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inna [77]
2 years ago
13

What y-5>2x-10 looked like graphed

Mathematics
1 answer:
Ganezh [65]2 years ago
3 0

Answer:

Step-by-step explanation:

y-5>2x-10

put y on one side and rest on the other side of the > or greater than sign

to solve this

pretend > is an equal sign

y-5>2x-10

put +5 on both sides to get rid of -5

+5+y-5>2x-10+5

y>2x-5

for a quick graph use numbers that will give you quick y values like

x=0, reciprocal like 1/2 , numbers that will you get you 0 like 2.5 , 5 [and same in negative -1/2 , -2.5 , -5]

x=0 [y= -5]

positive

y>2x-5

x=.5 or 1/2 (so that 2x becomes 1)  [y= -4]

x=2.5 (so that 2x becomes 5)  [y= 0]

x= 5  [y= -5]

negative

y>2x-5

x= - .5 or - 1/2 (so that 2x becomes -1)  [y= -6]

x= -2.5 (so that 2x becomes 5)  [y= -10]

x= -5  [y= -15]

quick plot points

(0,-5) , (1/2,-4) , (2.5,0) , (- 1/2, -6) ,  (-2.5, -10) ,  (-5, -15)

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A sport store pays its wholesaler $40 for a baseball bat, and then sells it to a customer for $76. What is the markup rate?​
Korvikt [17]

Answer:

Markup 90%

Step-by-step explanation:

If $40 is  100% of the price

  then

$76 is  ..........x

Cross multiplication

40(x)  =  76(100)

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Divide by 100

x = 190

190%  = 100% + 90%

That  means that the price  is the whole price(100%) plus 90%

so the markup is 90%

  ANOTHER WAY:

The difference in prices is $76-$40=$36. So, we need to find what percentage of 40 is 36.

We do this by dividing: 36/40=0.9, which is 90%. So, the markup is 90%.

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3 years ago
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Answer:

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7 0
3 years ago
Read 2 more answers
Sorry about the last question i forgot to put the picture but i need help cause i don't get it
kupik [55]

Answer:

21:8

Step-by-step explanation:

<u>Given information:</u>

Lori (x) is 8 years old.

In 5 years (x + 5), Philip will be twice Lori's age (y + 5 = 2(x + 5))

<u>The missing value, y, is needed to find the ratio for Lori's and Philip's ages in the present. To find y, solve this equation:</u>

y + 5 = 2(x + 5)   First, distribute the 2 into x + 5.

y + 5 = 2x + 10   Next, isolate the variable y by subtracting 5 from both sides.

y = 2x + 5           After that, add in the value of x, 8.

y = 2(8) + 5         Finally, simplify the right side to find Philip's age.

y = 16 + 5

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<u>Now for the easiest part: The ratio of Philip's age now to Lori's age now.</u>

because 21 is not divisible by any of 8's factors, the current ratio of 21:8 cannot be simplified further.

So, the ratio is 21:8

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14 quarters and 16 dimes
I think ?





8 0
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