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3 years ago

HeLp Me pLeAsE?

Mathematics

2 answers:

Bogdan [553]3 years ago

8 0

One because it only has one number behind the decimal

yulyashka [42]3 years ago

3 0

2 because the is going to be 2 spaces behind the decimal because it is money

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72.4 divided by 4 please help!!!!

wariber [46]

Answer:

18.1

hope it helps mate

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3 years ago

Read 2 more answers

PLEASE HELP ME ASAP ILL GIVE 100 POINTS

Airida [17]

Answer:

8(+4)

Step-by-step explanation:

6 0

3 years ago

8+a=21 plssssssssssssszzzz

attashe74 [19]

Answer:

Step-by-step explanation:

because a is the missing number. Well, 21 minus or - 8 is equal to 13.

8 0

3 years ago

The average time an individual reads online national news reports is 49 minutes. Assume the standard deviation is 16 minutes and

Olin [163]

Answer:

0.118 is the probability someone will spend no more than 30 minutes reading online national news reports.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 49 minutes

Standard Deviation, σ = 16 minutes

We are given that the distribution of time an individual reads is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(no more than 30 minutes)

$P( x \leq 610) = P( z \leq \displaystyle\frac{30 - 49}{16}) = P(z \leq -1.1875)$

Calculation the value from standard normal z table, we have,

$P(x \leq 30) = 0.118 = 11.8\%$

0.118 is the probability someone will spend no more than 30 minutes reading online national news reports.

3 0

3 years ago

Which of the following is a valid reason why the quadrilateral shown below is a parallelogram?

saveliy_v [14]

The correct answer to this question is: " A valid reason why the quadrilateral shown below is a parallelogram is that "B. All pairs of consecutive angles are supplementary."

The choices are:
A. Both pairs of opposite angles are congruent
B. All pairs of consecutive angles are supplementary
C. Both pairs of opposite sides are parallel
D. All pairs of consecutive angles are complementary

7 0

3 years ago