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Mathematics

1 answer:

Soloha48 [4]2 years ago

7 0

Answer:

hope this helps you

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What are 2 equivalent expressions that are equal to 10m-40

yuradex [85]

It's simple, there is a ton
Multiply all the numbers by 2: 20m - 80
or Divide all the numbers by 2: 5m- 20
or Multiply all the numbers by 3: 30m - 120

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2 years ago

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What is the value of x in the triangle? A. 21 B. 10 C. 7 D. 7√3

enyata [817]

A

Working:
Tan(angle)=opposite/adjacent
Tan60 = x/7root3
x=7root3 x Tan60
Enter in calculator
x=21

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2 years ago

Find the inverse of the equation

zimovet [89]

The inverse of $f(x)= \frac{6x+5}{3x-1}$ is $f(-1)= \frac{-x-5}{3(2-x)}$ I hope I helped

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2 years ago

What is the area of the triangle?<br> 118 cm<br> 24 cm<br> 30 cm

Arada [10]

Answer:

360

Step-by-step explanation:

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2 years ago

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Suppose that the duration of a particular type of criminal trial is known to be normally distributed with a mean of 22 days and

Alika [10]

Answer:

25.5 days

Step-by-step explanation:

Mean number of days (μ) = 22 days

Standard deviation (σ) = 6 days

Z-score for the 72nd percentile (according to tabulated values) = 0.583

The z-score for any number of days, X, is determined by:

$z=\frac{X-\mu}{\sigma}$

The value of X that is greater than 72% of the trial times is:

$0.583=\frac{X-22}{6}\\ X=25.5\ days$

Therefore, 72% of all of these types of trials are completed within 25.5 days.

6 0

2 years ago

I need help ASAP! It's urgent.. PLISSSSS ​

I need help ASAP! It's urgent.. PLISSSSS