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tatyana61 [14]
3 years ago
15

first car consumed 35 gallons of gas the second one consumed 15 gallons of gas. the combined total was 1825 miles. the sum of th

eir eggicenieewas 75 miles per gallon. what were the efficiencies of each car​
Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
3 0

Answer:

use energy effience method

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Select the correct answer. robin randomly selects a number between 1 and 20. what is the probability that the number selected is
Vlada [557]

The probability that the number selected is the square of a natural number will be  \frac{1}{5}.

<h3 /><h3>What is probability?</h3>

Probability means possibility. It deals with the occurrence of a random event. The value of probability can only be from 0 to 1.

Its basic meaning is something is likely to happen. It is the ratio of the favorable event to the total number of events.

P is the probability

F(E) is the favorable event

T(E)is the total event

The probability is found as;

\rm P = \frac{F(E)}{T(E)} \\\\ \rm P = \frac{4}{20)} \\\\ \rm P = \frac{1}{5}

Hence the probability that the number selected is the square of a natural number will be  \frac{1}{5}.

To learn more about the probability link is given below.

brainly.com/question/795909

8 0
2 years ago
What is X for? x+20=35-4x
Helen [10]
X+4x=35-20. 5x=35-20. 5x=15. X=3
4 0
2 years ago
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The area of a triangle is<br> A = bh/2<br> What would be the formula for h?
babymother [125]

Answer:

h = 2A/b

Step-by-step explanation:

multiply both sides by 2

2A = bh

divide both sides by b

2A/b = h

8 0
3 years ago
In two or more complete sentences describe the process in writing the equation of a line given two points?
Alona [7]

Answer:

First, we have to find slope. We do that by using slope formula. Once we have found slope, we have start to write our equation in slope-intercept form. To get the complete equation, we need to find the y-intercept. To do so, we simply plug in one of the coordinates given to us into our half-formed equation. We should be able to find the y-intercept and then have our complete linear equation once we write it all out.

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

Slope Formula: m = \frac{y_2-y_1}{x_2-x_1}

4 0
3 years ago
Which of the following types of graphs is best for plotting the mean, median, and mode of data?
frutty [35]

Answer:

Stem-and-leaf. You can use a stem-and-leaf plot to find the mean, median and mode of a set of data.

5 0
2 years ago
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