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Tems11 [23]
4 years ago
8

I don't quite remember how to do this check up

Mathematics
1 answer:
Dimas [21]4 years ago
5 0
A calculator says,
a) account balance: $208.12, so interest earned = $8.12
b) account balance: $1040.60, so interest earned = $40.60
c) account balance: $83,248.32, so interest earned = $3,248.32

_____
The compound interest multiplier for one year is (1 +r/n)^n, where r is the annual rate and n is the number of compoundings in a year. For this problem, you have r=.04, n=4.

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What is the answer to the question 2+2+x-7=21?
k0ka [10]
Lets get started :)

2 + 2 + x - 7 = 21
11 + x = 21

We have to subtract 11 on both sides to isolate x

11 ( - 11 ) + x = 21 ( - 11 )
11 and 11 cancels out

x = 10
3 0
3 years ago
Read 2 more answers
What is the maximum number of solutions each of the following systems could have?
Lilit [14]

Answer:

-zero

-two

-two

-four

Step-by-step explanation:

edge. answers

6 0
3 years ago
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The deciles of any distribution are the points that mark off the lowest 10% and the highest 10% of the distribution. the deciles
Levart [38]

(a) We need to figure out the deciles for a normal distribution curve in this part.

In order to do so, we need to find the z score corresponding to probability 0.10 and 0.90 on the normal distribution curve.

Upon looking at the normal distribution table, we can see that the probability P = 0.10 corresponds to a z score of -1.28 and probability P = 0.90 corresponds to a z score of 1.28.

Therefore, deciles are -1.28 and 1.28 for a normal distribution curve.

(b) In this part, we are given that mean height is 69.5 inches and standard deviation in height is 2.7 inches. Therefore, we can find the deciles using the z score formula as shown below:

z=\frac{x-\mu}{\sigma }\Rightarrow \pm 1.28=\frac{x-69.5}{2.7}\\
x-69.5 = \pm 3.456\Rightarrow x=69.5\pm 3.456\Rightarrow \\
x=66.044,72.956

Therefore, the required deciles are 66.044 and 72.956

7 0
3 years ago
Jordan is mixing water and flour to make tortillas. The number cups of water, w needed for f cups of flour is described by the e
Tresset [83]

Answer:

1\frac{1}{3} cups of flour.

Step-by-step explanation:

Given that:

w is the number of cups of water to be mixed with flour for making tortillas.

f is the number of cups of flour to be mixed with water for making tortillas.

Relation between w and f is given by the equation:

w=0.75f

To find:

Number of cups of flour to be added if number of cups of water to be used is 1.

Solution:

We are given an equation with two variables.

Value of one variable is given and we have to find the value of other variable.

1=0.75f\\\Rightarrow f = \dfrac{1}{0.75}\\\Rightarrow f = 1.33

Number of cups of flour to be added = 1\frac{1}{3}

6 0
3 years ago
Courtney has 12 fewer stickers than tina. how many stickers does courtney have in terms of x?
Annette [7]

Answer:

X-12

X×4

X + 7

X x 2/3

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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