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2 years ago

9

94.

1 answer:

attashe74 [19]2 years ago

5 0

Answer:

are you cheating again?

Step-by-step explanation:

cuz I wanna know the answer too

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How many permutations exist of the letters a, b, c, d taken three at a time? <br> 24 <br> 12<br> 4

Travka [436]

The correct answer is 24

You have to apply factorials here and formulas. You have 4 letters which means that your n=4, and you have 3 objects at a time which, means that you have 4 different groups of combinations with 6 permutations in each due to the 3! factorial. 6 x 4 is 24.

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3 years ago

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BRO PLS I HAVE TO PASS THIS (click for question) 20 POINTS!

Masja [62]

Answer:

D, E.

Step-by-step explanation:

<u>Simplify</u><u> </u><u>the</u><u> </u><u>expression</u><u> </u><u>inside</u><u> </u><u>the</u><u> </u><u>parentheses</u><u>:</u>

$3(23 + 18) < 6a$

$3(41) < 6a$

<u>Multiply:</u>

$123 < 6a$

<u>Substitute each value provided for a:</u>

Opt A. 123 < 6(18) = 123 < 108. Incorrect option.

Opt B. 123 < 6(19) = 123 < 114. Incorrect option.

Opt C. 123 < 6(20) = 123 < 120. Incorrect option.

Opt D. 123 < 6(22) = 123 < 132. Correct option.

Opt E. 123 < 6(24) = 123 < 144. Correct option.

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2 years ago

Solve this equation for a: 6a+3=45

fenix001 [56]

Answer: 7

Step-by-step explanation:

Step 1: Subtract 3 from both sides.

6a+3−3=45−3

6a=42

Step 2: Divide both sides by 6.

6a /6 = 42 /6

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3 years ago

The variables x and y are directly proportional, and y=2 when x=3. what is the value of y when x=9?

laiz [17]

X varies directly as y
x = ky
3 = 2k
k = $\frac{3}{2}$
when x =9
9 = $\frac{3}{2}$ y
$\frac{18}{3}$ = y
∴y = 6

please mark as brainliest

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3 years ago

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antoniya [11.8K]

4/6

4/6 = 2/3
4/6 = 8/12

Answer : 2/3 and 8/12

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3 years ago

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