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3 years ago

Simplify. Give your answer in radical form. 2√(-125)

Mathematics

1 answer:

gregori [183]3 years ago

7 0

I think the answer will be 10 square root of 5 with a I.

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A cinama has 3 screens on last saturday the was 500 visitors 40% went to screen 1 25% went to screen 2 and the rest to screen 3

olga nikolaevna [1]

Answer:

The answer to your question is 200 visitors went to screen 1

125 visitors went to screen 2

175 visitors went to screen 3

Step-by-step explanation:

Data

3 screens

total number of visitors = 500

40% screen 1

25% screen 2

rest screen 3

Process

1.- Calculate the 40% of 500

500 visitors ------------------- 100%

x ------------------- 40%

x = (40 x 500) / 100

x = 20000/100

x = 200 visitors

2.- Calculate the 25% of 500

500 visitors ------------------- 100%

x ------------------- 25%

x = (25 x 500) / 100

x = 12500/100

x = 125

3.- Calculate the number of visitors to screen 3

500 - 200 - 125

175

6 0

3 years ago

Can someone help me find the slope intercept of this ?<br><br> 2x-8y=16

BigorU [14]

Answer:

The answere is y= 1/4x-2

Step-by-step explanation:

subtract 2x from both sides to get -8y=-2x+16

then divide -8 on all terms to get y=2/8x-2

then simplify the 2/8 to get y=1/4x-2

6 0

4 years ago

Convert -0.0647 to Scientific Notation

Firlakuza [10]

Answer:

6.47 x 10^-2

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Cynthia's uncle told her to save 20% of her earnings

WARRIOR [948]

Find 100/20 x 30
=150

4 0

3 years ago

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