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nikklg [1K]
2 years ago
5

The table shows the number of boys and girls that have black, blonde, brown, or red hair color. What is the probability that a s

tudent is a boy with red hair? (round to nearest hundredth)
A) 0.05
B) 0.10
C) 0.11
D) 0.15
Mathematics
1 answer:
Talja [164]2 years ago
6 0
Probability of being a boy: 1/2
Probability of having red hair: 1/4
Probability of being a red hair boy: 1/4x1/2=1/8
1/8=0.125 and the nearest option to this is C.
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Find the length of x. Assume the triangles are similar.
Veronika [31]

Answer:

  x = 32

Step-by-step explanation:

The longest side is double the length of the shortest side, so x is 2·16 = 32.

6 0
3 years ago
A tortoise and a hare are competing in a 2000-meter race. The arrogant hare decides to let the tortoise have a 510-meter head st
Nataliya [291]

The distance covered by the hare and the tortoise in t seconds are 8t and 5t respectively. (Simple Speed-Distance-Time relation)

The tortoise gets a 510m headstart so at t=0 is 1490m.

The functions representing the distance of both of them from the finish line is,

F(x)=2000-8t,. for hare

G(x)=1490-5t,. for tortoise

8 0
3 years ago
What is (3-4i)^2? In complex numbers?
ANTONII [103]
(3-4i)^2=9-24i-16=-7-24i
5 0
3 years ago
What can be concluded about the sequence 19, 15, 11,
Mariulka [41]

Option first and option second are correct because the common difference of the sequence is the same as the slope of the graph.

<h3>What is a sequence?</h3>

It is defined as the systematic way of representing the data that follows a certain rule of arithmetic.

The question is incomplete.

The question is:

What can be concluded about the sequences 19, 15, 11, 7, . . . represented on the graph? Check all that apply.

  • The common difference of the sequence is the same as the slope of the graph.
  • The slope of the graph is –4.
  • The next term in the sequence is represented by point (4, 3).
  • f(x) = –4x + 19 represents the sequence.
  • An infinite number of points can be determined to follow this sequence.

The graph is attached to the picture please refer to the graph.

We have an arithmetic sequence:

19, 15, 11, 7,...

The first term is:

a = 19

Common difference d = 15-19 = -4

The nth term:

a(n) = 19 + (n-1)(-4)

a(n) = 19 -4n + 4

a(n) = -4n + 23

We can write above expression as:

f(x) = -4x + 23

Slope of the equation = -4

The correct options are:

  • The common difference of the sequence is the same as the slope of the graph.
  • The slope of the graph is –4.

Thus, an option first and option second are correct because the common difference of the sequence is the same as the slope of the graph.

Learn more about the sequence here:

brainly.com/question/21961097

#SPJ1

4 0
2 years ago
-4(-6+9+4v+7v) what is the answer
r-ruslan [8.4K]
First step:
simplify the values in the parenthesis:
-4(3+11v)
Second step: 
apply the distributive property:
-12-44v
The final answer (simplified) is -44v-12
4 0
3 years ago
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