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3 years ago

Find x in this picture pls

Mathematics

2 answers:

jolli1 [7]3 years ago

8 0

X=68 because its vertical

blondinia [14]3 years ago

3 0

Answer:

X=62

Step-by-step explanation:

solve half of it like 90 degrees +22 degrees. then minus from 180 degrees

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What is the range of the cubic function f(x)=2x^3+21

boyakko [2]

ANSWER

$( - \infty , + \infty )$

EXPLANATION.

The given function is

$f(x) = 2 {x}^{3} + 21$

Let

$y= 2 {x}^{3} + 21$

Solve for x.

$2 {x}^{3} = y - 21$

${x}^{3} = \frac{1}{2} y - \frac{21}{2}$

Take cubic root of both sides,

$x = \sqrt[3]{ \frac{1}{2} y - \frac{21}{2} }$

x is defined for all real values of y.

The range refers to the values of y, for which x is defined.

Hence the range is all real numbers.

In interval notation, we write this as,

$( - \infty , + \infty )$

The correct choice is A.

6 0

3 years ago

Read 2 more answers

The value of investments in the stock market change daily. Suppose you buy a stock for $1500. It decreases in value by 5% and th

Dmitriy789 [7]

Answer:

$1,524.75

Step-by-step explanation:

Purchase price = $1,500

Percentage decrease = 5% or 0.05 as a decimal

Amount by which the stock decreased = - (1500*0.05) = -$75

So at first, the price decrease to = $1,500 - $75 = $1,425

Secondly, the percentage increase in price = 7% or 0.07 as a decimal

Amount by which the stock increased = (1,425*0.07) = $99.75

Therefore, the price rose to = $1,425 + $99.75 = $1,524.75

New value is therefore $1,524.75

8 0

3 years ago

Please help, ASAP!

ExtremeBDS [4]

2.5 is the answer. :):)

4 0

4 years ago

Read 2 more answers

1.A bacteria population starts at 2320 and decreases by 5% per day. Write a function that represents the number of bacteria each

bearhunter [10]

Answer:

Liang and Brandon are playing soccer. Liang makes three goals and Brandon makes 4 goals.If they a make a total of 28 goals, how many would Liang have made

CAN ANYONE ANSWER MY QUESTION I REALLY NEED HELP

Step-by-step explanation:

3 0

3 years ago

In 1898, L. J. Bortkiewicz published a book entitled The Law of Small Numbers. He used data collected over 20 years to show that

Natali5045456 [20]

Answer: Hence, Probability of more than 1 death in a corps in a year is 0.126.

Step-by-step explanation:

Since we have given that

Mean for a poisson distribution (λ) = 0.61

Number of years = 20 years

We need to find the probability of more than 1 death in a corps in a year.

P(X>1)=1-P(X=0)-P(X=1)

Here,

$P(X=0)=\dfrac{e^{-0.61}(0.61)^0}{0!}=0.543\\\\and\\\\P(X=1)=\dfrac{e^{-0.61}(0.61)}{1}=0.331$

So,

P(X>1)=1-0.543-0.331=0.126

Hence, Probability of more than 1 death in a corps in a year is 0.126.

4 0

3 years ago