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leva [86]
3 years ago
5

ANYONE PLEASE WITH THIS QUESTION!

Mathematics
1 answer:
professor190 [17]3 years ago
6 0
Answer: 2 hours

Explanation: As Jenny left the hospital 3 hours before Kristin and was travelling at 30 km/hour she should have gotten 90 km before Kristin started driving. As Kristin was travelling at 75 km/hour she will get 45 km closer to Jenny every hour (30-75= (-45)). 45 km/90 km= 2 hours to catch up.
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Help me with geometry plzzzzzzzzzzzzzzzzzzzz
Natalija [7]

Answer:

x = 17

Step-by-step explanation:

A triangle's sum is 180 degrees, hence

6x + 10 + x + 17 + 4x - 34 = 180.

11x + 10 + 17 - 34 = 180

11x - 7 = 180

11x = 187

x = 17

hope this helps and is right!! p.s. i really need brainliest :)

3 0
2 years ago
Read 2 more answers
Simplify and Evaluate
zalisa [80]
\dfrac{2^{-1} + 5^{-1}}{10^{-1} - 5^{-2}} =

= \dfrac{\frac{1}{2} + \frac{1}{5}}{\frac{1}{10} - \frac{1}{5^2}}

=\dfrac{\frac{1}{2} + \frac{1}{5}}{\frac{1}{10} - \frac{1}{25}}

=\dfrac{\frac{5}{10} + \frac{2}{10}}{\frac{5}{50} - \frac{2}{50}}

=\dfrac{\frac{7}{10}}{\frac{3}{50}}

= \frac{7}{10} \times \frac{50}{3}

= \frac{7}{1} \times \frac{5}{3}

= \frac{35}{3}


4 0
3 years ago
Why do I think I'm ugly
Tanya [424]

Answer:

Ok listen here

Step-by-step explanation:

You are like the earth.

On the inside is a bright center and lava. When lava comes to the surface as a volcano, many people think it's ugly and dangerous, but other people think that it's beautiful.

We all know that a lot of people think the surface of the earth is ugly, and they have given up hope that people can change it, but the truth is that, the world is beautiful and we can change it.

You are beautiful and the people on your earth are represented as your brain. Your brain needs to tell you to look at yourself and to say that you are beautiful. You can change your mindset to tell you that you don't care what other people say, all that matters is what you say.

Always remember that :)

7 0
2 years ago
Read 2 more answers
Julissa is running a 10-kilometer race at a constant pace. After running for 18 minutes, she completes 2 kilometers. After runni
allochka39001 [22]

After running for 18 minutes, Julissa completes 2 kilometers. If she is running a 10-kilometer race at a constant pace, then she comletes 1 kilometer after running 9 minutes. Now you can find the distance she run after 1 minute. This is \dfrac{1}{9} km.

Let t be the time in minutes. Then k, the number of kilometers, can be found from proportion:

\dfrac{1}{9}\ km - 1 minute

k km - t minutes.

Thus,

\dfrac{\dfrac{1}{9}}{k}=\dfrac{1}{t},\\ \\k=\dfrac{1}{9}\cdot t.

Answer: k=\dfrac{1}{9}\cdot t.

7 0
3 years ago
Read 2 more answers
Damien is competing in both swimming and running at a competition. After analyzing himself and his competitors, he knows that he
leva [86]

Answer:

Probability = 0.2975

Step-by-step explanation:

Giving:

<u>Swimming</u>

P(Win[Swim])= 65\%

<u>Running</u>

P(Win[Run])= 85\%

<u>Required</u>

Determine the probability of winning at running and losing at swimming

First, we calculate the probability of losing at swimming using

P(Win) + P(Lose) = 1

Substitute 65% for P(Win)

65\% + P(Lose[Swim]) = 1

Collect Like Terms

P(Lose[Swim]) = 1 - 65\%

P(Lose[Swim]) = 35\%

The required probability is then calculated using:

Probability = P(Win[Run]) * P(Lose[Swim])

Probability = 85\% * 35\%

Convert to decimal

Probability = 0.85 * 0.35

Probability = 0.2975

5 0
2 years ago
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