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Virty [35]
3 years ago
8

What is the Equation of a line that has a slope of -3 passes to the point (4,-5)

Mathematics
2 answers:
vodomira [7]3 years ago
6 0

Answer:

y = - 3x + 7

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - 3 , thus

y = - 3x + c ← is the partial equation

To find c substitute (4, - 5) into the partial equation

- 5 = - 12 + c ⇒ c = - 5 + 12 = 7

y = - 3x + 7 ← equation of line

ololo11 [35]3 years ago
4 0

Answer:

y= -3x + 7:)

Step-by-step explanation:

Hope this helps!

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You want to make a large bowl of salad to share with your friends. Your brother eats 1/3 of it before they come over.
Furkat [3]
<span>Lets think the entire bowl of salad as 1 unit. Now your brother eats one-third. So the remaining salad is 1 minus 1/3 . And now you want to divide the remaining salad evenly among 6 friends. so it is 1-(1/3) divided by 6. To put it in one single expression, it is (1-(1/3)) / 6</span>
8 0
4 years ago
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DerKrebs [107]
Answer: 4/6
Step by step explanation:
4 0
3 years ago
Write x^4+4x^3+5x^3-20x-40 ÷ x^2-5
marysya [2.9K]

Write - x^4+4x^3+5x^3-20x-40 ÷ x^2-5


Word form-

x raised to the power of four plus four x to the power of three plus five x raised to the power of three minus twenty x minus fourty divided by x raised to the power of two minus five


Numerical form-

x^4+4x^3+5x^3-20x-40 ÷ x^2-5

4 0
4 years ago
What is 613157 rounded to the nearest hundred thousand
lawyer [7]

Answer:

600,000

Step-by-step explanation:

Your answer would be 600,000 because in the hundred thousands place there is a 6.

And that 6 in the hundred thousands place is asking the ten thousands place for help also the digit in the ten thousands place is a 1.

So if you know the rule the 6 can't round up because the 1 is below 4./the rule is 4 and below keep it low 5 or more give it one more.

Ok so the 1 is below 4 and can't bring 6 up so 6 has to stay in it's lane at 600,000

Hope this helps have a great afternoon:)

5 0
3 years ago
Read 2 more answers
For a repeated-measures study comparing two treatments with a sample of n = 9 participants, the difference scores have a mean of
Korolek [52]

Answer: Estimated standard error for the sample mean difference would be 1.

Step-by-step explanation:

Since we have given that

Mean of MD = 4.90

So, Sum of difference would be

4.9\times 9=44.1

S = 288

n = 9

We need to find the standard error for the sample mean differences.

Estimated standard error for the sampled mean difference would be

\dfrac{\sqrt{Sum(D^2)-(\dfrac{sum(d)^2}{n})}}{n(n-1)}}\\\\=\dfrac{\sqrt{288-\dfrac{44.1^2}{9}}}{9(9-1)}\\\\=0.99\\\\\approx 1

Hence, estimated standard error for the sample mean difference would be 1.

6 0
3 years ago
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