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2 years ago

3.) Write an inequality for the phrase "two more than three times a number is at

Mathematics

1 answer:

stiks02 [169]2 years ago

4 0

Answer:

3x + 2 ≤ 53

Step-by-step explanation:

"2 more than" means that there will be a + 2 in the equation. "3 times a number" means that 3 is multiplied by an unknown number which can be represented by a variable such as x. "At most" means less than or equal to, since the number cannot be greater than.

So generally, you might want to write the equation as 2 + 3x ≤ 53, but 2 + 3x is not in y = mx + b form. Basically, you need to write it as 3x + 2 ≤ 53 because that's how math works.

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In a random sample of 1,000 exams, the average score was 500 points with a standard deviation of 80 points.

bagirrra123 [75]

90% c.I. is given by

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2 years ago

For what value of C will y = sin(x - C) be an even function?<br> a. 2π<br> b. π<br> c. π/2

telo118 [61]

Answer:

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2 years ago

Read 2 more answers

In a sale normal prices are reduced by 10% natalie bought a pair of shoes in the sale for £54

Nookie1986 [14]

Answer:

Step-by-step explanation:

Steps to solve "54 is 90 percent of what number?"

We have, 90% × x = 54

or,

90/100 × x = 54

Multiplying both sides by 100 and dividing both sides by 90,

we have x = 54 × 100/90

x = 60

If you are using a calculator, simply enter 54×100÷90, which will give you the answer.

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1 year ago

Need help with 19-20 your suppose to simplify the expression

lesya692 [45]

To solve problem 19, we must remember the order of operations. PEMDAS tells us that we should simplify numbers in parentheses first, exponents next, multiplication and division after that, and finally addition and subtraction. Using this knowledge, we can begin to simplify the problem by working out the innermost set of parentheses:

36 / [10 - (3-1)²]

36 / [10 - (2)²]

Next, we should still simplify what is inside the parentheses but continue to solve the exponents (the next letter in PEMDAS).

36/ (10-4)

After that, we should compute the subtraction that is inside the parentheses.

36/6

Finally, we can solve using division.

Now, we can move onto problem 20:

1/4(16d - 24)

To solve this problem, we need to use the distributive property, which allows us to distribute the coefficient of 1/4 through the parentheses by multiplying each term by 1/4.

1/4 (16d-24)

1/4(16d) - 1/4(24)

Next, we can simplify further by using multiplication.

4d - 6

Therefore, your answer to problem 19 is 6 and the answer to problem 20 is 4d -6.

Hope this helps!

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2 years ago

The triangles are similar

hoa [83]

Answer:

Part 1) $x=16\ units$