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REY [17]
2 years ago
15

The table shows the number of miles that a car travels and the gallons of gasoline it uses to go those distances.

Mathematics
1 answer:
PtichkaEL [24]2 years ago
8 0

Answer:

4 -.-

Step-by-step explanation:

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Explain how similar objects and proportions are related. It's talking about polygons in geometry
malfutka [58]

Related sides the the same ratio so if I have a square with side length 10 and a similar one with side length of 5 the ratio is 1/2 when going from big to small or 2/1 when going small to big.  This is true for all sides.  This allows you to find missing sides using proportions.  

5 0
3 years ago
Find the sum of the measures of the interior angles of a polygon with 41 sides
Zolol [24]

Answer:

the formula is (n-2)180 degrees

so its 7020

8 0
2 years ago
Sandra's scores on the first 4 tests were 87%, 92%, 76%,and 89%. What is the minimum score she needs to make on the fifth test s
sergejj [24]

Answer:

Sandra need to score at least <u>56%</u> in her fifth test so that her average is 80%.

Step-by-step explanation:

Given:

First 4 test scores = 87%, 92%, 76%,89%

Average targeted = 80%

We need to find the minimum score she needs to make on fifth test to achieve average of at least 80%.

Solution:

Let the minimum score she needs to make in fifth test be 'x'.

Total number of test = 5

Now we know that;

Average is equal to sum of all the scores in the test divided by number of test.

framing in equation form we get;

\frac{87+92+76+89+x}{5}=80

Multiplying both side by 5 we get;

\frac{344+x}{5}\times 5=80\times 5\\\\344+x=400

Subtracting both side by 344 we get;

344+x-344=400-344\\\\x=56\%

Hence Sandra need to score at least <u>56%</u> in her fifth test so that her average is 80%.

5 0
3 years ago
5/9 -7/15 divided by 1 5/9 ×7/15
Greeley [361]
Hi there,

the first part equals 4/45 and the second part equals 7/9

4/45 divided by 7/9 = 0.00141093474
Hope this helps :)<span>
</span>
3 0
3 years ago
Read 2 more answers
What is the slope and y-intrrcept of 5x-3y= -15
Ivahew [28]
<span>5x - 3y= -15
3y = 5x + 15
y = 5/3 x + 5

answer

slope m = 5/3
y intercept = 5</span>
4 0
3 years ago
Read 2 more answers
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