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borishaifa [10]
2 years ago
8

Pls pls help me pls

Mathematics
1 answer:
stiv31 [10]2 years ago
3 0
Question 1: When sediments and rocks are dropped at the end of the river.

Question 2: An earthquake.
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BC= <br> I need someone help... anybody know how to do this?
Tems11 [23]
<h3>Answer: 10.99</h3>

Work Shown:

Angle B = 20 is the reference angle

AC = 4 is the side opposite this reference angle

BC = x is the unknown adjacent side

tan(angle) = opposite/adjacent

tan(B) = AC/BC

tan(20) = 4/x

x*tan(20) = 4

x = 4/tan(20)

x = 10.9899 approximately (make sure your calc is in degree mode)

x = 10.99 rounding to two decimal places

BC = 10.99

3 0
3 years ago
A conditional relative frequency table is generated by row from a set of data. The conditional relative frequencies of the two c
Gre4nikov [31]
The right answer for the question that is being asked and shown above is that: "D.) There is likely an association between the categorical variables because the relative frequencies are both close to 0.50." Given that a relative frequencies of 0.48 and 0.52, there will be an association between the categorical variables.<span>
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4 0
3 years ago
Read 2 more answers
The area of a square is 50 square meters. Which best represents the length of one side of the square?
Reika [66]

Answer:

7.1

Step-by-step explanation:

A = s**2

50 = s**2

s = 50**(1/2) = 7.07 rounded = 7.1

5 0
2 years ago
Evaluate. Express your answer in exact simplest form.
kumpel [21]

Answer:

6720

Step-by-step explanation:

The writing 8P5 represents the number of permutations of 8 elements  taken 5 at a time.

<u></u>

<u>First Method</u> :

8P5 = 8 × 7 × 6 × 5 × 4

       = 6720

<u>Second Method</u> :

8P5=\frac{8!}{\left( 8-5\right)!}

=\frac{8!}{ 3!}

=\frac{8 \times 7 \times 6 \times 5 \times 4 \times 3!}{ 3!}

= 8 \times 7 \times 6 \times 5 \times 4

= 6720

6 0
1 year ago
Keisha makes a large sandwich for family picnic. She takes 1/2 of the sandwich to the picnic. At the picnic, her family eats 3/8
Mumz [18]
Keisha brings back 1/8th of the sandwich
5 0
2 years ago
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