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AleksandrR [38]
3 years ago
12

Help me pleaseeee :)

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
8 0

Answer:

first from the top

Step-by-step explanation:

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7 0
4 years ago
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olasank [31]
I think it is 2.7% ....
7 0
3 years ago
Solve for the indicated variable.
Hunter-Best [27]

Answer:

<h3><u>1.</u>)</h3>

3n + 1 = 7n - 5

1 + 5 = 7n - 3n

6 = 4n

3/2 = n

<h3><u>2</u><u>.</u>)</h3>

2[x + 3(x - 1)] = 18

2[x + 3x - 3] = 18

2(4x - 3) = 18

8x - 6 = 18

8x = 12

x = 12/8

x = 3/2

<h3><u>3</u><u>.</u>)</h3>

6(y + 2) - 4 = -10

6y + 12 - 4 = -10

6y = -10 - 8

6y = -18

y = -3

<h3><u>4</u><u>.</u>)</h3>

2x² = 50

x² = 50/2

x = √25

x = 5

<h3><u>5</u><u>.</u>)</h3>

5 + 2(k + 4) = 5(k - 3) + 10

5 + 2k + 8 = 5k - 15 + 10

2k - 5k = -5 - 13

-3k = -18

k = 6

<h3><u>6</u><u>.</u>)</h3>

6 + 2x(x - 3) = 2x²

6 + 2x² - 6x = 2x²

-6x = 2x² - 2x² - 6

x = 1

<h3><u>7</u><u>.</u>)</h3>

2/3x - 18 = x/6

12(2/3x - 18 = x/6)

8x - 216 = 2x

8x - 2x = 216

6x = 216

x = 36

<h3><u>8.</u>)</h3>

x - 2/3 = 2x + 1/4

12(x - 2/3 = 2x + 1/4)

4x - 8 = 6x + 3

4x - 6x = 8 + 3

2x = 11

x = 11/2

<u>-TheUnknownScientist</u><u> 72</u>

3 0
3 years ago
What is the order from least to greatest with the numbers 5 13/30 5 1/6 5 68/90
mezya [45]

Answer:

Step-by-step explanation:

5 1/6, 5 13/30, 5 68/90

7 0
3 years ago
Find the height of a parallelogram with an area of 300 square yards and a base of 15 yards
dmitriy555 [2]

Answer:

The formula for the area of a parallelogram is bh.

15(h) = 300

h = 20

The height of the parallelogram is 20 yards.

3 0
3 years ago
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