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Vedmedyk [2.9K]
3 years ago
11

3 - 5 helppp me pleasee??

Mathematics
1 answer:
Svet_ta [14]3 years ago
4 0
Well 3-5 is -2. But I can’t help you with the problems lol. Good luck
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In this diagram, each square represents 1 km. What is the displacement of the car?​
Brut [27]
<h3>Answer: C) 2 km west</h3>

Explanation:

With displacement, all we care about is the beginning and end. We don't care about the middle part(s) of the journey. So we'll take the straight line route from beginning to end when it comes to computing displacement.

We start at A(0,0) and end at B(-2,0). Going from A directly to B has us go 2 km west. Keep in mind that displacement is a vector, so you must include the direction along with the distance.

8 0
3 years ago
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X + 4y = 13 <br> x - y = 3<br> systems of equations I need help on a couple of these like ASAP
lara31 [8.8K]
A.)
Slope:-1/4
Y intercept: (0,13/4)
X intercepts:(13,0)
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4 0
3 years ago
Please help I give lots of points.
Minchanka [31]

Answer:

I believe your answer is z5√z the fourth option


7 0
3 years ago
GUYS PLEASE HELP ME PLEASE HELP PLEASE PLEASE!! Simplify and solve for the unknown. Use order of operations as needed. Check you
AURORKA [14]
The answer to your problem is five.

8 0
3 years ago
In 2013, a study found that U.S. consumers consumed soft drinks with a mean of 42.2 gallons per year and variance of 169. Ninety
melisa1 [442]

Answer:

Ninety-five percent of consumers in the U.S. consumed less than 63.59 gallons.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

The standard deviation is the square root of the variance, so \sigma = \sqrt{169} = 13

Also, the mean is 42.2, so \mu = 42.2

Ninety-five percent of consumers in the U.S. consumed less than how many gallons?

The 95th percentile, which is the value of X when Z has a pvalue of 0.95. So X when Z = 1.645

Z = \frac{X - \mu}{\sigma}

1.645 = \frac{X - 42.2}{13}

X - 42.2 = 13*1.645

X = 63.59

Ninety-five percent of consumers in the U.S. consumed less than 63.59 gallons.

4 0
3 years ago
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