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padilas [110]
3 years ago
9

Situation The context you find yourself in is Electronics store owner. The name of your store is Electro Hut. As an owner you wa

nt to make a profit. You need to price the products you are selling, but need to make sure that overall you have 30% profit, but two of the products you sell require you to sell them for a price set by the manufacture.​
Mathematics
1 answer:
denis-greek [22]3 years ago
8 0
It would be 30%profit it in so it would be 3.00
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Which equation represents a line which is perpendicular to the line 5y-4x=-15 5y−4x=−15?
Lady bird [3.3K]
Y = -5/4x + b is the equation that represents a line that is perpendicular to the line 5y-4x=-15

If you want it in standard form, it is 5x+4y=-15
4 0
3 years ago
25 pts to who ever can help with this question:
pentagon [3]

Answer:

A. 5s+2

B. 8s+8

C. 75

D. 27

Step-by-step explanation:

Is difficult to read the exact expressions. If a mistake is present then fix the number and use the same method.

A. The perimeter of the square is all 4 equal sides added together. The length of a side is \frac{5s+2}{4}. Since there are four sides then:

P= \frac{5s+2}{4}+\frac{5s+2}{4}+\frac{5s+2}{4}+\frac{5s+2}{4} = 5s+2

Adding 1/4+1/4+1/4+1/4=1. This applies here leaving 5s+2 as the answer.

B. The perimeter of the rectangle is all four sides added together. A rectangle has two pairs of equal side so P = 2l+2w.

P = 2(s+9) + 2(3s-5)\\P = 2s+18 +6s-10\\P=8s+8

C. If s=5 then the sum of the two perimeters is:

5s+2+8s+8

5(5)+2+8(5)+8

25+2+40+8

75

D. Subtract the two perimeters by computing s=7:

8s+8 -(5s+2)

8s+8-5s-2

8(7)+8-5(7)-2

56+8-35-2

64-35-2

29-2

27


3 0
3 years ago
Find the mean and standard deviation of the data. Round to the nearest tenth. 542, 150, 134, 101, 757, 262, 303, 825, 957, 290,
kotegsom [21]
Mean is 444.6
Standard deviation is 311.1
4 0
3 years ago
How to slove step by step
wariber [46]
\frac{x+3}{12} = \frac{2}{7}

Multiply both sides by 12, so that we get rid of the fraction in x.

12 · (x+3)/12 = 2/7 · 12

Simplify.

x + 3 = 24/7

Then, subtract 3 from both sides, so that "x" gets isolated.

x = 24/7 - 3

Turn "3" into an improper fraction so that we could find the value of x easier.

3 = 21/3

So :

x = 24/7 - 21/7

Simplify.

x = 3/7

~Hope this helps!~


7 0
3 years ago
The temperature is 3C at sunrise. By noon ,the temperature changes by 5C. What could be the temperature at noon?
kaheart [24]

Answer:

it could either be 8C or -2C

Step-by-step explanation:

7 0
3 years ago
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