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3 years ago

PLEASE HELP!!

Mathematics

2 answers:

Crank3 years ago

4 0

I would say a or c.

Katyanochek1 [597]3 years ago

4 0

This is a geometric series, since the numbers decrease by a factor of 0.1 each time. The answer is A. 0.1

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Converting a fraction to decimal

r-ruslan [8.4K]

Answer:

All of them? Pls reply if so!

Step-by-step explanation:

To convert a fraction to a decimal just the divide the bottom into the top.

To convert a decimal into a fraction just put the decimal over 1 or divide the decimal by preference of tenths, hundredths, or thousandth place.

7 0

3 years ago

With full explanation from the internet like before 3x2-6x+5=0

Elodia [21]

Answer:

$\sf x=1+i\sqrt{\dfrac{2}{3}} \ \quad and \quad \:x=1-i\sqrt{\dfrac{2}{3}}$

Explanation:

Given Expression:

3x² - 6x + 5 = 0

Use the Quadratic Formula:

$\sf x = \dfrac{ -b \pm \sqrt{b^2 - 4ac}}{2a} \ \ when \ \ ax^2 + bx + c = 0$

insert coefficients

$\Longrightarrow \sf x = \dfrac{-\left(-6\right)\pm \sqrt{\left(-6\right)^2-4\cdot \:3\cdot \:5}}{2\cdot \:3}$

$\Longrightarrow \sf x = \dfrac{\left6\right\pm \sqrt{-24} }{6}$

$\Longrightarrow \sf x = \dfrac{\left6\right\pm 2\sqrt{6}i}{6}$

$\Longrightarrow \sf x =1 \pm i\dfrac{\sqrt{6} }{3}$

$\Longrightarrow \sf x=1+i\sqrt{\dfrac{2}{3}}, \quad 1-i\sqrt{\dfrac{2}{3}}$

6 0

1 year ago

Read 2 more answers

Find the circumferences of both circles

serious [3.7K]

Answer:

Blue circle=9π-28.284

Yellow circle=23/2π-36.128

Step-by-step explanation:

the circumfrence is worked out using the equation =pi x diameter

hope this helps ;) xx

4 0

2 years ago

Read 2 more answers

The graph of the equation y=x2+3x+5 is a function. Question 2 options: True False

Natali [406]

Answer:

True

Step-by-step explanation:

this funcion is squared and you can draw it, so therefore it is a function.

8 0

2 years ago

Fifteen students taking a test the state assessment exam forgot their calculator. of the 250 students taking the exam, what perc

inna [77]

Answer:

Step-by-step explanation:

The percentage is the ratio 15/250 converted to a percent. That conversion can be accomplished by multiplying the ratio by 100%. (You can do this without a calculator.)

15/250 × 100% = (1500/250)% = 6%

6 0

2 years ago