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Evgesh-ka [11]
2 years ago
9

Please help if your good at maths :(on the image with the steps Please ​

Mathematics
1 answer:
lesya692 [45]2 years ago
5 0
The answer might be 8
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Someone please help, 100 points.
Over [174]
Part 1
Let:
y be the total cost
x be the number of tickets
a be fair admission

Since the fair charges $1.25 per ticket, the equation of the line would look like:

y = 1.25x + a

Since Johnny spent $43.75 and bought 25 tickets, we find a by replacing y with 43.75 and x with 25:

43.75 = 1.25×25 + a

Now solve for a

43.75 = 31.25 + a
43.75 - 31.25 = a
a = 12.50

Going back to the first equation:

y = 1.25x + 12.50


Part 2:
a) Let (9,8) be (x1,y1) and (4,-12) be (x2,y2)
The formula for slope is:
m =  \frac{y2 - y1}{x2 - x1}  \\ m =  \frac{ - 12 - 8}{4 - 9}  \\ m =  \frac{ - 20}{ - 5}  \\ m = 4
b) For the point-slope equation, I'll use (9,8)
Using the formula:
y - y1 = m(x - x1) \\ y - 8 = 4(x - 9)
c) For the slope-intercept form, we solve for y in the point-slope formula:
y - 8 = 4(x - 9) \\ y = 4x - 36 + 8 \\ y = 4x - 28
5 0
2 years ago
Answer ASAP and only if you know its correct<br><br> Brainliest to the correct answer!
rewona [7]

Hi!

Your answer is the 1st one, <u>36 inches of ribbon.</u>

The question states this is a square picture frame. That means that all the side lengths are the same.

We are given a side length of 6 inches.

In order to find the area of a square, we multiply the length and the width together, but since they are the same value, we are just doing 6 x 6.

6*6=36

5 0
1 year ago
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How many 4 person committees are possible from a group of 12?
larisa86 [58]
This is a combination question
Hope this helps

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3 years ago
Can you find the missing angle measurements
yarga [219]
Here is the answer for the question

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3 years ago
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You have four ice cubes in your cup of lemonade each ice cube has a length of 2 1/4 cm a width of 2 2/3 cm and a height of 2 cm
Margarita [4]

Answer: 6

Step-by-step explanation:

4 0
3 years ago
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