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harkovskaia [24]

3 years ago

9

A psychology class consists of 14 males and 36 females. if the professor selects name from the class list using random sampling,

what is the probability that the first student selected will be a female

1 answer:

Pavel [41]3 years ago

3 0

The total number of students is 14+36, or 50. So the chance that a selected student is female is 36/50, or 18/25.

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You can make small 20 small frames in 4 days or 21 large frames in 3 days. A customer has just place a order with you for 40 sma

cupoosta [38]

Answer:

I got 17.

Step-by-step explanation:

Because it takes 4 days to make 20 small frames, it takes 8 days to make 40. And because it takes 3 days to make 21 frames, and 21 multiplied by 3 is 63 (one less than 64), it would take 9 days (3 times the amount for 21) to make 64 large frames. In all, it would take APPROXIMATELY 17 days (9 +8 is 17)

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3 years ago

Amanda and Stephen wrote the following proofs to prove that vertical angles are congruent. Who is correct? Line segment NT inter

alexira [117]

The answer:

the valid proof is <span>Amanda's.

</span><span>Statement Justification ∠1 + ∠4 = 180°
Definition of Supplementary
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5 0

3 years ago

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Find the length of AE in the diagram shown.

likoan [24]

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6 0

2 years ago

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Line that passes through (-2,1) and (4,13)

Delvig [45]

Whats the question??

6 0

3 years ago

X<= -2 on a number line

ruslelena [56]

Answer:

$x\le \:-2\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:x\le \:-2\:\\ \:\mathrm{Interval\:Notation:}&\:(-\infty \:,\:-2]\end{bmatrix}$

Please check the attached number line graph.

The number line clearly indicates that the graph is heading towards negative infinity from -2.

Step-by-step explanation:

Given the inequality expression

x ≤ -2

The inequality symbol ' ≤ ' means 'less than or equal to'.

Thus,

x ≤ -2 means x is less than or equal to -2.

In other words,

$x\le \:-2\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:x\le \:-2\:\\ \:\mathrm{Interval\:Notation:}&\:(-\infty \:,\:-2]\end{bmatrix}$

Please check the attached number line graph.

The number line clearly indicates that the graph is heading towards negative infinity from -2.

7 0

3 years ago