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3 years ago

Find £83.70 as a percentage of £167.40

Mathematics

2 answers:

Bezzdna [24]3 years ago

4 0

The answer is 50 percent.
Please mark brainelist

Gnesinka [82]3 years ago

3 0

Answer:

50%

Step-by-step explanation:

Divide 83.70/167.40

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Suppose the cost of college tuition is expected to increase 5% every year. How much will the tuition at a comunity college cost

evablogger [386]

Answer:

$7,596.43

Step-by-step explanation:

The cost of the college tuition is increasing 5% compounded annually for 5 years.

∴ A = P(1 + r%)ⁿ

where A = tuition fee after 5 years.

P = current tuition

r = rate of increase

n = period

A = $5,952(1 + 5%)⁵

= $5,952(1 + 0.05)⁵

= $5,952 × 1.05⁵

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4 years ago

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What is the volume of a small cone if:

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Answer:

Volume of smaller cone =301.44

Step-by-step explanation:

First let angle of cone be $\alpha$ .

then $sin(\alpha )$ = 3/5 (For bigger triangle)

Same cone angle is for smaller one because they are similar.

$cos(\alpha )$ = 4/5

Now for smaller cone radius be R

3/5 =R/Slant height

Slant height =5/3R

Lateral surface area = $\frac{1}{2}R^{2}\beta$ [R = slant height]

Given lateral surface area =60 $\pi$ = $\frac{1}{2}(\frac{5R}{3} )^{2} \beta$ ...................................1

$2\pi R=\frac{5R}{3}\beta$ ................................................2

$\beta=\frac{6\pi }{5}$

Put angle beta in equation 1 and find the value of R

R =6 cm

Height = $\frac{4R}{3}$

Thus volume = $\frac{1}{3}\pi6^{2}*8$

=301.44

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3 years ago

Josie took a road trip. She drove for 45 minutes at 70 miles per hour. Then she drove for 15 minutes at 20 miles per hour. How f

fomenos

C. I'm pretty sure that's the answer I hope it helps

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3 years ago

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Answer:

Step-by-step explanation:

when a number is added at the end it results in a vertical transformation

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3 years ago

Y=2x+3<br> solve for y<br> help me plz

ruslelena [56]

Answer:

this is already solved.

Step-by-step explanation:

the only thing left would be graphing it.

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3 years ago