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2 years ago

Which decimal is equivalent to 2/9? A. 2.2 B. 2.9 C. 22222 D. 0.2

Mathematics

2 answers:

marta [7]2 years ago

8 0

Answer: 0.22222222

Step-by-step explanation:

goldenfox [79]2 years ago

3 0

Answer:

The answer is 0.2. It is an irrational number with a repeating 2. It should have a line over the two to represent it repeating.

Step-by-step explanation:

First divide 2 by 9.

Use a calculator or do it by hand.

You get your answer.

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Which of the following is true regarding the solution to the logarithmic equation below? log Subscript 2 Baseline (x + 11) = 4.

meriva

Answer:

Option C.

Step-by-step explanation:

The given logarithmic equation is

$\log_2(x+11)=4$

It can be written as

$(x+11)=2^4$ $[\because log_ax=y\Leftrightarrow x=a^y]$

$x+11=16$

$x=5$

Now, to check whether $x=5$ is a true solution or not. Substitute $x=5$ in the LHS of given equation.

$LHS=\log_2(5+11)$

$LHS=\log_2(16)$

$LHS=\log_22^4$

$LHS=4$ $[\because log_aa^x=x]$

$LHS=RHS$

Hence, $x=5$ is a true solution because $\log_2(16)=4$ .

Therefore, the correct option is C.

5 0

2 years ago

Len wants to write the number 100000 using a base of 10 and an exponent. What number should he use as the exponent

salantis [7]

10 to the 5th power which equals 100,000

6 0

2 years ago

Read 2 more answers

If x = –3 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the e

kompoz [17]

$\text{ if } \Delta=0\text{ then there is one x-intercept : }x=-\dfrac{b}{2a}\\\\
\text{ if } \Delta\ \textless \ 0\text{ then there are no x-intercept : } x=\varnothing\\\\
\text{ if } \Delta>0\text{ then there are two x-intercept : }x_1,x_2=\dfrac{-b\pm\sqrt{\Delta}}{2a}\\\\$

<u>Answer </u>: <span>The discriminant is 0</span>

5 0

2 years ago

Read 2 more answers

Perform the operation. (-2x^2-4x+2)-(-6x+2) (−2x 2 −4x+2)−(−6x+2)

AleksandrR [38]

Answer:

-50x^2+30x-4

Step-by-step explanation:

4 0

2 years ago

Hey can you please help me posted picture of question :)

andriy [413]

The answer is the answer is C and F.

This is found by inserting the equation above into the quadratic formula or -b plus or minus the square root of b^2 - 4ac over 2a.

With that, you find that the first number is a -3, which eliminates choices B and D.

Then, solving the 4ac portion, you find that inside the square root the number is 29, which gives you the last two answer choices.

Hope this helps!

5 0

2 years ago