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3 years ago

HELP REALLY NEED HELP PLS :D WINNER GETS 8 POINTS

Mathematics

1 answer:

andrew-mc [135]3 years ago

4 0

The answer to this question is:

280ft^2 for surface area

The volume is 300ft^2

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(i) Challenge: Thembi received 8% discount on an item which cost

Paul [167]

Answer:

$x = 0.25$

Step-by-step explanation:

Given

$Cost\ Price = 6 + x$

$Discount =8\%$

$Amount\ Paid = R6 - x$

Required

Find x

First, we calculate the amount paid in terms of the cost price.

This is calculated using:

$Amount\ Paid = Cost\ Price * (100\% - Discount)$

$Amount\ Paid = (6 + x) * (100\% - 8\%)$

$Amount\ Paid = (6 + x) * 92\%$

Express as decimal

$Amount\ Paid = (6 + x) * 0.92$

Open bracket

$Amount\ Paid = 5.52 + 0.92x$

So, we have:

$Amount\ Paid = 5.52 + 0.92x$ and

$Amount\ Paid = R6 - x$ ---- given

Equate both

$6 - x = 5.52 + 0.92x$

Collect like terms

$- x -0.92x= 5.52-6$

$-1.92x= -0.48$

$1.92x= 0.48$

Solve for x

$x = \frac{0.48}{1.92}$

$x = 0.25$

8 0

3 years ago

If you save $3,000 at an interest rate of 14 percent per year, how much will you have at the end of six years? The interest shou

Musya8 [376]

Answer:

C.) $6,584.91

Step-by-step explanation:

Amount earned in compound interest = P(1 + r)^n;

where P is the principal,

r is the rate and n is the number of periods.

Amount = 3,000(1 + 14%)^6 = 3,000(1 + 0.14)^6 = 3,000(1.14)^6 = $6,584.91

7 0

3 years ago

What would be the answer to 5/4 + 2/-9? How would you solve that? And if you could, could u leave the steps and then put the ans

Gemiola [76]

Answer: 37/36

Step-by-step explanation: find the lowest common multiples of 4 and -9 and the answer is -36

7 0

3 years ago

Https://cook.owschools.com/media/g_alg02_ccss_2016/4/q16210.gif

labwork [276]

Im assuming your supposed to find like terms soo... as my final answer i got 11m-3n-13

3 0

4 years ago

When 7/8x^2-3/4 x is subtracted from 5/8x^2-1/4x+2 the difference is?

artcher [175]

7/8x²-3/4x - 5/8x²-1/4x+2

x²/4-x+2

4 0

4 years ago

Read 2 more answers