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sashaice [31]
3 years ago
6

luisa has 12 playing cards.she place 2 out of every 3 cards face up how many cards are face up and how many are face down

Mathematics
1 answer:
Natasha2012 [34]3 years ago
4 0
If 2/3 of the cards are face-up, then 2/3*12=8 cards are face-up.  The remaining 12-8=4 cards are therefore face down.
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(Sumatoria) Si 7 + 14 +...+ 7n = 1617, el valor de n es...
Naily [24]

Answer:

n=2

Step-by-step explanation:

7+14 = 7+7*2

7*2=14

1,617 -7 =1,610

1,610: 14 = 115

Al numero 7 se le  suma 115 veces el numero 14(que es lo mismo que 7*2)

115*14 = 1,610

7+1,610 = 1,617

7 0
3 years ago
Which statement regarding the interior and exterior angles of a triangle is always true?
faust18 [17]

A: an exterior angle is supplementary to the adjacent interior angle.

3 0
3 years ago
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30 pts.!! Which expression is equivalent to (4√5^3)^1/2? <br>5^3/8 <br>5^6 5^16/3 <br>5^2/3
vampirchik [111]

it would be 5^6 5^16/

5 0
4 years ago
Evaluate the function f(x) = 2x + 2, when x = -1<br> W.4<br> X. 3<br> Y. O <br> Z -4
madreJ [45]

Hello.

Simply plug -1 into 2x+2.

f(x) = 2x +2

f(-1) = 2 (-1) +2

f (-1)= -2+2

f(-1) = 0

Hope this helped.

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Disclaimer:

Always double check your answer with a reliable source, as mistakes can be made.

3 0
4 years ago
I am a part of a whole I am greater than 3/4 but less than 9/10. I am a decimal with 3 in the hundredths place. What number am I
Alborosie

Answer:

"You" are 0.83.

(Alternative fraction version: 83/100)

Step-by-step explanation:

First, let's turn 3/4 and 9/10 into decimals.

3/4 becomes 0.75, and 9/10 becomes 0.9.


We know that it has to be a decimal, and we also know it must be greater than 0.75 but less that 0.9.


It can't be 0.73, since that's less than 0.75. It also can't be 0.93, since that's over 0.9. That means we're left with 0.83.

Our final answer is 0.83, AKA 83/100.

8 0
3 years ago
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