3 years ago

HELP PLEASE LAST QUESTION I NEED!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Montano1993 [528]3 years ago

7 0

Answer:

I believe the answer is c.

Step-by-step explanation:

nydimaria [60]3 years ago

5 0

The question is a little blurry. I can't read it.

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Find the cost price when,<br>(a) Selling price = Rs 725 and 15% gain

Debora [2.8K]

Step-by-step explanation:

Selling Price (SP) = Rs. 725

profit rate (P%) = 15 %

Now

Cost Price (CP)

$= \frac{sp \: \times 100}{100 + p\%} \\ = \frac{725 \times 100}{100 + 15} \\ = \frac{72500}{115} \\ = rs \: 630.42$

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2 years ago

12x - 5 = 8x - x + 50<br> Help please show work and check the solution

Inga [223]

Answer:

x = 11

Step-by-step explanation:

$12x - 5 = 8x - x + 50 \\ 12x - 5 = 7x + 50 \\ 12x - 5 - 7x = 7x + 50 - 7x \\ 12x - 7x - 5 = 50 \\ 5x - 5 = 50 \\ 5x - 5 + 5 = 50 + 5 \\ 5x = 55 \\ x = 11$

and check:

$12(11) - 5 = 8(11) - (11) + 50 \\ 132 - 5 = 77 + 50 \\ 127 = 127$

3 0

3 years ago

Daniel buys a basket of eggplants on sale for $25 before tax. The sales tax is 4%. What is the total price Daniel pays for the b

Nataly_w [17]

$26.

Do 25 X .04 = 1
25+1=26

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3 years ago

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One hamburger and one coke cost $3.20. Three hamburgers and one coke cost $8.00. Find the cost of one hamburger.

Varvara68 [4.7K]

Answer:

$0.80

Step-by-step explanation:

-3 (1x + 1y = 3.2)

3x + 1y = 8

----------------

-3x - 3y = -9.6

3x + 1 y = 8

-------------------

0x -2y = -1.6

÷ -2

-----------------

y = 0.8

one hamburger costs $0.80

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2 years ago

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Define a set x of numbers as follows. <br> b. 2 ∈ x. r1. if x ∈ x, so is 10x.

jeka57 [31]

B is the correct anse]wer

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3 years ago

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