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Basile [38]
3 years ago
9

B(c) is a function. 1 2 L 3 А B(C) O A. True O B. False

Mathematics
1 answer:
siniylev [52]3 years ago
8 0
I think it’s a function!
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What is the equation of the line?
Oksi-84 [34.3K]
First find the slope of the line. Slope is defined as the change in y over the change in x.

m = \frac{y_2 - y_1}{x_2 - x_1}

Find two ordered pairs and plug them into the slope formula.

After looking at the graph, I found two points: (0, 1) and (4, 4)

\frac{4 - 1}{4 - 0} = \frac{3}{4}

Now find where the line intersects the y-axis.

After looking at the graph, I found out that the line intercepts the y-axis at
(0, 1)

Now build the slope-intercept equation.

General form: y = mx + b
Where m is the slope and b the y-intercept

So, the answer is y = 3/4m + 1
8 0
3 years ago
Wyatt does 29 push-ups in the morning and 36 more push-ups in the evening. If he does the same number of push-ups every day of t
borishaifa [10]

Answer: 1,820 Pushups

Step-by-step explanation: 29+36=65

65 x 7 (days in a week)=455

455 x 4(as in the 4 weeks)=1,820 Pushups total

I hope this helped! let me know if you need more help! :)

6 0
3 years ago
What is the radius of a cone if its height is 9 inches and its volume is 150.72 cubic inches? (Use 3.14 for π.)
Maksim231197 [3]
The radius of the cone would be 4

4 0
3 years ago
An airplane with a speed of 120 knots is headed west while a 30-knot wind is blowing from 120°. Find the ground speed to the nea
SVEN [57.7K]

Answer:

Velocity of the plane relative to the ground

= [(-145.98î) + (15j)] knots

Magnitude = groundspeed = 146.75 knots

Direction = -5.9°

Step-by-step explanation:

This is a relative velocity question.

Let the velocity of the airplane relative to the wind be V(aw)

Velocity of the airplane relative to the ground = Va

The velocity of the wind relative to the ground = Vw

The relative velocity theory enables us o relate these as thus,

V(aw) = Va - Vw

Va = V(aw) + Vw

V(aw) = (-120î) knots (120 west)

For Vw, the wind is said to be blowing from 120°, reading this on a three figure bearing as angle from the north,

This gives the real direction of the wind to be 150° from the positive x-axis as shown in the attached image.

Vw = (30cos 150°)î + (30sin 150°)j

Vw = (-25.98î + 15j) knots

Va = V(aw) + Vw = (-120î) + (-25.98î + 15j)

Va = (-145.98î) + (15j)

Magnitude of Va = √[(-145.98)² + (15)²] = 146.75 knots

Direction = tan⁻¹ (-15/145.98) = -5.9°

Hope this Helps!!!

3 0
4 years ago
What is equivalent expression 9y+y
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Answer:

10y

Step-by-step explanation:

9y+y=

10y

4 0
4 years ago
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