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Svet_ta [14]
3 years ago
9

How do I prepare for the PSAT? Every time I take a practice test, I get stuck on a problem that is within my topic range, but fo

r some reason I cannot understand it. Whenever I look at the explanation, I get it, but I cannot do it on my own. Any idea how I can efficiently prepare for it?
Mathematics
1 answer:
melamori03 [73]3 years ago
8 0

Answer:

Maybe you can have someone read it to you to see if you can answer it that way after you answer it on your own a cupple of times

Step-by-step explanation:

You might be interested in
Whats the sum of 7/2/5 yards and 3/5 yards
soldi70 [24.7K]
The sum is 8 wholes because if you add 3 and 2 you get 5 and the denominator stays the same so that becomes a whole and you add that 7 wholes plus the other 1 whole and you get 8
3 0
3 years ago
Calculate the a) future value of the annuity due, and b) total interest earned. (From Example 2)
vredina [299]

Answer:

  • value: $66,184.15
  • interest: $6,184.15

Step-by-step explanation:

The future value can be computed using the formula for an annuity due. It can also be found using any of a variety of calculators, apps, or spreadsheets.

__

<h3>formula</h3>

The formula for the value of an annuity due with payment P, interest rate r, compounded n times per year for t years is ...

  FV = P(1 +r/n)((1 +r/n)^(nt) -1)/(r/n)

  FV = 5000(1 +0.06/4)((1 +0.06/4)^(4·3) -1)/(0.06/4) ≈ 66,184.148

  FV ≈ 66,184.15

<h3>calculator</h3>

The attached calculator screenshot shows the same result. The calculator needs to have the begin/end flag set to "begin" for the annuity due calculation.

__

<h3>a) </h3>

The future value of the annuity due is $66,184.15.

<h3>b)</h3>

The total interest earned is the difference between the total of deposits and the future value:

  $66,184.15 -(12)(5000) = 6,184.15

A total of $6,184.15 in interest was earned by the annuity.

3 0
2 years ago
Guys please help me
Evgesh-ka [11]

Answer:

-2

Step-by-step explanation:

5 0
4 years ago
Which system of equations below has infinitely many solutions?
Zolol [24]

Answer:

The answer is B

Step-by-step explanation:

2x+2y =10 and y= -x +5

These are not in the same form so thats the first step

2x+2y=10

we minus 2x from both side which turns into

2y=-2x+10 (the variable always comes first)

Secon step is to divide 2 from the y to everything so 2y divided by 2 = y

-2 divided by 2 is -x and 2 divided by 10 is 5 and now you have the same equations which leads to infinite

y=-x+5

6 0
3 years ago
What is the complete Factorization 3x^2-75
lozanna [386]
After a first glance you can see that 3x^2 - 75 is not a difference of squares in the current form, because for one 3 and 75 are not squares. 

So we'll have to see if we can factor something out of both of them. The only number it can be is 3, because the only number besides 3 that goes into 3 is 1. 

So is there any number that can multiply by 3 to equal 75? 

If you said 25 then you are correct. :p 

So then our problem would look like this: 
3(x^2 - 25) 

Now we have a difference of squares!

Remember a difference of squares can be factored like this!

(a^2 - b^2) = (a - b)(a + b) 

3(x - 5)(x + 5)
Is our answer!
5 0
4 years ago
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