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3 years ago

Select True or False for each statement

Mathematics

2 answers:

adoni [48]3 years ago

6 0

<span>False

</span>
<span>True.

glad to help out
</span>

Liula [17]3 years ago

5 0

1) FALSE

2) TRUE ..........

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A sum of money is placed at simple interest for 3 years at 10% annum and then the amount is invested for 3 years at the same rat

fgiga [73]

Answer:

Initial principal -$300,000

Investment amount after yr 3-$390,000

Final investment amount, after 6 yrs-$519,090

Step-by-step explanation:

Let X be the amount initially invested.

#The amount after 3 yrs of simple interest is calculated as:

$I=PRT\\\\A=P+I\\\\A=X+X\times 0.1\times 3\\\\A=1.3X$

#The amount after 5 yrs is calculated by compounding the amount after 3 yrs for 2 yrs at 10%:

$A=P(1+i)^2\\\\471900=1.3X(1.1)^2\\\\471900=1.573X\\\\X=300000$

Hence, the amount initially invested as $300,000

#Amount of invested after 6 yrs is therefore:

$A=P(1+i)^n\\\\=471900\times1.1\\\\=519090$

Hence, the total amount of the investment after 6 yrs is $519,090

#Substitute X in simple interest equation to find amount after 3 yrs of simple interest:

$I=PRT\\\\A=P+I\\\\A=X+X\times 0.1\times 3\\\\A=1.3X\\\\=1.3\times 300000\\\\=390000$

Hence, the total amount of the investment after first 3 yrs is $390,000

3 0

4 years ago

NEED HELP ON THIS ASAP

Galina-37 [17]

Answer:66

Step-by-step explanation:

62+64+66+68=260

8 0

3 years ago

Which expression can be used to find the difference of the polynomials?

nadya68 [22]

Answer:

D is correct. ( 4m - 5 ) + ( -6m + 7 - 2n )

Step-by-step explanation:

We are given a difference of two polynomial

(4m-5) - (6m-7+2n)

We need to choose correct choice which is equivalent to given expression.

Here we have minus sign between two parentheses.

First we distribute minus sign over (6m-7+2n) using distributive property.

Minus sign will distribute with each term inside (6m-7+2n).

When it will distribute it changes the sign of each term inside the parentheses.

$6m\rightarrow -6m$

$-7\rightarrow +7$

$+2n\rightarrow -2n$

After distribution we get

( 4m - 5 ) + ( -6m + 7 - 2n )

Thus, D is correct option which is similar to given expression.

6 0

4 years ago

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Will the graph of y = (7.25x)^2 be stretched or compressed horizontally or vertically when compared to the parent function y = x

Readme [11.4K]

I believe it is b if I’m right

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3 years ago

A putt putt course offers a deal that when you purchase 10 rounds you get 1 round for free. If you played a total of 35 rounds,

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4 years ago