MATHEMATICS HIGH SCHOOL

Which line of the following is the equation of a line in slope intercept for for a line with slope =2 and y intercept at (0,3)

Answers

Answer 1
Answer:

Answer:

y = 2x + 3

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 = 2 and c = 3 , thus

y = 2x + 3 ← equation of line

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Tan154-tan49/1+tan154tan49

*all are in degrees.
What does sin, cos, and tan equal?

Answers

tan(154)-tan(49)=-1.638...
Ans/(1+(tan(154)tan(49))
=-3.73205

Which shows 4x + 2y = –16 in slope-intercept form? Question 4 options: y = 2x - 8 y = -2x - 8 y = 1/2x - 8 y = 1/2x - 16

Answers

y=-2x-8 is the answer

A football is kicked toward the goal. The height of the ball is modeled by the function h(t) = -16t2 + 64t where t equals the time in seconds and h(x) represents the height of the ball at time t seconds. What is the axis of symmetry and what does it represent? t = 2; it takes 2 seconds to reach the maximum height and 2 seconds to fall back to the ground
t = 2; it takes 2 seconds to reach the maximum height and 4 seconds to fall back to the ground
t = 4; it takes 4 seconds to reach the maximum height and 4 seconds to fall back to the ground
t = 4; it takes 4 seconds to reach the maximum height and 8 seconds to fall back to the ground

Answers

h(t) = -16(t^2) + 64t

roots:

0 = -16t^2 + 64t
0 = t^2 - 4t
0 = t(t-4)
t=0 and t =4

The symmetry axis is at the middle of the two roots: t = (0+4)/2

That time (t=2)  is what it takes the object to reach the maximum height.

Answer: t = 2; it takes 2 seconds to reach the maximum height and 4 seconds to fall back to the ground

Answer: B/ it takes 2 seconds to reach the maximum height and 4 seconds to fall back to the ground

Step-by-step explanation:

At what times of the day between 10:00 A.M. and 5:00 P.M. do the chemistry presentation and the recycling presentation start at the same time? SCIENCE MUSEUM
-Show Schedule-
Chemistry-Every 10 minutes
Electricity-Every 20 minutes
Recycling-Every 6 minutes
Fossils-Every 45 minutes

The first showing for all shows is at 10:00 A.M.

Answers

Okay, Chemistry runs every 10 minutes and the Recycling runs every 6 minutes. In order to find what time they both start at the same time you must find the lowest common multiple (if you are using mathematical terminology). To do this the long but visual way you can write out each of the times and find the first ones that are the same.
Chemistry: 10:00  10:10  10:20  10:30
Recycling:  10:00  10:06  10:12  10:18  10:24  10:30
As you can see both Chemistry and Recycling both have a LCM of 10:30 which tells us that the time for which both Chemistry and Recycling start at the same time during the show is 10:30AM.

Final answer:

The chemistry and recycling presentations coincide every 30 minutes starting from 10:00 A.M. They will occur at the same time at 10:30 A.M., 11:00 A.M., 11:30 A.M., etc., until 5:00 P.M.

Explanation:

To solve this problem, we need to find the common multiple of 10 and 6, which is the frequency in minutes of the chemistry and recycling presentations respectively. The least common multiple (LCM) of 10 and 6 is 30. So, the chemistry and recycling presentations will coincide every 30 minutes.

Starting at 10:00 A.M., they would coincide at 10:30 A.M., 11:00 A.M., 11:30 A.M., and continue in this pattern until 5:00 P.M.

Learn more about least common multiple here:

brainly.com/question/34291727

#SPJ11

Find the following measure for this figure. Volume =
18 cubic units
24 cubic units
36 cubic units

Answers

The figure on the picture is parallelepiped (or right rectangular prism), whose volume is icalculated as V=lwh, where l measures the length, w measures the width and measures the altitude of parallelepiped.

In your case, l=4 units, w=2 units, h=3 units and V=4×2×3=24 cubic units.

Answer:

So the answer is 24 cubic units

Step-by-step explanation:

l=4 units,

w=2 units,

h=3 units and

V=4×2×3=24 cubic units.

The scatter plot shows a​ hiker's elevation above sea level during a hike from the base to the top of a mountain. The equation of a trend line for the​ hiker's elevation is y equals=9.069.06xplus+651651​, where x represents the number of minutes and y represents the​ hiker's elevation in feet. Use the equation of the trend line to estimate the​ hiker's elevation after 175 minutes.

Answers

Answer:

2236.5

Step-by-step explanation:

The regression equation for predicting hiker's elevation is

y=9.06x+651.

Here x is the number of minutes.

We wish to estimate hiker's elevation after 175 minutes. For this purpose we put x=175 in the predicted regression equation.

y=9.06(175)+651

y=1585.5+651

y=2236.5

Thus, the hiker's elevation after 175 minutes is 2236.5 feet.
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