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blsea [12.9K]
3 years ago
9

What is the value of x using the Pythagorean theorem?

Mathematics
1 answer:
Vesnalui [34]3 years ago
8 0
A^2+b^2= c^2

Plug in the points. the longest side is always c.

95.2^2+ b^2= 168^2.

Square the numbers.

9063.04+ b^2= 28224

Subtract 9063.04 on both sides.

b^2= 19160.96

Find the square root. 

b= 138.423119456

Or, b= 138.4 (rounded down)

I hope this helps!
~kaiker
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Show all work to factor x4 – 10x^2 + 9 completely.
iragen [17]

Answer:

(x+1)(x-1)(x+3)(x-3)

Step-by-step explanation:

it is a fourth degree trinomial

1) find two number whose sum is -10 and whose product is 9

the two numbers are -1 and -9

2) write the trinomial as a multiplication in this way

(x^2-1)(x^2-9)

3) the two factors are both a difference of tho squares.

so we can rewrite it as

(x+1)(x-1)(x+3)(x-3)

8 0
3 years ago
ASAP help for 50 points !!!!The heights of 200 adults were recorded and divided into two categories
olga nikolaevna [1]

Answer:

I think it's B, i hope this helps you

Step-by-step explanation:

7 0
3 years ago
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Brian plans to spend between $35 and $60 on running shoes.<br> What is the inequality?
vaieri [72.5K]
If it must be between:

35
If it can be equal to these prices:
35<=x<=60
( <= being less than or equal to, the sign with a line underneath)

Hope this helps!!
3 0
3 years ago
Suppose you like to keep a jar of change on your desk. Currently, the jar contains the following: 18 Pennies13 Dimes 18 Nickels1
Nezavi [6.7K]

Answer:

P(Nickel\ and\ Nickel) = 0.08091

Step-by-step explanation:

Given

Pennies = 18

Dimes = 13

Nickels = 18

Quarters = 13

Required

Probability of selecting 2 nickels without replacement

This can be represented as: P(Nickel\ and\ Nickel)

The solution is as follows

P(Nickel\ and\ Nickel) = \frac{Nickel}{Total}*\frac{Nickel-1}{Total-1}

The second nickel is reduced by 1 because the first nickel was not replaced and this also reduces the total by 1

So, we have:

P(Nickel\ and\ Nickel) = \frac{18}{62}*\frac{18-1}{62-1}

P(Nickel\ and\ Nickel) = \frac{18}{62}*\frac{17}{61}

P(Nickel\ and\ Nickel) = \frac{18*17}{62*61}

P(Nickel\ and\ Nickel) = \frac{306}{3782}

P(Nickel\ and\ Nickel) = 0.08091

6 0
3 years ago
It is 10:30pm and my brain is not cooperating with me.
r-ruslan [8.4K]

Answer:

v = 180 {cm}^{3}

Step-by-step explanation:

V= <em>lwh</em><em> </em>or <em>l</em><em> </em><em>*</em><em>w</em><em>*</em><em>h</em>

<em>Length</em><em>:</em><em> </em><em>15</em>

<em>Width</em><em>:</em><em> </em><em>3</em>

<em>Height</em><em>:</em><em>4</em>

<em>V</em><em>=</em><em>15</em><em>*</em><em>3</em><em>*</em><em>4</em>

V=180

5 0
2 years ago
Read 2 more answers
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