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Rama09 [41]
3 years ago
7

Eric runs a race that can be modeled by the equation shown , where d is his distance, in feet , from the starting line and t is

his time, in seconds, since the race began .
d=8t-4
Which equation shows Eric’s time of distance?

Mathematics
2 answers:
gladu [14]3 years ago
4 0

Answer:D+4/8

Step-by-step explanation:

slamgirl [31]3 years ago
3 0

Answer:

C.  t = (d + 4)/8

Step-by-step explanation:

The equations showing Eric time of distance simply means making t the subject of the formula in the equation given below.

d = 8t - 4

Transfer -4 to the left side and it becomes positive

8t = d + 4

divide both sides by 8

t = (d + 4)/8

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bekas [8.4K]

Answer:

A.) 15.60=11.40+10x

Step-by-step explanation:

okay we know kathy spent 15.60 in total at the post office

so we know 15.60 will be after the equal sign.

she paid 11.40 only on the package

and rest of money was on stamps.

15.60-11.40= 4.20

so she used 4 dollars and 20 cents for stamps if she bought 10 we need to divied 4.20/10=0.42

0.42 cents for each stamps so we need a equation that will give us this answer.

Me i go thru each one and solve for x

lucky for me i just need to solve one

because equation A solves it correctly.

15.60=11.40+10x

subtract 11.40 on both sides

15.60-11.40

4.20=10x

now we divide 10 on each side

4.20/10=0.42

x=0.42

 

5 0
3 years ago
Read 2 more answers
Simplify the following expression 5^2-4/5+2
oee [108]
If <span>(5^2-4) / (5+2) then
=(25 - 4 )/3
= 21/3
= 7

if 4/5 fraction then
</span><span>5^2-4/5+2
= 25 - 4/5 + 2
= 27 - 4/5
= 26 5/5 - 4/5
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6 0
3 years ago
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A can of corn is shaped like a cylinder. The radius of the can is 5 inches and the height of the can is 8 inches. Which measurem
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Answer:

B) 628.32 cm cubed

Step-by-step explanation:

we know the formula to find the volume of a cylinder is π*r^2*h

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the equation would look like this

π*5^2*8

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Step-by-step explanation:

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Theoretical value = 6255 grams

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Percent error =(6475- 6255)grams / 6255grams x 100

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Good evening ,

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Answer:

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