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gavmur [86]
3 years ago
9

Taking Test need Help!

Mathematics
2 answers:
Cerrena [4.2K]3 years ago
8 0
The answer is D hope this help you (-;
 
8090 [49]3 years ago
6 0
Your answer is A, that $56 + (-$2) + (-$3) 
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Find the circumference and area of a circle with a radius of 9 centimeters.
ivann1987 [24]
Circumference is 56.54866776 and Area is 254.4690049
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2 years ago
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One more i need help with plz answer I need it done by today
polet [3.4K]

Answer:187.5 inches.

Step-by-step explanation:

25 / 2 = x / 15

25 = 2x / 15

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375 = 2x

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The actual car is 187.5 inches.

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Find the x and y intercepts of the line. 4x-2y=16 need in 5-to minutes PLEASE
crimeas [40]
Y=2x-8 is the answer
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2 years ago
A random variable x takes four possible values, 0, 2, a, and b, where a and b are unknown numbers. if pr[x = 0] = 0.2, pr[x=2] =
Alexus [3.1K]
\displaystyle\sum_{x\in\{0,2,a,b\}}\mathbb P(X=x)=1
\mathbb P(X=0)+\mathbb P(X=2)+\mathbb P(X=a)+\mathbb P(X=b)=1
0.2+0.4+0.3+\mathbb P(X=b)=1
\implies\mathbb P(X=b)=0.1

\mathbb E(X)=\displaystyle\sum_{x\in\{0,2,a,b\}}x\mathbb P(X=x)=2.8
0\mathbb P(X=0)+2\mathbb P(X=2)+a\mathbb P(X=a)+b\mathbb P(X=b)=2.8
0.8+0.3a+0.1b=2.8
0.3a+0.1b=2

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7 0
3 years ago
What is the mode of this data set? 64°, 72°, 74°, 68°, 70°, 68°, 68°, 75°, and 44
butalik [34]

Hey there!

Mode is basically the number you see more than once,

64, 72, 74, 68, 70, 68, 68, 75,  44\\ \\ Mode: 68

Your answer would be: 68 because it appeared approximately 3 times in this data set

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

6 0
3 years ago
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