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JulijaS [17]
3 years ago
13

What is

4}{6} = \frac{b}{2}" alt="\frac{b-4}{6} = \frac{b}{2}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Gala2k [10]3 years ago
5 0

Answer:

b = -2

Step-by-step explanation:

1) Cross multiply the proportion, in turn, you receive 2(b-4) = 6b.

2) Simply said equation, you should have 2b - 8 = 6b.

3) Subtract the 2b from each side, effectively canceling it out on the left (original position) and resulting in 6b to become 4b (6b - 2b = 4b).

4) After you have -8 = 4b, you can divide both sides by 4, canceling out on the right (original position).

5) You are finally left with -2 = b, reversing this results in b = -2.

-2 is your answer.

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What is the value of x if x =3^2​
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Answer:

9

Step-by-step explanation:

Raise 3 to the power of 2.

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3 years ago
X²-7=0 extracting square roots​
Irina-Kira [14]

Answer:

x = ± \sqrt{7}

Step-by-step explanation:

Given

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4 0
3 years ago
PLS HELP
sertanlavr [38]

Answer:

C. 76 + 7i

Step-by-step explanation:

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8 0
3 years ago
Nia made some warm salt water help her her sore throat. She mixed 1 teaspoon salt with 3 cups water. Nia’s mom wanted to make mo
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Answer:

5/3 teaspoons (if you don't want an improper fraction, it's 1 2/3 teaspoons)

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If she uses 1 tsp for 3 cups, then the amount needed for one cup is 1/3 tsp.

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8 0
3 years ago
A card game goes like this: you draw a card from a 52-card deck. if it is a face card (jack, queen or king), you win $4; otherwi
GREYUIT [131]
Your expected value is -$0.62.

We multiply the probability of winning by the amount won.  There are 12 face cards out of 52 cards, and the amount won is 4:

12/52(4)

We also multiply the probability of losing by the amount lost.  There are 40 cards that are not face cards out of 52, and the amount lost is 2:

40(52)(-2)

Adding these, we have: 

(12/52)(4)-(40/52)(2) = -0.62.
8 0
3 years ago
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