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Vikentia [17]
2 years ago
13

Liz has 2 blue, 1 red and 1 white dress(es) and 3 pairs of shoes colored blue, red and white. If she decides at random what to w

ear, what are the probabilities of wearing: 1. A blue dress and blue shoes
Mathematics
2 answers:
Natalka [10]2 years ago
4 0

Answer:

1/6

Step-by-step explanation:

so she has 4 dresses and a 1/2 probability of picking one because 2/4=1/2

she has 3 pairs of shoes which means she has a 1/3 of picking blue

1/3*1/2=1/6

1/6 probability of wearing both

faltersainse [42]2 years ago
3 0

Answer:

b. Shoes and a dress that are both not white

Step-by-step explanation:

because i retreived the answer from the internet, it was very easy and you should get a life, or a brain. hahah hahah im jk you should look up "answers for my textbook" and it will bring up your gd book.:) yw.

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A painter is placing a ladder to reach the third story window, which is 23 feet above the ground and makes an angle with the gro
oksian1 [2.3K]

Answer:

69

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4 0
3 years ago
If 1-cosA = 1/2 , Then find the value of sinA.
zimovet [89]

Step-by-step explanation:

Given :

1- cosA = 1/2

or, CosA = 1 -1/2

Therefore ; CosA = 1/2 = b/h

According to the Pythagoras theorem,

P = root under h^2 - b^2

= root under (2)^2 - (1)^2

= root under 4 -1

= root 3

Again,

SinA = P/h

= root 3 / 2

8 0
1 year ago
A complex number z=a+bi had an absolute value of 3.28. What could the values of a and b be ? A.a=1.5,b=1.7 C.a=1.7,b=2.8
Levart [38]
The given complex number is ⇒ z = a + b i
The absolute value of z = √( a² + b² ) = 3.28
So, we will check which of the options will give 3.28

<span>( A) IF ⇒⇒ a=1.5 and b=1.7
</span>
<span>∴ √( a² + b² ) = √( 1.5² + 1.7²) = √5.14 ≈ 2.27
</span>
===================================

<span>(B) IF ⇒⇒ a=1.5 and b=3.3
</span>
<span>∴ √( a² + b² ) = √(1.5² + 3.3²) = √13.14 ≈ 3.62
</span>
====================================

<span>(C) IF ⇒⇒ a=1.7 and b=2.8
</span>
<span>∴ √( a² + b² ) = √(1.7² + 2.8²) = √10.73 ≈ 3.28
</span>
====================================

<span>(D) IF ⇒⇒ a=2.8 and b=3.3
</span>
∴ √( a² + b² ) = √(2.8² + 3.3²) = √18.73 ≈ 4.33
=====================================
So, the correct answer is option (C) <span>a=1.7,b=2.8</span>
4 0
3 years ago
I need help with this
Monica [59]

Using derivatives, it is found that regarding the tangent line to the function, we have that:

  • The slope is of 962.
  • The equation of the line is y = 962x - 5119.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

The slope of the line tangent to a function f(x) at x = x' is given by f'(x'). In this problem, the function is given by:

f(x) = 5x³ + 2x + 1.

The derivative is given by:

f'(x) = 15x² + 2.

Hence the slope at x = 8 is:

m = f'(8) = 15(8)² + 2 = 962.

The line goes through the point (8,f(8)), hence:

f(8) = 5(8)³ + 2(8) + 1 = 2577.

Hence:

y = 962x + b

2577 = 962(8) + b

b = -5119.

Hence the equation is:

y = 962x - 5119.

More can be learned about tangent lines at brainly.com/question/8174665

#SPJ1

7 0
2 years ago
Whats the volume of the prism please show work‼️
attashe74 [19]

Answer:

Step-by-step explanation:

Volume of a prism:

Area of cross section x height

4 0
2 years ago
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