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svlad2 [7]
2 years ago
8

In the figure above, lines x and y are

Mathematics
1 answer:
Vilka [71]2 years ago
5 0

Answer:

Step-by-step explanation:

a=180 -75

a=105 degree

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-3x+4y=-4 -2x+5y=9<br>solve the following system of equations
Vesnalui [34]

the answer is x= 8, and y=5

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3 years ago
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It’s moving day and Lydia has packed her books into a large and small boxes. The large boxes hold 35 book and the small ones hol
Natali5045456 [20]

Answer:

4 large , 14 small

Step-by-step explanation:

35*x +20*(18-x)=420

35x +360-20x=420

35x-20x=420-360=60

15x= 60

x =4

4 large  14 small

5 0
3 years ago
The length of a basketball court is twice its width. The perimeter is 150 feet. Find the length and width of the basketball cour
lukranit [14]

Answer: W=25 and L=50

Step-by-step explanation: I first started out with 50, because 50 is half of 100. 50 divided by 2 equals twenty five. Now, I moved on to 100. 100 divided by 2 equals 50. 25+25+50+50=150.

8 0
2 years ago
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What is absolute deviation?​
zlopas [31]

The average absolute deviation (or mean absolute deviation ( MAD )) about any certain point (or 'avg. absolute deviation' only) of a data set is the average of the absolute deviations or the positive difference of the given data and that certain value (generally central values). answer:

Step-by-step explanation:

7 0
3 years ago
GUYS I NEED HELP ITS URGENT! WILL MARK BRAINLIEST!
Ad libitum [116K]

Answer:

k = 13 The smallest zero or root is x = -10

===============================

Work Shown:

note: you can write "x^2" to mean "x squared"

f(x) = x^2+3x-10

f(x+5) = (x+5)^2+3(x+5)-10 ... replace every x with x+5

f(x+5) = (x^2+10x+25)+3(x+5)-10

f(x+5) = x^2+10x+25+3x+15-10

f(x+5) = x^2+13x+30

Compare this with x^2+kx+30 and we see that k = 13

Factor and solve the equation below

x^2+13x+30 = 0

(x+10)(x+3) = 0

x+10 = 0 or x+3 = 0

x = -10 or x = -3

The smallest zero is x = -10 as its the left-most value on a number line.

Hope this was Right

7 0
3 years ago
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