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maks197457 [2]
2 years ago
11

-1/5a+21=23 whats the answer

Mathematics
2 answers:
katrin [286]2 years ago
7 0
-a+105=115
-a= 115-110
-a=10
divide both sides by -1
answer : a=-10
sp2606 [1]2 years ago
6 0

Answer:

A =  -10

Step-by-step explanation:

Combine multiplied terms into a single fraction find common denominator etc etc.

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a veterinary researcher takes an srs of 60 horses presenting with colic whose average age is 12 years. the average age of all ho
Ghella [55]

Answer:

The value 10 years is the population mean

Step-by-step explanation:

A sample consists of some observations drawn from the population, so a part or a subset of the population which in this case is the number of horses with colic.

A sample mean is the mean of the statistical samples while a population mean is the mean of the total population.

Thus, in this case, the sample mean is the mean age of the horses with colic while the population mean age is the mean age of all the horses found at the clinic.

Therefore, the mean age of 10 of the horses seen at the clinic would be the population mean.

4 0
3 years ago
How much will you get paid if you work 28.5 hours for $7.75 per hour?
jonny [76]

$220.87 , (it would be $220.88 if you have to round up though

4 0
3 years ago
IN ΔBCD line N is the perpendicular bisector of BC and line M is the perpendicular bisector of CD
Helga [31]

Answer:

Correct answer is D(the intersection of lines N and M)

Step-by-step explanation:

we Know that  circumcenter of a triangle is  point at which the perpendicular bisectors of the sides of a triangle intersect and which is equidistant from the three vertices. In other words circumcenter of a triangle is the center of the circle which  passes through the vertices of the triangle. It means, any side of the triangle will act as a chord of the circumcircle. Hence the circumcenter of a triangle must lie on the perpendicular bisectors of the sides. therefore the intersection of line N and M must be  circumcenter of the triangle.

I hope this answer will help you

4 0
3 years ago
What is 1 + 1 - 10 -50 -40 x 9877 -7000 + 500 - 600 X 564847584 -38339
ikadub [295]

Answer:

-338908990377

Step-by-step explanation:

that is the answer

3 0
3 years ago
Ashley started a savings account with Chase bank. She initially put in $200 in her account. If she was granted a .08% semi-annua
Alex Ar [27]
200 * .08 = 16
account now equals 216
216 * .08 = 17.28
total after one year = $233.28

7 0
3 years ago
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