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Lilit [14]
2 years ago
5

Please help me please it’s this question

Mathematics
1 answer:
Lera25 [3.4K]2 years ago
7 0
Subtract 124 and 18
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The local sports shop has backpacks on sale for $28. The original price was $40. What is the percent decrease for the backpack p
emmainna [20.7K]
30%. 40-28 =12. 12/40 =30%
5 0
3 years ago
1 For each line
Elena-2011 [213]

Step-by-step explanation:

I'll do line A for you and you can use the formulas to solve lines B and C yourself, since its good for you to practice doing these questions yourself

a)

The gradient, m, is calculated using m = (y2-y1)/(x2-x1) where x1,x2,y1 and y2 can be any ordered pairs on the line.  I'm going to use (4,0) and (7,3) as the 2 points.

m = (3-0)/(7-4) = 3/3 = 1

b)

The y-intercept is where the line intersects with the x-axis. In this case (0,-4)

c)

The equation of a linear line is y=mx+b (or c depending on which country you are from)

y = 1x-4

y=x-4

Now try the other 2 lines yourself!

If this answer has helped you, considered making this the brainliest answer!

5 0
2 years ago
If 8 feet of fencing costs $12.40 , how much does 36 feet of fencing cost?
Vesnalui [34]

Answer:

$55.80

Step-by-step explanation:

8, 16, 24, 32, 36

8=12.40, 16=24.80, 24=37.2, 32=49.6,

+4 makes it 36 so it's have of 8, so add 6.20 to the end and it's 55.80

6 0
2 years ago
TO WHOEVER ANSWERS THIS QUESTION WILL RECIEVE A BRAINLIEST! I NEED THIS IN 1 HR SO PLEASE RESPOND AS SOON AS POSSIBLE!! THANKS!!
xz_007 [3.2K]

51.25 per month which is $615 per year

They save 5 per month if they pay full year


(51.25-5)= 46.25 per month is $555


so it costs $555 if they pay all at once.

5 0
2 years ago
Read 2 more answers
William runs 5 meters in 20 steps. How many kilometers will he run if he takes 1,000 steps ?
kap26 [50]
This means 5 meters/20 steps = x/1,000 steps. 20 times 50 is 1,000, so 5 times 50 is 250 meters. 5/20 can be also reduced to 1/4 = x/1000. Use cross products rule to get 4x = 1,000. Divided both sides by 4 to get x = 250 meters.
3 0
3 years ago
Read 2 more answers
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