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inysia [295]
3 years ago
15

Help MOI Again PLEASE lol

Mathematics
2 answers:
natima [27]3 years ago
8 0

Answer:

-2

Step-by-step explanation:

-5a+20a+-4a_-6=-16

20a-9a+6=-16

11a+6=-16

11a=-16-6

11a=-22

a=-22/11

a=-2

Evgesh-ka [11]3 years ago
4 0

Answer:

-5a + 20a +-4a - -6= -16

Answer- a= -2

Step-by-step explanation:

Hope this helps!

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Khan sold his cycle at loss of 8%.had He sold it for 240 more he would have gained 12%
denpristay [2]

Khan sold his cycle at loss of 8%.had He sold it for 240 more he would have gained 12%. Then cost price is $ 1200 and selling price is $ 1104

<h3><u>Solution:</u></h3>

Assume the cost price be "a"

So the selling price of cycle = a - 8% of a

\text { selling price }=a-\frac{8 a}{100}=\frac{23 a}{25}

Now according to given, had He sold it for 240 more he would have gained 12%

Selling price + 240 = cost price + 12% profit

\frac{23a}{25} + 240 = a + \frac{12a}{100}

\frac{23a + 6000}{25} = \frac{100a + 12a}{100}\\\\92a + 24000 = 112a\\\\20a = 24000\\\\a = 1200

So the cost price is $ 1200

Now the selling price = \frac{23a}{25} = \frac{23 \times 1200}{25} = 1104

So the selling price is $ 1104

7 0
3 years ago
Rachel has taken 6 tests so far and has received scores of 83%, 92%, 79%, 88%, 89%, and 95%. What must Rachel receive on her sev
Vinil7 [7]
Let the score on her seventh test be "x".

SO,

\frac{83+92+79+88+89+95+x}{7} =90\\\\ \frac{526+x}{7}=90\\\\ 526+x=630\\\\x=630-526\\\\ \boxed{x=104}

∴ He must get 104% on his seventh test to get an average score of 90%
5 0
3 years ago
Read 2 more answers
Wich expression shows the product of 9 and a number?
Monica [59]

Answer:

There are two and they both mean the same thing.

Step-by-step explanation:

1. 9 x (times) n

2. 9n

I hope this helps u! :D

5 0
2 years ago
Write and solve a proportion to answer the question.
andreev551 [17]
Number 1 is 1/20 ,so number 0.5 is 1/40 of 20. so p=100/40 = 10/4 = 2.5%
so 0.5 is 2.5% of 20
proof: 2.5*20/100 =50/100 = 0.5

5 0
3 years ago
HELP!!!<br> write the linear equation of the given table
Nesterboy [21]

Answer: y = 1.5x + 3

Step-by-step explanation:

5 0
2 years ago
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