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Dvinal [7]
3 years ago
5

I WILL UPVOTE!!!!! IF U HELP

Mathematics
2 answers:
fgiga [73]3 years ago
7 0
<span>ow far does the first car go in the 2 hours head start it gets? Now, at t = 2 hours, both cars are moving. How much faster is the second car than the first car? How long will it take to recover the head start? You can determine this by dividing the head start by the difference in the two speeds. If car 1 has a 20 mile head start, and car 2 is 5 mph faster, then it will take 20/5 = 4 hours to catch up.

</span>You could also write two equations, one for each car, showing how far they have gone in a variable amount of time. Set the two equations equal to each other and solve for the value of the time. Note that the second car's equation will use (t-2) for the time, because it doesn't start driving until t = 2.
natima [27]3 years ago
3 0
Keefe was mad at Fitz so he decided to plan revenge. He had 5.3 liters of feces but he wanted to us only 1/4 of it. In that 1/4 of the amount, 0.4 of the feces was alicorn ones and 0.6 of it was gulon feces. How many Liters did Keefe use? How many liters of alicorn feces were there and how many liters of gulon feces were there in the amount that he used?
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Plzz help me asap i need help<br> I willgive brainliest
drek231 [11]

Day 1: 8km=4.97miles
Day 2: 10miles=16.09km
Day 3: 9miles=14.4km
            9.6km=5.9miles

I really hope this helps!  Not really sure what exactly the answer you are looking for is but this should help you figure it out 

6 0
3 years ago
The time t that it takes for a group of volunteers to construct a house varies inversely as the number of volunteers v. If 20 vo
PolarNik [594]
20 \div 15 = 1 \dfrac{1}{3}
62.5 \times 1 \dfrac{1}{3} \\ = 83.3

Answer is 83.3 hours.

Hope this helps. - M
3 0
3 years ago
Read 2 more answers
dynasty has a saving account with a starting balance of 250. She decide to add 15 per week write the function notation
tester [92]

Answer:

y = 250 + 15x

Step-by-step explanation:

8 0
3 years ago
200 kg of brass is melted down and cast into ornamental frogs, each weight 3/20kg. How many frogs are made?
Savatey [412]

Answer:

1,333 frogs

Step-by-step explanation:

okay so we know that mass remains conserved no matter where you are.

same here ^^

if the total mass of brass is 200 kg

the total mass of the new frogs formed from it when put together will be the same :)

and if there were n such frogs formed

we have,

total mass = n × mass of each frog

200 = n × 3/ 20

n = 4000/ 3

so it becomes something like 1,333.33

that is nearly 1,333 frogs can be made out of 200 kg of brass each weighing 3/ 20kg (the last ones a bit less to make upto 200kg)

5 0
3 years ago
Rachel wants to use the Distributive Property to rewrite 72 + 45. Which expression could she use?
kiruha [24]

72 and 45 can both be divided by 3.

So,

72 + 45

= 3 (24 + 15)

6 0
3 years ago
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