Answer:
Step-by-step explanation:
Use the basic simple interest formula:
P * r * t = I and put the info into a table with those variables along the top, formig the columns we need:
P * r * t = I
Acct 1
Acct 2
If we have a total of 1500 to split up between 2 accounts, we put x amount of money into one and then have 1500-x left to put into the other. We will fill those in along with the interest rates in decimal form and the time of 1 year:
P * r * t = I
Acct 1 x .04 1
Acct 2 1500-x .05 1
Looking at the formula we are told that Prt = I, so we will multiply P times r times t and fill in the I column:
P * r * t - I
Acct 1 x .04 1 .04x
Acct 2 1500-x .05 1 .05(1500-x)
The total Interest earned by the addition of the interest earned from both accounts is 69.50. So we add the interest column together and set it equal to 69.50:
.04x + .05(1500 - x) = 69.50 and
.04x + 75 - .05x = 69.50 and
-.01x = -5.5 so
x = 550
That's how much money is in the account earning 4% interest.
Answer:
<h2>The answer is option A</h2>
Step-by-step explanation:
<h3>

</h3>
<u>First of all cross multiply</u>
That's
g( wd + f ) = a + bc
<u>Multiply the terms at the left side of the equation</u>
We have
gwd + fg = a + bc
<u>Send fg to the right side of the equation</u>
That's
gwd = a + bc - fg
<u>Divide both sides by dg to make W stand alone</u>
<h3>

</h3>
We have the final answer as
<h2 /><h2>

</h2>
Hope this helps you
Check the picture below.
so, the hyperbola looks like so, clearly a = 6 from the traverse axis, and the "c" distance from the center to a focus has to be from -3±c, as aforementioned above, the tell-tale is that part, therefore, we can see that c = 2√(10).
because the hyperbola opens vertically, the fraction with the positive sign will be the one with the "y" in it, like you see it in the picture, so without further adieu,

Answer:
the fourth number would be 9
Step-by-step explanation:
the last number would be 9 because if you know the mean is 7 and there are 4 numbers then you multiply 4*7 then subtract 5, 7 and 7 to get 9