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Assoli18 [71]
2 years ago
10

HELLPPPPPPPPP I HAVE TO DO THIS BEFORE 5:30​

Mathematics
1 answer:
stich3 [128]2 years ago
4 0

Answer:110

Step-by-step explanation: you can do this on a calculator for a faster answer sorry need to finish chem

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Will mark brainliest! 10 points!
Sonbull [250]

im not t he best at math but i think its a base on the question

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3 years ago
Y = –8x + 8<br> y = –8x + 8
fiasKO [112]

Answer:

x=0

y=8

Step-by-step explanation:

This is a simultaneous equation

So let's solve

y=-8x+8..(1)

y=-8x+8...(2)

Add (1) and (2)

2y=16

Make y the subject of formula by dividing both sides by 2

y=8

Substitute the value for y into (2)

8=-8x+8

Collect like terms

8-8=-8x

0=-8x

Divide both sides by-8

x=0

Therefore x is 0 and y is 8

5 0
3 years ago
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Alex73 [517]
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3 years ago
15$ then we’re marked down to 5$ what is the percent decrease
Juli2301 [7.4K]

Answer:

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Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
The price of a skateboard is 5 dollars less than 3 times the price of a pair of knee pads. Let k represent the price of the knee
makkiz [27]

Answer:

Price of skateboard= 3k-5

Step-by-step explanation:

Given: The price of a skateboard is 5 dollars less than 3 times the price of a pair of knee pads.

Lets assume the price of the knee pads be "k".

As given, The price of a skateboard is 5 dollars less than 3 times the price of a pair of knee pads.

∴ y-intercept is 5 and slope will be 3.

using y intercept expression to form an expression.

we know, y= mx+b

∴ Price of skateboard= 3\times k-5

Price of skateboard= 3k-5

Hence, expression for price of skateboard is 3k-5

8 0
3 years ago
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