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IrinaVladis [17]
3 years ago
15

What is the area of the triangle?

Mathematics
1 answer:
Svetach [21]3 years ago
3 0

Answer:

12 square units

Step-by-step explanation:

(Base x height)/2

(6*4)/2=12

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1/2 or 1 whole that's the answer
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A student is running a 3-kilometer race. He runs 1 kilometer every 2 minutes. Select the function that describes his distance fr
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f ( x ) - the distance from the finish line.

  x :        0     2      4      6

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Step-by-step explanation:

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Find BC the length not the angle<br><br><br>Round to the nearest tenth.
PSYCHO15rus [73]

Answer:

14.4

Step-by-step explanation:

We solve the above question using Cosine Rule

The formula is given as:

BC² = AB²+ AC²﹣2 × AB × AC cos A

BC² = 6² + 13²﹣2 × 6 × 13 × cos(91°)

BC = √6² + 13²﹣2 × 6 × 13 × cos(91°)

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4 0
3 years ago
The probability that a male will be colorblind is .042. Find the probabilities that in a group of 53 men, the following are true
Dvinal [7]

Answer:

See below for answers and explanations

Step-by-step explanation:

<u>Part A</u>

\displaystyle P(X=x)=\binom{n}{x}p^xq^{n-x}\\\\P(X=5)=\binom{53}{5}(0.042)^5(1-0.042)^{53-5}\\\\P(X=5)=\frac{53!}{(53-5)!*5!}(0.042)^5(0.958)^{48}\\\\P(X=5)\approx0.0478

<u>Part B</u>

P(X\leq5)=P(X=1)+P(X=2)+P(X=3)+P(X=4)+P(X=5)\\\\P(X\leq5)=\binom{53}{1}(0.042)^1(1-0.042)^{53-1}+\binom{53}{2}(0.042)^2(1-0.042)^{53-2}+\binom{53}{3}(0.042)^3(1-0.042)^{53-3}+\binom{53}{4}(0.042)^4(1-0.042)^{53-4}+\binom{53}{1}(0.042)^5(1-0.042)^{53-5}\\\\P(X\leq5)\approx0.9767

<u>Part C</u>

\displaystyle P(X\geq 1)=1-P(X=0)\\\\P(X\geq1)=1-(1-0.042)^{53}\\\\P(X\geq1)\approx1-0.1029\\\\P(X\geq1)\approx0.8971

6 0
3 years ago
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