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Vika [28.1K]
4 years ago
14

Can someone help me solve this (it’s for a grade)

Mathematics
1 answer:
zloy xaker [14]4 years ago
3 0
It would be y=1/2x-7 and y=-7/8x+4. Now all you need to do is graph it. Sorry I can't graph it I'm on a bus.
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Carpeting costs $9.99 a yard. If Jan buys 17.4 yards, how much will it cost her? (Round your answer to the nearest hundredth)
slega [8]

Answer:

173.83

Step-by-step explanation:

17.4*9.99= 173.826

173.826 -> 173.83

8 0
3 years ago
The perimeter of a rectangle can be found using the formula P = 4 s .<br><br><br> True or False
Minchanka [31]

Answer:

{ \underline{ \sf{true}}}

6 0
3 years ago
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A backpack costs $18 and has a 7 percent tax. How much will Sheila have to pay for the BBC avkpack after tax
gayaneshka [121]
Price before tax = $18

Tax = 7% x $18 = 0.07 x 18 = $1.26

Price after tax = $18 + $1.26 = $19.26

Answer: $19.26
3 0
3 years ago
The temperature was less than -15°C. Write an equality and three possible solution.​
Dmitry_Shevchenko [17]

Answer:

x < -15*C (I can’t make the degrees sign on my iPad, so I put * instead).

3 Possible Answers:

-38*C

-26*C

-57*C

Step-by-step explanation:

Inequality:

x = temperature

< = less than

-15*C = the amount the temperature was less than

3 Possible Outcomes:

Because the temperature is less than -15*C, it can literally be any number that is farther down the number line. Because it’s a negative number, anything like -14, -13, -12, and so on would actually have a greater value (think of it as in being less in debtm or in this case, less below zero). Instead, you’ll do any number like -16, -17, -18, and so on. You can even do a decimal number, like -19.5. I hope this makes sense to you!

4 0
4 years ago
Which of the following constants can be added to x2 + x to form a perfect square trinomial?
agasfer [191]

Answer:

x^2+x + 1/4

Step-by-step explanation:

x^2+x

Take the coefficient of x

1

divide by 2

1/2

Square it

(1/2)^2 = 1/4

Add this to make a perfect square trinomial

8 0
4 years ago
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