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uranmaximum [27]
4 years ago
7

Jack,sally, and joe all work in a bookstore.jack sold 126 books.joe 1/2 as many books as jack,and sally sold 1/3 as many books a

s joe . How many books did sally sell?
Mathematics
1 answer:
Darina [25.2K]4 years ago
7 0

Sally sold 2302323 books!

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How to find the mean of a data set with a missing value?
kotykmax [81]
<span>If you are given a mean and asked for one of the data values, you can still use the basic method for determining the mean, but work backwards. Generally we add up all the values and then divide by the number of values. In this case, working backwards, we multiply by the number of values (instead of dividing) and then subtract (instead of adding). You should be left with a data value from the set. </span>
5 0
3 years ago
Seven times a number plus three times another number equals -1 the sum of two numbers is -3 what are the numbers? 25 points!!
Reptile [31]
7x+3y=-1
x+y=-3

8x+4y=-4
2x+y=-1
y=-1-2x

x+y=-3
x-1-2x=-3
-x=-2
x=2
y=-1-2*2=-1-4=-5
5 0
3 years ago
What is the balance after 15 years in a savings account that earns 2% interest compounded bimonthly when the initial deposit is
motikmotik

The amount will be equal to $1348.07. The correct option is A.

<h3>What is compound interest?</h3>

Compound interest is the interest levied on the interest. The formula for the calculation of compound interest is given as:-

\rm A = P(1+\dfrac{r}{n})^{nt}

Compound Interest Formula:

A = Account Balance

P = Principle/Initial Amount

r = Rate of Interest (decimal)

n = Number of times compounded (per year)

t = Number of Years

Given Information

Account Balance = ?

It is given that the balance after 15 years in a savings account earns 2% interest compounded bi-monthly when the initial deposit is 1000.

This is because we are gaining money, so the multiplier should be greater than 1. We already added 1, which is 100% so you simply add the 0.02 for the extra 2%.

Number of times compounded per year = 6

This is because it is being compounded bi-monthly, or once every 2 months. 12 months divided by 2 months is 6 months, so 6 times a year.

Number of years = 15

Solve by plugging the given values into the formula.

\rm A = P(1+\dfrac{r}{n})^{nt}

\rm A = 1000(1+\dfrac{0.02}{6})^{6 \times 15}

A = 1000 x (1.14)

A = $1348.07.

Therefore, the amount will be equal to $1348.07. The correct option is A.

To know more about Compound interest follow

brainly.com/question/24924853

#SPJ1

3 0
2 years ago
3 + 2(2x + 8) = 1 is equivalent to:
suter [353]

Answer:

x = -\frac{9}{2}

Step-by-step explanation:

=> 3+2(2x+8) = 1

=> 3+4x+16 = 1

=> 4x+19 = 1

=> 4x = 1-19

=> 4x = -18

<u><em>Dividing both sides by 4</em></u>

=> x = -\frac{18}{4}

=> x = -\frac{9}{2}

8 0
3 years ago
Read 2 more answers
Determine the truth value of the statement. A triangle has three sides and a pentagon has five sides. True False
ella [17]
True. A triangle will always have three sides, and a pentagon will always have five.
6 0
3 years ago
Read 2 more answers
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