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V125BC [204]
3 years ago
12

6th grade math help me plzz

Mathematics
1 answer:
uysha [10]3 years ago
5 0

Answer:

A-B really simple.

Step-by-step explanation:

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Hokiris ladder has two legs that are each 8 feet long. When the ladder is opened safely and locked for use, the legs are 4 feet
guajiro [1.7K]

To solve this problem you must apply the proccedure shown below:

1- The ladder forms an isosceles triangle, because it has two equal sides.

2- Let's call the angle \alpha. To calculate it , you can divide the triangle into two equal right triangles and the angle \alpha will be divided into two equal parts too. Therefore, you can calculate the half of the angle and then multiply it by two, as following:

Sin^{-1}(\alpha 1)=opposite/hypotenuse

Sin^{-1}(\alpha1)=8/2\\  \alpha1=14.47 degrees

\alpha =2\alpha 1\\ 2=2(14.47degrees)\\ \alpha =28.95degrees

The answer is: 28.95degrees

6 0
3 years ago
In a certain Algebra 2 class of 26 students, 16 of them play basketball and 9 of them play baseball. There are 5 students who pl
Olegator [25]

Answer:

  10/13 ≈ 76.9%

Step-by-step explanation:

P(A∪B) = P(A) +P(B) -P(A∩B)

P(plays basketball ∪ plays baseball)

   = P(plays basketball) +P(plays baseball) -P(plays both)

P(plays basketball ∪ plays baseball) = 16/26 +9/26 -5/26 = 20/26 = 10/13

P(plays basketball or baseball) = 10/13 ≈ 76.9%

7 0
2 years ago
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Have a wonderful day and here are free pts to make your day better &lt;3<br> 12 x 7 = ?
Rom4ik [11]

Answer:

its 84 but tysm thats so sweet

Step-by-step explanation:

4 0
3 years ago
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I need help on this.. And I will give you a BRANILIST if you the first one with the right answer ​
AlekseyPX

Answer:

0.1

Step-by-step explanation:

(9,4) (5,1)    \frac{y_{2} y_{1} }{x_{2} x_{1} }, plug in the numbers, \frac{(1)(4)}{(5)(9)}= \frac{4}{40} or \frac{1}{10}, to write it as a decimal, you divide the numerator by the denominator, 0.1

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2 years ago
What is the first quartile (Q1) of the data set?
VikaD [51]
A 48.5 The answer is A because you would put the numbers in order from least to greatest, find the median, then find the median of the other two sets.
7 0
3 years ago
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