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mylen [45]
3 years ago
11

I’m confused on this type of math

Mathematics
2 answers:
slega [8]3 years ago
8 0

Answer:

all you do is add

Step-by-step explanation:

Ray Of Light [21]3 years ago
3 0
The answer is b don’t really know how to explain
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An experiment is broken up into two parts. In the first part of the experiment a penny is tossed in the air. If the coin lands o
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There are two chances of getting one tails: if the first toss is heads and the second toss is tails OR if the first toss is tails.
The probability of the first toss to be head AND the second toss to be tails is 1/2 × 1/2, which equals 1/4.
The probability of getting a tails on the first toss is 1/2.

When dealing with probabilities, AND means multiply and OR means add. Therefore, this problem is: (heads AND tails) OR (tails). The probability of a coin landing on heads is 1/2 and the probability of a coin landing on tails is 1/2. Therefore, the equation is (1/2 × 1/2) + (1/2), which is 3/4.
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3 years ago
The Pine Scrub Rail Trail is 126 miles long. If the Willy-Nilly Bike Club rides 18 miles per day, how many days will it take the
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126/18=7
it’s C. 7 days
5 0
2 years ago
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In a year, there are 12 months. Seven months have 31 days. How many have 28 days? *​
Nataliya [291]

Answer:

ALLL OF THEM 12

Step-by-step explanation:

5 0
3 years ago
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Find the value of x.<br> B<br> X+5<br> 4<br> D<br> E<br> 2x<br> 3<br> А<br> x = [?]
Greeley [361]

Answer:

x = 3

Step-by-step explanation:

Δ BDE and Δ BAC are similar triangles, thus the ratio of corresponding sides are equal, that is

\frac{BD}{BA} = \frac{BE}{BC}, substitute values

\frac{x+5}{3x+5} = \frac{4}{7} ( cross- multiply )

4(3x + 5) = 7(x + 5) ← distribute parenthesis on both sides )

12x + 20 = 7x + 35 ( subtract 7x from both sides )

5x + 20 = 35 ( subtract 20 from both sides )

5x = 15 ( divide both sides by 5 )

x = 3

5 0
3 years ago
Evaluate csc (3pi/14) and cot (5pi/12) using a calculator.
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The drop down answers are
csc= 1.604
cot= .268
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3 years ago
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