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sineoko [7]
3 years ago
5

PLS ANSWER HELP IF U SEE THIS I GIVE FREE BRAINLY

Mathematics
1 answer:
babunello [35]3 years ago
5 0

Answer:

-7

Step-by-step explanation:

77 ÷ (-11) = -7

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Quincy bought necklaces for $8.00 each. At what price would he need to sell them to make a 25% profit
Zepler [3.9K]

10 dollars. 8÷4=2. 8+2=10

25%= 4

6 0
3 years ago
Read 2 more answers
I need to solve for x, help please.
BaLLatris [955]

Answer:

x = 52   i hope this helps!   :)

Step-by-step explanation:

so first you gotta realize that every triangle has an interior angle measurement sum of 180 degrees

so we are given 3 angles   74 degrees  x + 2  and x

we now are going to put this into an equation   74 + x + 2 + x = 180

now lets combine like terms to get   76 + 2x = 180

then we are going to subtract the 76 from both sides   2x = 104

now lets divide both sides by 2   x = 52

so x = 52

we can plug in the value of x into both of the other equations to find the angle measurement

52 degrees

52 + 2 = 54 degrees

and then we have 74 degrees

add the 52, 54, and the 74 to make sure it is equal to 180 degrees

106 + 74 = 180

so yes, x does indeed equal 52 degrees

3 0
3 years ago
Read 2 more answers
Chloe made 8 out of 20 baskets in her basketball game. What is her<br> experimental probability? ???
Lerok [7]

10 would be 50% so 1 is 5% 5x8 =40

Her experimental probability is 40%

8 0
3 years ago
Find the speed of a car in miles per hour, if its wheels, that have a diameter of 18 inches, travel at a rate of 10 revolutions
Svetllana [295]

Answer:

Step-by-step explanation:

circumference=πd=π×18=18π in

distance covered in 1 sec=18π×10=180π in.

distance covered in 1 min=180π×60=10800π in

distance covered in 60 min=10800π×60=648000π in=648000π÷12=54000π ft

=54000π÷3=18000π yards=18000π÷1760≈32.13 miles per hour.

8 0
2 years ago
Help pls show work if needed
Likurg_2 [28]

Let's add up the given scores to get: 97+38+88+75+83 = 381. Then we divide by 5 since there are five scores here. The mean we get is 381/5 = 76.2

So that explains the "76.2" mentioned.

Now we'll replace the "38" with "58" and repeat the same steps as above.

Add: 97+58+88+75+83 = 401

Divide by five: 401/5 = 80.2

The mean is now 80.2; it has increased compared to the previous mean. We can see that if we move any outliers closer to the main cluster, then the mean will be centered more around the main cluster. In the other direction, if we move the outlier further away from the cluster, then the outlier pulls on the mean. Think of a magnetic or gravitational pull.

The smaller outlier 38 made the mean of 76.2 to be smaller than it should be if we focused on the other values only. In short, if your data set has outliers, then the mean may likely not reflect the true center average value of the group. At that point, the median may be the next best thing or you could use a trimmed mean.

6 0
2 years ago
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