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andriy [413]
3 years ago
11

A class has 15 boys and 16 girls. What is the probability that a boy's name is drawn at random?

Mathematics
1 answer:
melomori [17]3 years ago
6 0
15 boys and 16 girls....total is (15 + 16) = 31

probability that a boys name is drawn : boys/total ppl = 15/31
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Consider the equation 0.75⋅10^w/3=30
Nastasia [14]

Answer:

The value of w is:

w=3\cdot log_{10}(40)

Step-by-step explanation:

We have to calculate w from the equation

0.75\cdot 10^{w/3}=30

The solution has to be expressed as a logarithm in base 10.

We can solve it like:

0.75\cdot10^{w/3}=30\\\\10^{w/3}=30/0.75=40\\\\(w/3)log_{10}(10)=log_{10}(40)\\\\w/3=log_{10}(40)\\\\w=3\cdot log_{10}(40)

The value of w is:

w=3\cdot log_{10}(40)

5 0
3 years ago
Please help Meeeeeeee
alexgriva [62]

Step-by-step explanation: its A. the denominator has to be the same as the hypotenuse

3 0
3 years ago
Line M contains points (4,3) and (1,2). Write a possible equation of line K that is
mash [69]
I believe the answer is y = -3x + 15
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6 0
3 years ago
A boat travels N 31° E for 65 miles and then N 59° W for 102 miles. Find the distance of the boat from its starting point.
ra1l [238]

The directions of travel are at right angles to each other, so the Pythagorean theorem can be used to find the straight-line distance to the starting point. That distance (d) satisfies ...

d² = 65² +102²

d = √(4225 +10404) = √14629 ≈ 120.95

The appropriate choice is ...

... c. 121 miles

4 0
3 years ago
Read 2 more answers
PLEASE HELP URGENT
aivan3 [116]
(10/17) / (-15/17) =
10/17 * - 17/15 =
- 10/15 =
- 2/5 <==
============
2.75 / -2.2 =
- 1.25 <==
============
(-2 3/5) / (3/5) =
- 13/5 * 5/3 =
-13/3 or - 4 1/3 <==
============
(2 1/4) / (3/4) =
9/4 * 4/3 =
9/3 =
3 <==
7 0
3 years ago
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