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almond37 [142]
4 years ago
10

A checking account rounds the amount of money deposited to the nearest hundredths place. After tax returns on April 15th, Yuan e

arned exactly $336.3457 in returns. How much money was deposited into the checking account?
Mathematics
1 answer:
ludmilkaskok [199]4 years ago
6 0

Answer:

\boxed{\text{\$336.35}}

Step-by-step explanation:

Yuan earned $336.3457.

You are asked to round this number to the nearest hundredth, that is, so there are only two digits after the decimal.

$336.34|57

A rule in rounding numbers is: if the first figure to be dropped is 5 with any nonzero digits following it, then the last figure kept should be rounded up (increased by 1).

The number becomes $336.35.

\boxed{\large \textbf{\$336.35}} \text{ was placed in Yuan's checking account}

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Taya2010 [7]

Answer:

the answer is 12 gallons

Step-by-step explanation:

make fractions improper:

9/8 and 25/2

make them have a common denominator:

9/8 and 100/8

to make a whole gallon but what you do to one side you do to the other:

9/8-1/8=8/8

100/8-1/8=99/8

divide 99/8:

12.375

round down:

12

7 0
3 years ago
What should be done to both sides of the equation in order to solve w - 9 1/2 = 15?
Effectus [21]

Answer:

Solve for  

w

by simplifying both sides of the equation, then isolating the variable.

Exact Form:

w

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49

2

Decimal Form:

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Mixed Number Form:

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8 0
4 years ago
Anna, Ivan and Elena are running for class president. On Thursday night Anna had 20% of the votes, Ivan had 35% of the votes and
hodyreva [135]

Answer:

28%

Step-by-step explanation:

On Thursday night Anna had 20% of the votes, Ivan had 35% of the votes and Elena had 45% of the votes. You can take the number of total votes on Thursday equal to 100, then Anna had 20 votes, Ivan had 35 votes and Elena had 45 votes.

Let x be the number of votes added on Friday. All of them favored Elena, then Elena in total had 45+x votes and the number of all votes became 100+x. In the end Anna had 16%, then

100+x - 100%,

20 - 16%.

Write a proportion:

\dfrac{100+x}{20}=\dfrac{100}{16},\\ \\16(100+x)=2000,\\ \\1600+16x=2000,\\ \\16x=400,\\ \\x=25.

Find the percent of the voters that chose Ivan:

125 - 100%,

35 - y%.

Write a proportion:

\dfrac{125}{35}=\dfrac{100}{y},\\ \\125y=35\cdot 100,\\ \\y=\dfrac{35\cdot 100}{125}=\dfrac{35\cdot 4}{5}=7\cdot 4=28\%.

5 0
3 years ago
Read 2 more answers
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deff fn [24]
Umm, I think it is the first one.
3 0
3 years ago
Read 2 more answers
A​ person's blood pressure is monitored by taking 4 readings daily. The probability distribution of his reading had a mean of 13
ss7ja [257]

Answer:

a) Mean = 133, Standard deviation = 2.5

b) Normal distribution

c) 0.0026

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 4

Mean = 133

Standard deviation = 5

a) Mean and the standard deviation of the sampling distribution of the sample mean for the four observations each day.

The sampling distribution has a mean equal to the population mean

\bar{x} = \mu = 133

The standard deviation of the sampling distribution is given by:

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b) Shape of the sampling​ distribution

Central limit theorem:

When a large sample is drawn from a normal distribution, then the distribution of sample means approaches a normal distribution.

Since the distribution is normal,  the sampling distribution of the sample mean will be bell shaped and follow a normal distribution.

c) P(sample mean exceeds 140)

P( x > 140) = P( z > \displaystyle\frac{140 - 133}{2.5}) = P(z > 2.8)

= 1 - P(z \leq 2.8)

Calculation the value from standard normal z table, we have,  

P(x > 140) = 1 - 0.9974 = 0.0026

0.0026 is the probability that the sample mean exceeds 140.

6 0
3 years ago
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