3 years ago

How do you calculate the Hypotenuse?

1 answer:

4 0

Formula:
a^2+b^2=c^2

c^2: Is the hypotenuse.

For a^2 and b^2, you have to multiply both it by its self.

Then, add both.

Next, you square root it.

Example:

a^2+b^2=c^2

14^2+7^2=c^2

196+49=c^2

245=c^2

15.64=c^2

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How to do this problem

Vera_Pavlovna [14]

X(x-1)(x^2+4)=(x^2-x)(x^2+4)=(x^4)+(4x^2)-(x^3)-(4x)=(x^4)-x(x^2+4)+(4x^2)

6 0

3 years ago

During a flu epidemic, 35% of the school's students have the flu. Of those with the flu, 90% have high

frutty [35]

Answer: 0.8015

Step-by-step explanation:

Let F= event that a person has flu

H= event that person has a high temperature.

As per given,

P(F) =0.35

Then P(F')= 1- 0.35= 0.65 [Total probability= 1]

P(H | F) = 0.90

P(H|F') = 0.12

By Bayes theorem, we have

$P(F|H)=\dfrac{P(F)\timesP(H|F)}{P(F)\timesP(H|F)+P(F')\timesP(H|F')}\\\\=\dfrac{0.35\times0.90}{0.35\times0.90+0.65\times0.12}\\\\=\dfrac{0.315}{0.315+0.078}\approx0.8015$

Required probability = 0.8015

8 0

3 years ago

Fill in the blanks

brilliants [131]

Answer:

1. 100 which Is the easier one

2. 5

5 0

2 years ago

Factor the quadratic expression 4x^2-8x+3

nataly862011 [7]

Answer: (2x-1) (2x-3)

Step-by-step explanation:

8 0

3 years ago

Write an equation for a line perpendicular to y=4x+1 and passing through the point (12,-7).

Gnoma [55]

Answer:

Step-by-step explanation:

y = 4x + 1

Slope of line = 4

Slope of perpendicular to line = -¼

Point-slope equation for line of slope -¼ that passes through (12, -7):

y+7= -¼(x-12)

3 0

3 years ago