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3 years ago

7

Isabel invested $200 in a fund for 6 years and was paid simple interest. The total interest that she received on the investment

was $48. As a percentage, what was the annual interest rate of her investment.

1 answer:

Leya [2.2K]3 years ago

3 0

You need to do cross multiplication

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Given A={x ∈ Z : x is even}, B={x ∈ Z : x is prime number}, C={x ∈ Z : x is odd}, and D={5, 7, 8, 12, 13, 15}.

Delvig [45]

Answer:

a) {15}

b) { }

c) D or {5, 7, 8, 12, 13, 15}

d) no

e) yes

Step-by-step explanation:

a) AUB: even or prime

D - (AUB) = {15}

b) AUC: even or odd; basically all integers

D - (AUC) = { }

c) A∩B : even and prime, that's only 2

D - (A∩B) = {5, 7, 8, 12, 13, 15} = D

d) A and B, both contain 2

Not disjoint

e) A and C are disjoint because no number can be both, even and odd

6 0

3 years ago

18<br> 8<br> X<br> 12<br> What is the value of x?

grigory [225]

Using Pythagorean theorem, the answer should be D

8 0

3 years ago

What does this mean???

LenKa [72]

Answer:

A lot of things to be honest!

Step-by-step explanation:

I don't know what you are being asked to do but these are some possibilities...

You could graph it. I have the graph linked below.

You could Convert it to Interval Notation

[ 0, $\frac{1}{e}$ ]

You could Evaluate it.

log (8 )

log 2 ( 16 )

√ 2

3 0

3 years ago

What is the equation of the given line in the point slope -form ?

ladessa [460]

Answer:

see below

Step-by-step explanation:

We are given two points (3,4) and (0,1)

so we can find the slope

m = ( y2-y1)/(x2-x1)

= (1-4)/(0-3)

= -3/-3

= 1

The point slope form is

( y-y1) = m(x-x1)

y - (4) = 1 (x-3)

y - (4) = (x-3)

or using the other point

y - 1 = 1( x-0)

y - 1 = x

8 0

3 years ago

How to do this math exercise 4x-2y=60<br> 4x-3y=26

igomit [66]

4x -2y = 60
4x -3y = 26
(-) (+) (-)
__________
1y = 34
y = 34

To find x
4x -2y = 60
4x -(2)(34) = 60
4x -68 = 60
4x = 60 + 68
4x = 128
x = 32

Answer:
x=32 ; y=34

3 0

3 years ago

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