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hjlf
3 years ago
15

1. 3x4^+2y3^x2^

Mathematics
1 answer:
mote1985 [20]3 years ago
4 0

Answer:

9a9+7ab

7ab+9a23a

9a9+7ab

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I need somebody to double check this for me
ryzh [129]
X= 48 is the correct answer. You can always plug in 48 back into the original equation and make sure it works.
48-23+84+48+23=180
6 0
3 years ago
If you know out of 140 pounds, 60 pounds is muscle weight, what is the muscle weight of a 200 pound male?
d1i1m1o1n [39]
You can cross multiply on this and then solve. 

140 / 60 = 200 / x
140x = 12000
x= <span>85.7142857143
x= 85.7</span>
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Which equation has an infinite amount of solutions
castortr0y [4]
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2 years ago
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3 years ago
A single die is rolled twice. Find the probability of rolling an even number the first time and a number greater than 3 the seco
IceJOKER [234]

Events

• A: an even number is rolled in the first time

,

• B: a number greater than 3 is rolled the second time

The probability of rolling an even number is:

\begin{gathered} P(A)=\frac{\text{ number of favorable outcomes}}{\text{ total possible outcomes}} \\ P(A)=\frac{3}{6} \\ P(A)=\frac{1}{2} \end{gathered}

The probability of rolling a number greater than 3 is:

\begin{gathered} P(B)=\frac{\text{ number of favorable outcomes}}{\text{ total possible outcomes}} \\ P(B)=\frac{3}{6} \\ P(B)=\frac{1}{2} \end{gathered}

Events A and B are independent, then the probability of one happening after the other is:

\begin{gathered} \text{ P(A and B) = }P(A)\cdot P(B) \\ \text{ Substituting with the values previously found:} \\ \text{ P(A and B) = }\frac{1}{2}\cdot\frac{1}{2} \\ \text{ P(A and B) = }\frac{1}{4} \end{gathered}

8 0
1 year ago
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