All categories

3 years ago

Which is the equation of a line parallel to the line with the equation: Y= -3x + 5

Mathematics

1 answer:

igor_vitrenko [27]3 years ago

5 0

A

for it to be parallel it has to have the same slope, so it has to be the one with -3x

You might be interested in

What two numbers multiply to -126 and add up to -65

Airida [17]

Xy = -126
x + y = -65

$xy = -126$
$\frac{xy}{x} = \frac{-126}{x}$
$y = \frac{-126}{x}$

$x + y = -65$
$x + \frac{-126}{x} = -65$
$\frac{x^{2}}{x} + \frac{-126}{x} = -65$
$\frac{x^{2} - 126}{x} = -65$
$-65x = x^{2} - 126$
$0 = x^{2} + 65x - 126$
$x = \frac{-(65) \+ \sqrt{(65)^{2} - 4(1)(-126)}}{2(1)}$
$x = \frac{-65 \± \sqrt{4225 + 504}}{2}$
$x = \frac{-65 \± \sqrt{4729}}{2}$
$x = \frac{-65 \± 68.8}{2}$
$x = \frac{-65 + 68.8}{2}$ $or$ $x = \frac{-65 - 68.8}{2}$
$x = \frac{3.8}{2}$ $or$ $x = \frac{-133.8}{2}$
$x = 1.9$ $or$ $x = -66.9$

x + y = -65
  1.9 + y = -65
- 1.9   - 1.9
y = -66.9
  (x, y) = (1.9, -66.9)

or

  x + y = -65
  -66.9 + y = -65
+ 66.9 + 66.9
y = 1.9
  (x, y) = (-66.9, 1.9)

The two numbers that add up to -65 and can multiply to -126 are the numbers -66.9 and 1.9.

3 0

4 years ago

Given: 3 − 2(x + 4) = 13 prove: x = −9

Brums [2.3K]

Answer:

I hope this helps:))

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Is 432 divisible by 9<br> I’m looking for the estimate 432 divided by 9

Monica [59]

Answer:

Yes (432 = 9 x48).

Step-by-step explanation:

The trick you need to know is the theorem that says that if the digits in a number add up to a multiple of 9, then the number itself is divisible by 9.

So we go 4+3+2 = 9.

So as this sum of 9 is divisible by 9, it means 432 is also divisible by 9.

If you want to work out the actual answer of 432 divided by 9, you can estimate it by doing 450 ÷ 9 = 50. Then see that 432 is 18 less than 450. And 18 = 2x9. So the answer to the division is 50-2 = 48.

5 0

3 years ago

Do I use LCM or HCF? And how can I decide which to use? (Brainliest if you can answer the whole thing)

kow [346]

Answer:

As far as i know you should go for LCM that would be more convenient and easy to do

4 0

3 years ago

PLZ HELP ME, I WILL GIVE U A BRAINLIEST

alexdok [17]

Answer:

i dont see it

Step-by-step explanation:

6 0

3 years ago