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Goshia [24]
3 years ago
8

I’m so lost how to answer what x and y equals to??

Mathematics
1 answer:
-Dominant- [34]3 years ago
4 0
Short answer: X=46°
Y=134°

So the line represents 180° since it is exactly half of 360°, the line is separated by two angles, an obtuse angle and an acute angle, we already know the value of the obtuse angle which is 134°, to find the degree of the acute angle we do:
180-134
180-134=46
The acute angle on the opposite side is 46°. Now the line intersecting the angles acts as a guide and if you look closely you can see that the angle on the second line is an inverted version of the first line. Seeing that you can now infer that Y=134° and X on the bottom line equals 46°. I hope this wasn’t too confusing since I tend to over explain myself.
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How do you find the percent of increase from 12 to 18?
olga nikolaevna [1]
Let's get the data out of the problem:

Nv = 18

Ov = 12

Now, we can apply in this equation that relates the new and the old values:

i = Nv / Ov

i = 18 / 12

i = 1.5

Now, we just consider what has passed from 1, and this is 0.5, converting to percentage it is:

p = 0.5 . 100

p = 50%

The increase was 50%.

Hope it helps.
4 0
2 years ago
1. In a game, if you roll a 6 on a 6-sided number cube, you lose a turn.
Mademuasel [1]
A) 1/6
B) 5/6
C) 1
D) 20

Explanation:

A) There is one 6 on a 6-sided die, out of 6 numbers.

B) There are 5 numbers that are not 6 on a 6 sided die, out of 6 numbers.

C) P( 6 or ~6) = P(6) + P(~6) = 1/6 + 5/6 = 6/6 = 1

D) 1/6(120) = 120/6 = 20
4 0
3 years ago
A jar contains 133. A bigger jar contains 1 2/7 times as many pennies.what is the value of the pennies in the bigger jar
adoni [48]
A jar contains 133 pennies....a bigger jar contains 1 2/7 times as much


so the bigger jar contains :
1 2/7 * 133
9/7 * 133 =
1197/7 =
171 pennies <===
4 0
3 years ago
Divide 2.875x10^6by2.3x10^3
DerKrebs [107]

Answer:

1875L = 1.875x10^6 mL

multiply by density to get 2.14x10^6

multiply by percentage to get 6.63x10^4 g of NaCl (66.3 kg)

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Or a very large set of data the measured mean is found to be 288.6 with a standard deviation of 21.2. assuming the data to be no
SashulF [63]

The 68-95-99.7 rule tells us 68% of the probability is between -1 standard deviation and +1 standard deviation from the mean. So we expect 75% corresponds to slightly more than 1 standard deviation.

Usually the unit normal tables don't report the area between -σ and σ but instead a cumulative probability, the area between -∞ and σ. 75% corresponds to 37.5% in each half so a cumulative probability of 50%+37.5%=87.5%. We look that up in the normal table and get σ=1.15.

So we expect 75% of normally distributed data to fall within μ-1.15σ and μ+1.15σ

That's 288.6 - 1.15(21.2) to 288.6 + 1.15(21.2)

Answer: 264.22 to 312.98


8 0
3 years ago
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