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4 years ago

30 POINT QUESTION

Mathematics

2 answers:

mr_godi [17]4 years ago

4 0

Answer:

96 flag signals are possible.

Step-by-step explanation:

groups = 2

blue flags = 4

red flags = 2

arrangements # = 2! x 4! x 2!

= 96

blondinia [14]4 years ago

3 0

Answer:

took the test ez

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It takes one examiner 40 hours to mark 100 exam papers.

krok68 [10]

Answer:

Step-by-step explanation:

3 0

3 years ago

For what values of x is x^2 + 2x = 24 true?

maw [93]

Answer:

$x = -6, x = 4$

Step-by-step explanation:

Step 1: Factor

Subtract 24 from both sides

$x^2 + 2x- 24 = 24 - 24$

$x^2 + 2x - 24 = 0$

Make two different x's

$x^2 + 2x - 24 = 0$

$x^2 + 6x - 4x - 24 = 0$

Make two different parenthesis

$x^2 + 6x - 4x - 24 = 0$

$(x + 6)(x - 4) = 0$

Step 2: Solve for x in both equations

$x + 6 = 0$

$x + 6 - 6 = 0- 6$

$x = -6$

$x - 4 = 0$

$x - 4 + 4 = 0 + 4$

$x = 4$

Answer: $x = -6, x = 4$

6 0

3 years ago

Hey can u help me with this

Liula [17]

Answer:

24 cubes

Step-by-step explanation:

First, we need to find the volume of the prism. To do this, we multiply the length by the width by the height, so $1 \cdot 2 \cdot \frac {3}{2} = 3$ . Then, we need to find the volume of one small cube, which has a length, width, and height of $\frac {1}{2}$ , so $\frac {1}{2} \cdot \frac {1}{2} \cdot \frac {1}{2} = \frac {1}{8}$ . Then we divide the volume of the prism by the volume of a cube to find how many could fit, so $3 \div \frac {1}{8} = 24.$