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max2010maxim [7]
3 years ago
14

Solve the equation: 3(x−3) + 2x= −49

Mathematics
1 answer:
liraira [26]3 years ago
4 0
X = - 8 should be the answer
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Solve the equation 4\pi =w-6\pi
maksim [4K]

Answer:

4/pi=w-6/pi

<u>4</u><u> </u><u> </u><u> </u>=<u> </u><u>w</u><u>-</u><u>6</u>

<u>Pi</u><u> </u><u> </u><u> </u><u> </u><u> </u><u>pi</u>

Cross mutiply

Pi(w-6)=4(pi)

Wpi - 6pi =4pi

Collect like terms

Wpi=4pi + 6pi

Wpi =10pi

<u>Divide</u><u> </u><u>both</u><u> </u><u>sides</u><u> </u><u>by</u><u> </u><u>pi</u>

<u>Wpi</u><u> </u>= <u>10pi</u>

Pi pi

W = 10

5 0
3 years ago
You deposit $2000 each year into an account earning 5% interest compounded annually. How much will you have in the account in 30
Zarrin [17]

Answer:

3000

Step-by-step explanation:

8 0
2 years ago
18
Cloud [144]

Answer: 100

5

Step-by-step explanation:

a) The mean of a normal distribution is also the median. Half the population will have values above the mean. Half of 200 is 100, so ...

... 100 students will have grades above 70%.

b) 84% is 14% above the mean. Each 7% is 1 standard deviation, so 14% is 2 standard deviations above the mean. The empirical rule tells you 95% of the population is within 2 standard deviations of the mean, so about 5% of students (10 students) got grades higher than 84% or lower than 56%. The normal distribution is symmetrical, so we expect about 5 students in each range.

... about 5 students will have grades above 84%.

3 0
3 years ago
Pls help! What is the range in interval notation?
Anon25 [30]
Do you love Selena Quintanilla?
5 0
3 years ago
Select the postulate that is illustrated for the real numbers. 2(x + 3) = 2x + 6 The commutative postulate for multiplication Mu
madam [21]

Answer:


Step-by-step explanation:

Postulate 5: If two planes intersect, then their intersection is a line.

4 0
3 years ago
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