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vivado [14]
3 years ago
11

9x-4 (x-3)+72 Find X A. 6 B. 12 C. 17 D. 19

Mathematics
1 answer:
Jet001 [13]3 years ago
3 0

Answer:

c

Step-by-step explanation:

9x-4 (x-3)+72

9x-4x+12+72

5x+84

5x/5 + 84/5

x=17

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A person bought some cosmetics from wholesale market at the rate of Rs 360 per dozen he sells it at Rs 80 a pair find the gain p
marusya05 [52]

Answer:

33.33%

Step-by-step explanation:

We need to calculate the <u>unit selling price and cost of each cosmetics.</u>

If a person bought some cosmetics from wholesale market at the rate of Rs 360 per dozen., then for 1 cosmetics, we will say;

x = 1 cosmetic

since 360 = 12 cosmetic

cross multiply

12x = 360

x = 360/12

x = 30

Hence the unit cost price of the cosmetics will be Rs. 30

Similarly, if he sells it at Rs 80 a pair, then he sold one cosmetic at 80/2 = Rs. 40 (a pair is 2 cosmetics)

Selling price per unit = Rs. 40

Cost price per unit = Rs. 30

percent gain = SP-CP/CP * 100%

percent gain = 40-30/30 * 100

percent gain = 10/30 * 100

percent gain = 100/3

percent gain = 33.33%

Hence the percentage gain is 33.33%

5 0
3 years ago
Given b(x) = X+41, what is b(-10)?
spin [16.1K]

Answer:

b(10) = 31

Hope this helps!

6 0
3 years ago
Vector has x, y, and z components of 4.00, 4.00, and 1.00 units, respectively. calculate the magnitude of .
Molodets [167]
Magnitude  = sqrt (4^2 + 4^2 + 1^2)  = sqrt 33  Answer
5 0
3 years ago
Year Cash Flow (A) Cash Flow (B)
jeka57 [31]

Answer:

2.46

3.63

195,929.85

236,551.79

35.39

34.31

B

Step-by-step explanation:

Explaining it is kind of akward, but I can explain if you want.

Not too sure about the last one, but the rest I feel good about

4 0
3 years ago
Oliver has d dimes and q quarters. He has at least $4 worth of coins altogether. Write
8_murik_8 [283]

Answer:

Step-by-step explanation:

d = dimes and q = quarters

0.10d + 0.25q > = 4 (thats greater then or equal to)

6 0
3 years ago
Read 2 more answers
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