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PilotLPTM [1.2K]
3 years ago
12

HELP ME PLS !!!!!!!!!

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
4 0
Y=mx+b b is the y intercept which is 4
m is the slope which is rise over run which is -4/2 which is -2
Linear y=-2x+4
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What addition doubles fact can help you find 4+3? Explain how you know
Delicious77 [7]
The answer you are looking for is 3.5+3.5. This is because a doubles fact are any two of the same numbers that are added together.
5 0
3 years ago
Ms. Salgado needs to have her car repaired but does not want to spend more than $375 for the repairs. The mechanic says that the
elixir [45]

Answer:

The mechanic will need to finish in 4 hours.

Step-by-step explanation:

100+40=140

40+40=80

40+40=80

40

140 +80 + 80+ 40= 340

8 0
3 years ago
The price of a dvd is $24.00 plus 8% sales tax. What is the sales tax on this dvd in dollars and cents
Andreas93 [3]
You would have to multiply $24 by 8% and then subtract from the total.

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6 0
3 years ago
Read 2 more answers
How do you do x=2y+3 <br> 2x-3y=4
Rom4ik [11]
\left \{ {{x=2y+3} \atop {2x-3y=4}} \right. \\\\2(2y+3)-3y=4\\4y+6-3y=4\\4y-3y=4-6\\y=-2\\\\x=2\cdot(-2)+3\\x=-4+3\\x=-1\\\\ \left \{ {{y=-2} \atop {x=-1}} \right.
8 0
3 years ago
Find a cubic polynomial in standard form with real​ coefficients, having the zeros 4 and 5i. Let the leading coefficient be 1.
SCORPION-xisa [38]
If one of our zeros is 4, then the factor is x-4.  If the second zero is 5i, then the conjugate root theorem says there HAS to be a root that is -5i.  So our 3 factors are (x-4)(x+5i)(x-5i).  We will FOIL out these factors to get the polynomial.  Let's start with the ones that contain the imaginary numbers.  Doing that mutliplication we get x^2-25i^2.  i^2 is equal to -1, so what that expression simplifies down to is x^{2} +25.  Now we will multiply in that last factor of (x-4):  (x^2+25)(x-4).  FOILing out we have x^3-4x^2+25x-100.  There you go!
3 0
4 years ago
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