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xz_007 [3.2K]
3 years ago
13

A student found the slope of a line that passes through the points (3, 15) and (5, 9) to be . What mistake did he make?

Mathematics
2 answers:
Virty [35]3 years ago
8 0
A reciprocal, or multiplicative inverse, is simply one of a pair of numbers that, when multiplied together, equal 1. If you can reduce the number to a fraction, finding the reciprocal is simply a matter of transposing the numerator and the denominator so the answer is he used the recpriocal of the slope.
Olenka [21]3 years ago
4 0
I hope this helps you



slope=y2-y1/x2-x1


slope=9-15/5-3


slope= -6/2


slope = -3
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What is the definition of mean???
Scilla [17]
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Let's say this is my data set:
1, 2, 5, 4, 3, 8, 7, 4, 6,10

To find the mean...
Step 1: Add all of them together.
1+2+5+4+3+8+7+4+6+10 is what? 50. Now that you have this number...
Step 2: Divide by the amount there are. Basically, count up all of the numbers. How many are there? There are 10. Finally...
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3 0
3 years ago
If the dimensions of a pentagonal prism are quadrupled, then the surface area of the prism is multiplied by eight.
Lubov Fominskaja [6]

Answer:

false

Step-by-step explanation:

the relationship between lengths/dimensions and areas is that areas are created by multiplying 2 dimensions.

when you quadruple (×4) the dimensions, then the areas are growing with the square of the factor (×4×4 = ×16), because the factor goes twice into the multiplication : one time for every dimension involved.

so, quadrupling the dimensions would multiply the areas by 16.

8 0
3 years ago
Find the value of x and y of the equilateral triangle. I need it ASAP
katrin2010 [14]

Answer:

x=12, y=30

Step-by-step explanation:

to find x:

in a equilateral triangle, all three sides are congruent, so:

4x-4=3x+8

x-4=8

x=12

to find y:

in an equilateral triangle, all the angles are 60°, so:

2y=60

y=30°

7 0
2 years ago
Which graph represents the solution to the compound inequality?
zmey [24]

The graph which represents the solution to the compound inequality is; -2 ≤ x < 5.

<h3>Which graph represents the solution to the compound inequality?</h3>

The inequalities given in the task content can be solved as follows;

For –2x + 4 ≤ 8

-2x ≤ 8 -4

x >= -2

For –2x + 4 > –6

–2x > –6 -4

x < 5

Hence, the graph which represents the solution to the compound inequality is; -2 ≤ x < 5.

Read more on compound inequality;

brainly.com/question/7070563

#SPJ1

3 0
2 years ago
61% of 180 ?
poizon [28]
First, when multiplying percents, you need to convert them to decimals. You convert percents to decimals by multiplying by 100 or moving the decimal two places to the left. Once you convert them to full decimals, you multiply the decimal by the number that you are getting the percentage from

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</u>16 \frac{1}{2} of 36?⇒16.5×36⇒.165×36=<u>5.94

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76% of 600⇒.76×600=<u>456</u>

88% of 680⇒.88×680=<u>598.4</u>

37% of 481⇒.37×481=<u>177.97</u>

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41% of 321⇒.41×321=<u>131.61</u>

33% of 331⇒.33×331=<u>109.23</u>



8 0
3 years ago
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