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Nookie1986 [14]
3 years ago
15

What is the yintercept of the line given by the equation below?

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
8 0

Answer:

C

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 )

y = 4x - 6 ← is in slope- intercept form

with y- intercept c = - 6 ⇒ (0, - 6 )

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A scuba diver is 30 feet below the surface of the water 10 seconds after he entered the water and 100 feet below the surface aft
den301095 [7]

Answer:

2.3 feet/ second

Step-by-step explanation:

To find the rate of change, we will have to find the difference in his distance travelled and divide it by the time taken to move that distance.

This is given by rate of change = (change in position)/ change in time

From the question, his position changed from 30 ft to 100 ft thus the distance he travelled is = 100ft - 30 ft = 70 ft.

Time taken to travel this distance = 40 seconds - 10 seconds = 30 seconds

Diver's rate of travel = 70 ft / 30 seconds = 2.33333ft/second.

Rounding off the answer to the nearest tenth, we have 2.3 ft/second

5 0
3 years ago
What’s the answer and how do I solve this ?
sammy [17]
Y = (x +  3)² - 2
you get this by... uh, moving the vertex of the parabola three to the left (+3) and down two (-2)...
6 0
3 years ago
Read 2 more answers
HELPPP I SUCK AT MATH
e-lub [12.9K]
I think the answer is 6
4 0
3 years ago
What does the algebraic representation (x,y) → (-x, y) represent?
torisob [31]

Answer:

The given algebraic representation (x,y) → (-x, y) represents the reflection of a point (x, y) across the y-axis.

Step-by-step explanation:

We know that when a point P(x, y) is reflected across the y-axis, the x-coordinate changes/reverses its sign, but the y-coordinate stays the same.

Thus, the rule of reflection of a point P(x, y) across y-xis is:

P(x, y) → P'(-x, y)

For example, if a point A(1, 2) is reflected across the y-axis, the coordinates of the image A' of the point A(1, 2) will be:

A(1, 2)  → A'(-1, y)

In our case, we are given the  algebraic representation

(x,y) → (-x, y)

Here:

  • The x-coordinate changes/reverses its sign
  • The y-coordinate stays the same.

Thus, the given algebraic representation (x,y) → (-x, y) represents the reflection of a point (x, y) across the y-axis.

6 0
2 years ago
What is the simplest form of this expression 2(y-1)+8
snow_tiger [21]

Answer:

2y + 6

Step-by-step explanation:

2(y - 1) + 8

2y - 2 + 8

= 2y + 6

3 0
3 years ago
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