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3 years ago

9. If J= 12, what is J/3 + 3?

Mathematics

2 answers:

Roman55 [17]3 years ago

8 0

Answer:

I believe it's 7

Step-by-step explanation:

If J = 12 then the equation would be:

(12/3) + 3

12/3 is 4.

4 + 3 is 7. That should be the correct answer...unless I'm missing something.

3241004551 [841]3 years ago

6 0

Answer: the answer is 7.

Step-by-step explanation:

you take 12, divide it by 3 to get 4, then you add 3 to get 7.

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Which of the following expressions is equal to g(x)?

Tatiana [17]

Answer:

Option D is right

Step-by-step explanation:

Given are two graphs. The first one is given as

$f(x) = log_{2} x\\$

The second one equation we have to find out.

Option A given as

$g(x) =\frac{1}{2} log_{2} x$ is having x intercept as

(0,1/2). But our g(x) has x intercept as 1. Hence not correct.

Option B: $g(x) = log_{2} \frac{1}{2} x$

This has x intercept as (0,2). Since does not match with g(x) not correct

OPtion C:

$g(x) = log_{2} 2x$

Here x intercept = 1 matches with ours.

Also g(2) = 2, twice as that of original f(x)

Hence option C is not right

Option D is only right because x intercept should be 1 and also when x=4 y=2(log 4 to base 2)

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3 years ago

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Ms. Lee wrote a test with 15 multiple choice short answer questions. The multiple choice questions x are worth 5 points and the

hram777 [196]

x + y = 15 and 5x + 10y = 100 are the system of equations that represent this situation

Solution:

Let "x" be the number of multiple choice questions

Let "y" be the number of short answer questions

Worth of 1 multiple choice questions = 5 points

Worth of 1 short answer question = 10 points

Ms. Lee wrote a test with 15 multiple choice short answer questions

Therefore,

number of multiple choice questions + number of short answer questions = 15

x + y = 15 -------- eqn 1

The maximum number of points possible on the test is 100

Therefore, we frame a equation as:

number of multiple choice questions x Worth of 1 multiple choice questions + number of short answer questions x Worth of 1 short answer question = 100

$x \times 5 + y \times 10=100$

5x + 10y = 100 ------- eqn 2

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Answer:

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Step-by-step explanation:

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2 years ago

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True [87]

Negative one would be the answer

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Mrac [35]

To answer this problem, let p be the price of each scrub. The total bill (t) is the sum of the price of the potting soil (s) and of the 9 scrubs (n). This is depicted in the equation,
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