13.82}

Answers

$x+3.8 \ \textgreater \ -10.02 \nx\ \textgreater \ -10.02 - 3.8 \nx\ \textgreater \ -13.82 \n \n\{ x | x \in \mathbb{R}, x\ \textgreater \ -13.82 \}$

The answer is C.

If the ratio of surface areas of 2 similar figures is 144/25 ; What is the ratio of their volumes?Please explain how to solve this also :)