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Alexxx [7]
3 years ago
9

Ron co. sold sweatshirts for $20 and baseball caps for $10. A total of 154 sweatshirts and baseball caps were sold for total sal

es of 2,860. How many of each did Ron co. sell?
Mathematics
2 answers:
Mashutka [201]3 years ago
7 0
S + c = 154....s = 154 - c
20s + 10c = 2860

20(154 - c) + 10c = 2860
3080 - 20c + 10c = 2860
-20c + 10c = 2860 - 3080
-10c = - 220
c = -220/-10
c = 22 <=== baseball caps

s + c = 154
s + 22 = 154
s = 154 - 22
s = 132 <==== sweatshirts


aliya0001 [1]3 years ago
6 0
He sold 77 sweatshirts that got him 1540 dollars and 77 hats that got him 1320 dollars witch is total of 2,860 dollars and 154 idems
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3 years ago
Which of the following could be its equation?
mrs_skeptik [129]

So to solve problems like these you can work out each equation by substituting the x and y with the coords from the vertex (2,-4) and which ever one is true is the corresponding equation.

Lets try the first one

A) y = 2( x-2)^2-4    this would become

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   -4 = -4  

so it seems like A is the correct answer, of course we'd wanna check out the other answers just to be sure.

Lets try one and do C

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5 0
3 years ago
What is 2x+3+8x=3x+9x+7
Reika [66]

Answer:

x=-2

Step-by-step explanation:

Hey there!

In order to solve this equation, you need to combine like terms

The equation after combining the x terms and the contants will look like this

10x+3=12x+7

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2 years ago
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bagirrra123 [75]

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Step-by-step explanation:

4 0
3 years ago
mean of 164,175,178,166,167,145,176,150,174,162,180,156,173,158,182,184,160,172,186,168,195,169,171,187,170
Karo-lina-s [1.5K]

Answer:

170.72

Step-by-step explanation:

to find the mean, we must add al the numbers and divide it by n

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164,175,178,166,167,145,176,150,174,162,180,156,173,158,182,184,160,172,186,168,195,169,171,187,170 we have to add al these numbers and divide it by 25

sum- 4628 divided by 25

=170.72

7 0
2 years ago
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