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3 years ago

What does x equal in this problem?

Mathematics

1 answer:

ivolga24 [154]3 years ago

7 0

1 plus or minus 2i radical 2
i is the square root of -1

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Find x using completing the square method<br> x^2+16n+28 = 0

Nezavi [6.7K]

Answer:

x=√−16n−28 or x=−√−16n−28

Step-by-step explanation:

Step 1: Add -16n to both sides.

x2+16n+28+−16n=0+−16n

x2+28=−16n

Step 2: Add -28 to both sides.

x2+28+−28=−16n+−28

x2=−16n−28

Step 3: Take square root.

x=√−16n−28 or x=−√−16n−28

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3 years ago

What is 9/2 in a percentage

Tpy6a [65]

Answer:

450%

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Mashcka [7]

To solve this we are going to use the formula for compounded interest: $A=P(1+ \frac{r}{n})^{nt}$
where
$A$ is the final amount after $t$ years
$P$ is the initial amount
$r$ is the interest rate in decimal form
$n$ is the number of times the interest is compounded per year
$t$ is the time in years

We know for our problem that $P=1380$ , $r= \frac{5}{100} =0.05$ , and $t=3$ . Since the interest is compounded daily, it is compounded 365 times in year; therefore, $n=365$ . Lets replace those values in our formula to find $A$ :
$A=P(1+ \frac{r}{n})^{nt}$
$A=1380(1+ \frac{0.05}{365})^{(365)(3)}$
$A=1603.31$

We can conclude the amount in Diane's after 3 years will be <span>$1,603.31</span>

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3 years ago

Compute the price of a 3.8 percent coupon bond with 18 years left to maturity and a market interest rate of 7 percent

zzz [600]

The photo below may help you

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Is the complement of a congruent angle it’s supplement

Vedmedyk [2.9K]

Complementary angles add up to 90 degrees. Supplementary angles add up to 180 degrees, so no.

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3 years ago