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3 years ago

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Mathematics

1 answer:

NARA [144]3 years ago

4 0

put your question properly

Step-by-step explanation:

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Write the times of four trains as 12 hr. clock a. 14:32 b. 16:30 c. 06:45 d. 10:29

romanna [79]

Answer:

a 2:32

b 4:30

c 6:45

d 10:29

6 0

3 years ago

Two planes simultaneously left the Washington and LA and headed towards each other. The distance between the cities is 2700 mile

katrin2010 [14]

Answer:

Speed of the plane from Washington: $500\ mph$

Speed of the plane from LA: $600\ mph$

Step-by-step explanation:

We need to remember that:

$d=Vt$

Where "d" is distance, "V" is speed and "t" is time.

Let be "w" the speed in mph of the plane from Washington and "l" the speed in mph of the plane from LA.

We know that the distance between the cities is 2700 miles and after they flied for 2 hours, the distance between them was 500 miles. Then we can write the following equation:

$2w + 2l + 500 = 2700$ [Equation 1]

Since the speed of the plan from LA was 100 mph faster, we can write this equation:

$l=w+100$ [Equation 2]

The steps to solve this are:

1. Substitute the Equation 2 into the Equation 1 and solve for "w":

$2w + 2(w+100) + 500 = 2700\\\\4w+200+500=2700\\\\w=\frac{2000}{4}\\\\w=500$

2. Substitute the value of "w" into the Equation 2 in order to find "l":

$l=500+100\\\\l=600$

7 0

4 years ago

Please help it's for my homework, It's easy I'm just dum...

rusak2 [61]

First, since it's given the angle PRS=98 degrees we can find x.

(3x-8)+(2x+6)=98 we can solve for x

after solving this we find that

x=20

Now we can solve for angle QRS

2x+6 plug in our values and we get

40+6, which equals 46 degrees

4 0

3 years ago

A circle has a radius of 19m . find the degree measure of the central angle θ that intercepts an arc of length 4m .

arlik [135]

I hope this helps you O/360.2pi.19=4 O/180.3,14.19=4 O=12.0°

5 0

3 years ago

(-3, 6) & m = -¹/2 what’s this equation in point slope form

Gre4nikov [31]

The equation of the line in point-slope form is y - 6 = (-1/2)(x - (-3)) which can be simplified as x + 2y = 9.

The equation of a line that has a slope m, and passes through the point (x₁, y₁) is given by the point-slope form of a line, which can be shown as:

(y - y₁) = m(x - x₁).

In the question, we are asked to find the equation of the line in point-slope form, that passes through the point (-3, 6) and has a slope m = -1/2.

We know that the equation of a line that has a slope m, and passes through the point (x₁, y₁) is given by the point-slope form of a line, which can be shown as:

(y - y₁) = m(x - x₁).

Taking (x₁, y₁) as (-3, 6) and m = -1/2, in the point-slope form, we get the equation of the line as;

y - 6 = (-1/2)(x - (-3)).

This can be simplified as:

2y - 12 = - x - 3,

or, x + 2y = 9.

Thus, the equation of the line in point-slope form is y - 6 = (-1/2)(x - (-3)) which can be simplified as x + 2y = 9.

Learn more about the point-slope form at

brainly.com/question/11624671

#SPJ9

4 0

1 year ago