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Valentin [98]
3 years ago
12

SOMEONE PLEASE HELP!!

Mathematics
2 answers:
lesya692 [45]3 years ago
8 0
First you need the size of an angle QPR = B = 180° - 123°
Lenght of QP = 10cm
QR = x
QP = r
x² = r² + r² - 2r² × cosB
Rina8888 [55]3 years ago
8 0

Answer:19.9

Step-by-step explanation:

You might be interested in
Question 6
marin [14]

Answer:

18 miles per hour is an outlier

the outlier decreases the mean speed

Step-by-step explanation:

the low number of 18 is way different from the other numbers being in the 30's and 40's

this 18 will bring the mean of all the numbers own because it is a smaller number.

8 0
3 years ago
Julian jogs 222 kilometers east, 444 kilometers north, and then 777 kilometers west. how far is julian from his starting positio
lawyer [7]
If you would like to know how far is Julian from his starting position, you can calculate this using the following steps:

First, you have to make a right triangle, where the hypotenuse of this triangle will actually be the distance we are looking for. The distances of the other two sides are 444 kilometers, and 777 kilometers - 222 kilometers; to be exact: 444 kilometers and 555 kilometers.

The distance we are interested in ... d:
d^2 = 444^2 + 555^2
d^2 = 197136 + 308025 = 505161
d = sqrt(505161)
d = <span>710.7 kilometers
</span>
The correct result would be <span>710.7 kilometers.</span>
7 0
3 years ago
Solve the following for the x and y values. X being 0 when solving for Y, and vice versa.
Aleonysh [2.5K]
It states your "X" will be zero when solving for "Y". So when solving for "Y" your equation would be; 0+y=4 Then you solve. Y=4 Then you do the same with the "X": X+0=4. Then you solve. X=4 It would end up being (4(x),4(y) ) Then do the same for the next problem.
3 0
3 years ago
The judiciary committee at a college is made up of three faculty members and four students. If ten faculty members and 25 studen
Andre45 [30]

Answer:

1,518,000 committees.

Step-by-step explanation:

We have been given that the  judiciary committee at a college is made up of three faculty members and four students. Ten faculty members and 25 students have been nominated for the committee.

We will use combinations for solve our given problem.

^nC_r=\frac{n!}{r!(n-r)!}, where,

n = Number of total items,

r = Items being chosen at a time.

^{10}C_3\cdot ^{25}C_4=\frac{10!}{3!(10-3)!}\cdot \frac{25!}{4!(25-4)!}

^{10}C_3\cdot ^{25}C_4=\frac{10!}{3!*7!}\cdot \frac{25!}{4!*21!}  

^{10}C_3\cdot ^{25}C_4=\frac{10*9*8*7!}{3*2*1*7!}\cdot \frac{25*24*23*22*21!}{4*3*2*1*21!}

^{10}C_3\cdot ^{25}C_4=10*3*4\cdot 25*23*22

^{10}C_3\cdot ^{25}C_4=120\cdot 12650

^{10}C_3\cdot ^{25}C_4=1,518,000

Therefore, 1,518,000 judiciary committees could be formed at this point.

7 0
3 years ago
Please answer my question
Veronika [31]
It’s 7.1 acute
have a good day!!
6 0
3 years ago
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