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Katarina [22]
3 years ago
11

Which statement is true about the sides

Mathematics
2 answers:
BaLLatris [955]3 years ago
8 0
The answer is C the 3rd answer choice
rusak2 [61]3 years ago
5 0

Answer:

wrong i just took test and it said it was not correct

Step-by-step explanation:

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A line with a slope of -10 passes through the points of (10, -7) and (9,j) what is the value of j?
CaHeK987 [17]
So, using our given information, we have a line of the equation y+7=-10(x-10), or y=-10x+93. Plugging in our value 9 for x, we get j = -10(9)+93 = 3.

j=3
7 0
3 years ago
Graph the image of triangle PQR after a reflection across the line y = 2​
ololo11 [35]

Answer: Refer to the diagram below

  • P ' is at (-7, 9)
  • Q ' is at (1, 9)
  • R ' is at (-6, 4)

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

Explanation:

The diagram shows how point R moves to R'. We move up 2 units going from R(-6,0) to (-6,2). This lands us on the line of reflection. Then we move another 2 units up to land on (-6,4) which is the location of point R'.

The other points P and Q follow the same idea. Though the distances will be different from R. For P and Q, we'll move 7 units up to arrive at the line of reflection, then another 7 units to arrive at the proper locations of P' and Q', which are (-7,9) and (1,9) respectively.

3 0
3 years ago
John’s parents recorded his height at various ages between 36 and 66 months.
timurjin [86]

Answer:

Step-by-step explanation:

a)General least square regression line is ,

Y=a+(b*x)

Where,a=intercept. b= slope

To get line just find values of a and b.

Use Excel to find values.

First enter values of variable "age" that is y in the column A that is A1to A5 and values of variable "height" in the column B, B1 to B5.

Then for value of a use functufuas ,

=INTERCEPT(A1:A5,B1:B5)

Then hit enter ,therefore a=20.4595

For b use function as. =SLOPE(A1:A5,B1:B5)

Then hit enter.therefore b=0.3738

Therefore equation of least square regression line is

Y=20.4595+(0.3738*x)

b) to predict height at age 21 years or 252 month just put value of x=252 in the above equation.

Y=20.4595+(0.3738+252)

Y=20.4595+94.1976

Y=114.6571

Conclusion: height will be 114.6571 inches when age change by 1 unit.

7 0
3 years ago
Last month, Carter earned $165 for his after-school job. If he was paid $8.25 per hour, how many hours did Carter work?
azamat

Answer:

20

Step-by-step explanation:

165 divided by 8.25 is 20.

6 0
3 years ago
Read 2 more answers
5M + 10 = 3M - 4
andrezito [222]

Answer:

The answer is D

Step-by-step explanation:

7 0
3 years ago
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