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Phoenix [80]
3 years ago
5

Is 3.1212... x 1.4 rational?

Mathematics
1 answer:
astraxan [27]3 years ago
4 0

Answer:

Is 3.12... go on forever

Step-by-step explanation:

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What is 9% of 42 pls help fast!
joja [24]

Answer:

3.78

Step-by-step explanation:

Percentage solution with steps:

Step 1: We make the assumption that 9 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$.

Step 3: From step 1, it follows that $100\%=9$.

Step 4: In the same vein, $x\%=42$.

Step 5: This gives us a pair of simple equations:

$100\%=9(1)$.

$x\%=42(2)$.

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

(left hand side) of both equations have the same unit (%); we have

$\frac{100\%}{x\%}=\frac{9}{42}$

Step 7: Taking the inverse (or reciprocal) of both sides yields

$\frac{x\%}{100\%}=\frac{42}{9}$

$\Rightarrow x=466.67\%$

Therefore, $42$ is $466.67\%$ of $9$.

4 0
3 years ago
Read 2 more answers
Write and evaluate the expression. Then, complete the statements. A 1-column table with 5 rows. Column 1 is labeled Multiplicati
77julia77 [94]

Yuna ran three times as many kilometers so here expression should be 3k and the answer is 36.6

We have given that k = 12. 2

We have to find the expression

<h3>What is the writing and evaluating the expression?</h3>

Expressions are considered to be mathematical statements that have at least of two terms comprised of numbers or variables that should be linked. It could be of addition, subtraction, multiplication, or division.

Write the expression as  3k

Second, substitute 12.2 in for the variable, k.

Third,  simplify by  multiplying 3 and 12.2.

Therefore the answer is 36.6

Learn more about expression here:

brainly.com/question/723406

4 0
2 years ago
Let x stand for the number of bananas in one bag. write an equation to find x.
xz_007 [3.2K]
(7-1)/3=x
(14-2)/4=x
1. x=2
2. x=3

If you are looking for the number of bananas per bag you must first subtract your remainders from the total number of bananas, then divide those bananas by the number of bags and you have your answer.
8 0
3 years ago
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Plot the x- and y-intercepts to graph the equation. y=−12x−3
Lisa [10]
X-intercept; -.25
y-intercept; -3
8 0
2 years ago
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Krystal puts three pencils in order from longest to shortest. What is a fast way to order the same pencil from shortest to longe
mart [117]
By flipping the order

7 0
3 years ago
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