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algol [13]
3 years ago
6

which of the following is the equation of a line in slope-intercept form for a line with slope -5 and y-intercept at (0,-3)

Mathematics
2 answers:
jeka57 [31]3 years ago
6 0
Slope-intercept form is y=mx+b
With m meaning the slope and b the y-intercept. Thus, y=-5x-3
Licemer1 [7]3 years ago
6 0

Y= 5x - 3

Apēx 2020

Just took that one

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a lakeis 200ft wide. two boats start to move towards one another from opposite shores.In one minute ,the first boat goes 40 ft a
IrinaVladis [17]

The distance between the boats after 1 minute would be 130 ft.

Given that a lake is 200ft wide, and two boats start to move towards one another from opposite shores, and in one minute, the first boat goes 40 ft and the second one goes 30 ft, to determine what would be the distance between the boats after 1 minute the following calculation must be performed:

  • Total width - boat distance 1 - boat distance 2 = Distance after 1 minute
  • 200 - 40 - 30 = X
  • 130 = X

Therefore, the distance between the boats after 1 minute would be 130 ft.

Learn more about maths in brainly.com/question/25808345

6 0
2 years ago
Shawna is saving money to buy a new laptop. She starts her savings with $64. Each week, she adds another $17 to her savings. Gra
Ray Of Light [21]

Answer:

4 weeks

Step-by-step explanation:

5 0
3 years ago
Select all the situations that describe a probability of 1/6 of drawing a red marble out the bag.
konstantin123 [22]
The correct answer is E (6 red, 4 yellow, 8 green, 6 blue, 12 white).

E) 6 + 4 + 8 + 6 + 12 = 36 (total marble count)
6 red/36 total marbles
simplify to find the probability ⬇️
(6/6=1; 36/6=6) = 1/6 chance of picking red
6 0
3 years ago
Rewrite the quadratic function in vertex form.<br> Y=2x^2+4x-1
Fantom [35]

Answer:

\large\boxed{y=2(x+1)^2-3}

Step-by-step explanation:

The vertex form of an equation of a parabola:

y=a(x-h)^2+k

(h, k) - vertex

We have

y=2x^2+4x-1=2\left(x^2+2x-\dfrac{1}{2}\right)

We must use the formula: (a+b)^2=a^2+2ab+b^2\qquad(*)

2\left(x^2+2(x)(1)-\dfrac{1}{2}\right)=2\bigg(\underbrace{x^2+2(x)(1)+1^2}_{(*)}-1^2-\dfrac{1}{2}\bigg)\\\\=2\left((x+1)^2-1-\dfrac{1}{2}\right)=2\left((x+1)^2-\dfrac{3}{2}\right)

Use the distributive formula a(b + c) = ab + ac

2(x+1)^2+2\left(-\dfrac{3}{2}\right)=2(x+1)^2-3

5 0
3 years ago
Use the drop-down menus to complete each equation so the statement about its solution is true.
tino4ka555 [31]

Answer:

No solutions: 7−5+3x−1= 3x + 7

One solution: 7−5+3x−1= 2x + 4

Infinitely Many Solutions  7−5+3x−1= 3x + 1

Step-by-step explanation:

No solutions means it results in no x and a false statement like 3 = 0.

One solution means it results in x = a number.

Infinite solutions means its results in no x and in a true statement like 3=3.

  • So to get No solutions: 7−5+3x−1= 3x + 7

This will eliminate the x and result in 1 = 7 which is false.

  • One solution: 7−5+3x−1= 2x + 4

This will result in x= 3

  • Infinitely Many Solutions  7−5+3x−1= 3x + 1

This will eliminate the x and result in 1 = 1 which is true.

7 0
4 years ago
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