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3 years ago

Find the missing length, when you know the perimeter. 9m + 9m + ? + ? = 42m

Mathematics

2 answers:

eimsori [14]3 years ago

8 0

Answer:

The missing length is 12 meters.

Step-by-step explanation:

9+9+x+x=42

Subtract 9 from both sides

9+x+x=33

Subtract 9 from both sides

x+x=24

2x=24

Divide both sides by 2

x=12

The missing length is 12 meters.

qaws [65]3 years ago

7 0

Answer:

MISSING LENGTH IS 12 M

Step-by-step explanation:

9+9+ ? + ? = 42m

18+ X + X = 42m

2X=42-18

2X=24

X=12

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The company financial officer was interested in the average cost of PCs that had been purchased in the past six months. A random

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2995

Step-by-step explanation:

The first quartile (Q1) is defined as the middle number between the smallest number and the median of the data set

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3 years ago

Find the lowest number divisible by 15, 20 & 25.

algol13

Answer:

300.

Step-by-step explanation:

This is the LCM.

15 = 3 * 5

20 = 2 * 2 * 5

25 = 5 * 5

One 5 appears in all 3 factors so we only use this once in the calculation:

LCM = 2 * 2 * 3 * 5* 5 = 300

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3 years ago

Find the simple interest #70000 for 7 1/2 at 3% per annum

madam [21]

Answer:

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2 years ago

Multiply 12x2y4z(-4x3y6z2)

mariarad [96]

Answer:

$-48x^5 y^{10} z^3$ should be the answer

Step-by-step explanation:

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3 years ago

Simplify seven square root of three end root minus four square root of six end root plus square root of forty eight end root min

Cloud [144]

$7\sqrt{3}- 4\sqrt{6} + \sqrt{48} - \sqrt{54}$ simplified as $11\sqrt{3}- 7\sqrt{6}$ or $1.909$ .

Step-by-step explanation:

We need to Simplify seven square root of three end root minus four square root of six end root plus square root of forty eight end root minus square root of fifty four. Which is equivalent to $7\sqrt{3}- 4\sqrt{6} + \sqrt{48} - \sqrt{54}$ :

$7\sqrt{3}- 4\sqrt{6} + \sqrt{48} - \sqrt{54}$

⇒ $7\sqrt{3}- 4\sqrt{6} + \sqrt{48} - \sqrt{44}$

⇒ $7\sqrt{3}- 4\sqrt{6} + \sqrt{16(3)} - \sqrt{9(6)}$

⇒ $7\sqrt{3}- 4\sqrt{6} + 4\sqrt{(3)} - 3\sqrt{(6)}$

⇒ $11\sqrt{3}- 4\sqrt{6}- 3\sqrt{(6)}$

⇒ $11\sqrt{3}- 7\sqrt{6}$

$\sqrt{3} = 1.732 , \sqrt{6} = 2.449$

⇒ $11(1.723)- 7(2.449)$

⇒ $1.909$

Therefore, $7\sqrt{3}- 4\sqrt{6} + \sqrt{48} - \sqrt{54}$ simplified as $11\sqrt{3}- 7\sqrt{6}$ or $1.909$ .

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3 years ago