west palm beach, florida, gets rain about 16 percent of the time. on how many days out of 400 can residents of west palm beach predict they will get rain?

Answers

Answer 1

Answer: Remember that 16%=16/100=0.16

If it rains 16% of the time, out of 400 days...

400*0.16=64days

you can predict they'll get 64days of rain

Answer=64days

Answer 2

Answer: Do a proportion. 16/100=x/400. 100x=6400. 6400/100= 64.
The answer is 64 days

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Help!!! I don’t get this :(

Answers

You have to use distributive property. Multiply the numbers outside of the parenthesis by the numbers inside. For example, you would multiply 0.4 by 2x first, then multiply it by 1/2. You should get two answers. Write them down in this form: first answer + second answer. Then do the same for the other side of the equal sign, but leave the - 4 alone. If you need more help, let me know

Solve for x and y please!

Answers

Answer:

$x = 8$

$y=2√(3)$

Step-by-step explanation:

The figure is composed of 3 Right triangles. To find the values of the variables x and y we use the Pythagorean theorem to propose one equation.

$x^2 =4^2 + (4√(3))^2$

Now we solve for x

$x=\sqrt{4^2 + (4√(3))^2}$

$x=√(16 +16*3)\n\nx=√(64)\n\nx=8$

Let's call z at the angle opposite to y

Then we have that:

$sin(z) =(opposite)/(hypotenuse)$

Where

$hypotenuse = 8$

$opposite=4$

$sin(z) =(4)/(8)$

$z=sin^(-1)((1)/(2))$

$z=30$

Now we use this angle to find the length y

$sin(z) =(opposite)/(hypotenuse)$

Where in this case

$hypotenuse = 4√(3)$

$opposite=y$

$z=\°30$

$sin(30\°) =(y)/(4√(3))$

$y=sin(30\°)*4√(3)$

$y=2√(3)$

Samantha earns $18 per hour. How much will she earn if she works for 12 3/4 hours?

Answers

Answer:

She earned $229.50

Step-by-step explanation:

1 hr = $18

12.75 hrs = $18 × 12.75

= $229.50

$ 216
This is the answer

The eatery restaurant has 200 tables. On a recent evening there were reservations for 1/10 of the tables. How many tables were reserved?

Answers

20 the answer for this is 20

What is the decimal representation of seven hundredths

Answers

0.07 or .07 is the same

Which of these is a point-slope equation of the line that is perpendicular to y-3=4(x-10) and passes through (-3,7)?A. y+7= -1/4(x-3)
B. y-7= -1/4(x+3)
C.y+7= 4(x-3)
D.y-7= -4(x+3)

Answers

Answer:

Step-by-step explanation:

The point slope form of a line is $(y-y_1)=m(x-x_1)$ where $x_1=-3\ny_1=7$ . We can find the slope which is perpendicular to the slope of 4 in the equation y=4(x-10). Perpendicular slope is the negative reciprocal which is -1/4.

We write

$(y-7)=-(1)/(4)(x--3)\n(y-7)=-(1)/(4)(x+3)$

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