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Elan Coil [88]
3 years ago
5

What is the answer to 6÷2(1+2)

Mathematics
2 answers:
Debora [2.8K]3 years ago
6 0
6 ÷ 2 (2+1) = 6 ÷ 2 × 3 = 3 × 3 = 9
ch4aika [34]3 years ago
6 0
To follow the order of operations, you would first need to simplify (1+2) to 3.

You now have <span>6÷2×3

Next, you have to divide 6 by 2 which gives you 3.

You now have 3×3


Finally, multiply 3 by 3.

Your final answer is 9.</span>
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Twice a number plus twice a second number is 310. The difference between the numbers is 55. Find the numbers by writing and solv
yan [13]

The numbers are 105 and 50

<em><u>Solution:</u></em>

Let "x" be the first number

Let "y' be the second number

Twice a number plus twice a second number is 310

Therefore,

twice of x + twice of y = 310

2x + 2y = 310 ---------- eqn 1

The difference between the numbers is 55

x - y = 55 -------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

From eqn 2,

x = 55 + y ------ eqn 3

<em><u>Substitute eqn 3 in eqn 1</u></em>

2(55 + y) + 2y = 310

110 + 2y + 2y = 310

4y = 310 - 110

4y = 200

<h3>y = 50</h3>

<em><u>Substitute y = 50 in eqn 3</u></em>

x = 55 + 50

<h3>x = 105</h3>

Thus the numbers are 105 and 50

7 0
3 years ago
Use the grouping method to factor this polynomial completely.<br> 3x3 + 12x2 + 2x + 8
dezoksy [38]

Answer:

(3x^2 + 2)(x + 4).

Step-by-step explanation:

3x3 + 12x2 + 2x + 8

3x^2(x + 4) + 2(x + 4)   The  x + 4 is common to the 2 groups so we have:

(3x^2 + 2)(x + 4).

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Answer:

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Step-by-step explanation:

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kotykmax [81]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
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