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viktelen [127]
3 years ago
8

Can you help me on number 3

Mathematics
1 answer:
katovenus [111]3 years ago
7 0

Answer:

it is 11

Step-by-step explanation:

if you add 15 and 13 you get 28.

39-28= 11

then you check your work

15+13=28+11=39

You might be interested in
Consider the line x+5y=6
Tems11 [23]

Answer:

x + 5y = 6 is perpendicular to y = 5x + \frac{6}{5} and parallel to y = -\frac{1}{5}x + 2\\

Step-by-step explanation:

First, convert the equation to standard form so that y is isolated.

x + 5y = 6 --> x - 6 = -5y (divide both sides by -5) --> y = -\frac{1}{5}x + \frac{6}{5}

A perpendicular line will have a slope that is the opposite reciprocal of the original slope (meaning you flip the numerator and denominator then make it negative).

-\frac{1}{5} is perpendicular to -(\frac{-5}{1} ) which simplifies to 5.

A parallel line will have the same slope, but the y-intercept will be different. It can be pretty much any number as long as the original slope is used in the new equation.

y = -\frac{1}{5}x + \frac{6}{5}\\ is parallel to y = -\frac{1}{5}x + 2\\ just like y = -\frac{1}{5}x - \frac{100}{23}.

6 0
3 years ago
What is x please help
NeTakaya
Your x will be -60 because you subtract 9x from 8x that equal-1 and you divide it by 60 because if you add 42+18 it will be 60 so you divide 60 by -1 and the answer will be -60
5 0
3 years ago
Need help with this lol
Kisachek [45]

Answer:

D

Step-by-step explanation:

hope this helps with your work

8 0
3 years ago
Read 2 more answers
Can y’all help me out?
Harlamova29_29 [7]
20/x+11=10/x+3
20(x+3)=10(x+11)
20x + 60 = 10x + 110
10x = 50
x = 5
6 0
3 years ago
Plz help me plz help ​
Elza [17]

the answer for this question is 3,4and5

6 0
3 years ago
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