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san4es73 [151]
3 years ago
11

What is the answer to −3 − (−1)?

Mathematics
1 answer:
vladimir1956 [14]3 years ago
4 0

Answer:

-2

Step-by-step explanation:

Subtracting a negative number is adding the positive number of that

-3 + 1 += -2

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A fund earns a nominal rate of interest of 6\% compounded every two years. Calculate the amount that must be contributed now to
Nesterboy [21]

Answer:

$712.

Step-by-step explanation:

We have been given that a fund earns a nominal rate of interest of 6% compounded every two years. We are asked to find the amount that must be contributed now to have 1000 at the end of six years.

We will use compound interest formula to solve our given problem.

A=P(1+\frac{r}{n})^{nt}, where,

A = Final amount,

P = Principal amount,

r = Annual interest rate in decimal form,  

n = Number of times interest is compounded per year,

t = Time in years.

6\%=\frac{6}{100}=0.06

Since interest is compounded each two years, so number of compounding per year would be 1/2 or 0.5.

1000=P(1+\frac{0.06}{0.5})^{0.5*6}

1000=P(1+0.12)^{3}

1000=P(1.12)^{3}

1000=P*1.404928

\frac{1000}{1.404928}=\frac{P*1.404928}{1.404928}

P=711.7802478

P\approx 712

Therefore, an amount of $712 must be contributed now to have 1000 at the end of six years.

7 0
3 years ago
You are shot out of a cannon at the fair. The equation y=-1/5(x+2) (x-28) models your flight path, where y is the height above t
Alenkasestr [34]

Q: You are shot out of a cannon at the fair. The equation y=-1/5 * (x+2) (x-28) models your flight path, where y is the height above the ground and x is the horizontal distance. Which of the following statements in the comments are true?

a) You reach a maximum height of 45 feet,

b) You will land 11.2 feet from the cannon,

c) The barrel of the cannon is about 11 feet above the ground.

d)At a point 13 feet from the cannon, you begin to descend.

A: When y = 0, x = 28

y’ = 0 at x = 13 where Y is max = 15^2 / 5 = 45

Hence a is true, b is false, c is false, d is false .

4 0
3 years ago
Cooper wrote checks on his checking account for $20 and $35. He also deposited $63 in the account. Which number describes the ch
Licemer1 [7]

Answer:

the change is b 8. 63-55=8 35+20=55

5 0
2 years ago
Which equation has 2 solutions?
WARRIOR [948]

Answer:Umm you can do ratios if you learned it or you can times it

Step-by-step explanation:

Hope this helps

7 0
2 years ago
What is 3/4-1/4 simplified
serg [7]
(1.5) decimal form (mixed number form= 1/2-1) hope this helps.
8 0
2 years ago
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