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yan [13]
3 years ago
12

Need done ASAPppppppp

Mathematics
1 answer:
ladessa [460]3 years ago
4 0

Answer:

a. Yes it's a proportional relationship. It is because Distance is travelled uniformly.

b. Unit is m/min^2.

c. It means he is travelling in meters with minutes counting how far he have travelled.

Hope this helped. Dont forget to give thanks.

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Write the equation y = -(x – 5)2 + 21 in standard form.
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Answer:

y = − x + 31

Step-by-step explanation:

y  =  − 2 x + 31

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A reflection and a glide are the same thing. <br> True or false?
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Briony invests some money. Interest is paid on the money at a rate of 2% per annum for the first year and 1% per annum for the s
nalin [4]

Answer:

Brionny invested £8400.

Step-by-step explanation:

Simple Interest

This is a simple interest problem.

The simple interest formula is given by:

E = P*I*t

In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

After t years, the total amount of money is:

T = E + P

In this question:

We divide in two intervals, the first year and the second year. We have to know that the amount after the end of the first year is the principal at the start of the second year.

First year:

Amount of 2% interest, during 1 year.

So the interest earned is:

E = P*I*t = P*0.02*1 = 0.02P

The total amount at the end of the first year is:

T = E + P = 0.02P + P = 1.02P

Second year:

We have that:

P = 1.02P

The interest earned is of:

E = P*I*t = 1.02P*0.01*1 = 0.0102P

The total amount is:

T = E + P = 0.0102P + 1.02P = 1.0302P

After two years, the investment is worth £8653.68 How much did Briony invest?

So

1.0302P = 8653.68

P = \frac{8653.68}{1.0302}

P = 8400

Brionny invested £8400.

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3 years ago
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Step-by-step explanation:

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3 years ago
Read 2 more answers
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-8x-2y=-24
-2y=-24+8x
2y=24-8x
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2 years ago
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