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nata0808 [166]
3 years ago
5

I need help on these problems because I don’t really get it

Mathematics
1 answer:
sleet_krkn [62]3 years ago
3 0
So for these equations you want to solve for Y
Simply the equation till you get something that looks like Y=X+5 (or any number)
Then plug in the X into your equation
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What is the selling price of a $2,499 motorcycle if a $249 discount is given?
erma4kov [3.2K]
The answer is $2,250. (D). To get the answer you do 2,499-249= 2,250. Hope this helps!!
5 0
3 years ago
Please help me thanks
PilotLPTM [1.2K]
6x + 45 + 3x = 180
9x - 45 = 180
9x = 135
x = 15
8 0
3 years ago
Please help<br>explain one and I'll figure out the rest thanks
Nookie1986 [14]
The page gives you the information that 1 kg is equal to 1000 grams.
This means that you just need to multiply each kg by 1000.

e.g. 6.8 * 1000 = 6800

Hope this helps!
6 0
3 years ago
Read 2 more answers
A mixture of concrete is made up of sand and cement in the ratio of 5:3.How many cubic centimeters of sand is needed to make 160
bazaltina [42]

Answer: 100\ cm^3

Step-by-step explanation:

Given

The ratio of mixture of sand and cement is 5:3

If the total volume of mixture is 160\ cm^3

Suppose there is 5x and 3x cubic centimeter of sand and cement respectively i.e.

\Rightarrow 5x+3x=160\\\Rightarrow 8x=160\\\Rightarrow x=20\ cm^3

Sand 5x=5\times 20=100\ cm^3

So, there is 100\ cm^3 of sand in the mixture

3 0
3 years ago
Adult tickets to the fall play cost $8 and student tickets cost $4. The drama class sold 30 more adult tickets than student tick
Arada [10]
8a+4s=840
a=s+30
8(s+30)+4s=840
12s+240=840
12s=600
s=50

A=s+30
a=50+30
a=80

The drama play sold 80 adult tickets
8 0
3 years ago
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