3 years ago

What is the solution for the variable in the equation 7x - (3x + 4) = -2(2x - 1) 1 + 10 *

Mathematics

1 answer:

Elena L [17]3 years ago

7 0

X is equal to minus 5 is the answer

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Please help me do this I don't understand: 5 - 3x + y +6

mafiozo [28]

I hope this helps you

5+6-3x+y

11-3x+y

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3 years ago

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1. 3 apples cost $1.26. How much does 1 apple cost?

Ira Lisetskai [31]

Answer:

=$0.42

Step-by-step explanation:

Divide 1.26 by 3 and you'll get $0.42

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Sum of three-quarters and doubled the cube of k is equal to 1

masha68 [24]

3/4 + 2k^3 = 1

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4 years ago

1/X+4 = 5 it is solving rational equations

finlep [7]

X=1
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3 years ago

g Water use in the summer is normally distributed with a mean of 310.4 million gallons per day and a standard deviation of 40 mi

andreev551 [17]

Answer: The value of b = 0.99

The probability that a day requires more water than is stored in city reservoirs is 0.161.

Step-by-step explanation:

Given : Water use in the summer is normally distributed with

$\mu=310.4\text{ million gallons per day}$

Standard deviation : $\sigma=40 \text{ million gallons per day}$

Let x be the combined storage capacity requires by the reservoir on a random day.

Z-score : $\dfrac{x-\mu}{\sigma}$

$z=\dfrac{350-310.4}{40}=0.99$

The probability that a day requires more water than is stored in city reservoirs is :

$P(x>350)=P(z>0.99)=1-P(z$

Hence, the probability that a day requires more water than is stored in city reservoirs is 0.161

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4 years ago