Ask question

Ask question

All categories

3 years ago

5

Figure 2 shows that the travel time from x to y is 3 hours and 45 minutes. If Rihana needs to arrive at y before 12:45 p.m. , wh

at time does she have to get on the bus?
plss help me I will mark you as brainliest.plss

1 answer:

iren2701 [21]3 years ago

4 0

Answer:

at least by 11am because she can get on the bus and sit wherever she wants to

You might be interested in

What is 7643.63 rounded to the nearest dollar?

prisoha [69]

Answer:

7644

Step-by-step explanation:

Hope this helps!

6 0

2 years ago

3x^2+kx=-3 What is the value of K will result in exactly one solution to the equation?

Scorpion4ik [409]

Answer:

For k = 6 or k = -6, the equation will have exactly one solution.

Step-by-step explanation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = (x - x_{1})*(x - x_{2})$ , given by the following formulas:

$x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}$

$x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}$

$\bigtriangleup = b^{2} - 4ac$

If $\bigtriangleup = 0$ , the equation has only one solution.

In this problem, we have that:

$3x^{2} + kx + 3 = 0$

So

$a = 3, b = k, c = 3$

$\bigtriangleup = b^{2} - 4ac$

$\bigtriangleup = k^{2} - 4*3*3$

$\bigtriangleup = k^{2} - 36$

We will only have one solution if $\bigtriangleup = 0$ . So

$\bigtriangleup = 0$

$k^{2} - 36 = 0$

$k^{2} = 36$

$k = \pm \sqrt{36}$

$k = \pm 6$

For k = 6 or k = -6, the equation will have exactly one solution.

3 0

2 years ago

Jorge is running a race. In 2/3 of an hour, he ran 2 2/5 miles. At this rate, what distance will Jorge run in one hour?

jeka94

Answer:

321312313123

Step-by-step explanation:

because ur gay

7 0

3 years ago

Is (1, 3) a solution to the system of inequalities below?

Oxana [17]

<h3>Substitute and Check:</h3>

$y > 2x + 1 \\ 3 > 2(1) + 1 \\ 3 > 3 \\ false$

<h3>We can stop here and conclude that ( 1 , 3 ) is not a solution to this system, since it does not even satisfy the first equation, but check for the other one just in case:</h3>

$y < - 3x \\ 3 < - 3(1) \\3 < - 3 \\ also \: false$

8 0

2 years ago

If D =RT<br> Calculate the distance when the rate is 20 MPH and Time =15 hours

algol13

Answer:

300m

Step-by-step explanation:

Because d = rt
20 * 15 = 300

7 0

1 year ago