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2 years ago

- C C) C.P = Rs 20, profit Rs 2, S.P. -

Mathematics

1 answer:

balu736 [363]2 years ago

6 0

Answer:

$cp = p + sp \\ \\ cp = 2 + 20 \\ \\ cp = 22$

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Shawna does her math homework every night. Last night, Shawna spent 45 minutes solving 15 math problems. Tonight, she needs to s

Zielflug [23.3K]

Answer: 30 minutes
How: 45 minutes divided by 15 math problems equal 3 minutes per math problem. 3 minutes per math problem times 10 math problems equals 30 minutes on 10 math problems.
45/15=3
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3 years ago

Which of the following phrases translates to m - 7?

Sindrei [870]

m is an unknown number that is being decreased by 7.

OPTION A IS WRONG BECAUSE MATHEMATICALLY IT IS WRITTEN AS

$7 - m$

B IS WRONG BECAUSE IT MEANS

$7 - m$

C IS WRONG BECAUSE IT MEANS

$7 - m$

BUT D IS THE ANSWER BECAUSE IT MEANS

$m - 7$

SINCE m IS TREATED AS AN UNKNOWN NUMBER.

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1 year ago

Factor: 28k^3-24k^2+49k-42<br><br> I will give Brainliest to the first person :)

seropon [69]

Answer:

$(4k^2+7)(7k-6)$

Step-by-step explanation:

Factor each half of the expression separately:

$4k^2(7k-6)+7(7k-6)$

Since both 4k² and 7 are being multiplied by (7k-6), we can combine them to get:

$(4k^2+7)(7k-6)$

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2 years ago

Read 2 more answers

Find the x <br> Please help me and show how you got it :)

Kaylis [27]

9514 1404 393

Answer:

x = 4

Step-by-step explanation:

The parallel lines divide the sides proportionally, so ratios of corresponding sides are the same.

(x +5)/15 = (5x +1)/35

Multiplying by 105, we have ...

7(x +5) = 3(5x +1)

7x +35 = 15x +3 . . . . . eliminate parentheses

32 = 8x . . . . . . . . . subtract 7x+3 from both sides

4 = x . . . . . . . . divide by 8

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3 years ago

What is the surface area of this shape?

never [62]

Answer:

138.3

Step-by-step explanation:

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3 years ago

- C C) C.P = Rs 20, profit Rs 2, S.P. -​

- C C) C.P = Rs 20, profit Rs 2, S.P. -