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3 years ago

many school districts have a summer-vacation that is 72 days long .what is the percent of the entire year is summer vacation?

Mathematics

1 answer:

vichka [17]3 years ago

7 0

19.73% is 72 days of the year

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A walking path across a park is represented by the equation y = -4x + 10. A new path will be built perpendicular to this path. T

kodGreya [7K]

Answer: $y=\frac{1}{4}x-7$

Step-by-step explanation:

The perpendicular slope of the line(m) = $-\frac{1}{m}$ :

m = -4 ⇒ $-\frac{1}{m} =-\frac{1}{(-4)} =\frac{1}{4}$

The function formula is y = mx + b, where the y-intercept(b) is found by substituting in the values of a point on the line ⇒ (4, -6):

$y=\frac{1}{4}x+b\\-6=\frac{1}{4}(4)+b\\-6=1+b\\b=-6-1=-7$

<u>So the perpendicular equation is </u> $y=\frac{1}{4}x-7$ <u>.</u>

7 0

3 years ago

On Friday, March 16, Mr. Post’s beginning checking balance is $80, and his account is credited for a deposit for $50. The same d

sp2606 [1]

Answer:

195

Step-by-step explanation:

IDK :(

6 0

3 years ago

NEED HELP WILL GIVE 5 STAR, THANKS, AND BRAINLIEST FOR BEST ANSWER PLEASE HELP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

yulyashka [42]

Answer:

h = -t+20

After 8 hours the candle will be 12 inches

Step-by-step explanation:

We have 2 points (time, inches)

(3,17) and (5,15)

We can find the slope

m = (y2-y1)/(x2-x1)

= (15-17)/(5-3)

= -2/2

= -1

We can use point slope form

y-y1 = m(x-x1)

Replace y with h and x with t

h-17 = -1 (t-3)

Distribute

h-17 = -t+3

Add 17 to each side

h-17+17 = -t+3+17

h = -t+20

After 8 hours

h = -t+20

h = -8+20

h= 12

4 0

3 years ago

The largest ball of yarn ever created has a radius of 6 feet. It took 30 years to create.

ch4aika [34]

Answer:

904.32 cubic ft

Step-by-step explanation:

To find the volume of a sphere, the formula is $4\pi\frac{r^3}{3}$

First, 3.14 * 4 for 12.56.

The radius is 6, and that cubed is 216.

After that, divide 216 by 3 for 72

Then, 12.56 times 72, which gets you the final answer of 904.32 cubic ft.

(10 * 72) + (2 * 72) + (0.5 * 72) + (0.06 * 72)

720 + 144 = 864

864 + 36 = 900

900 + 4.32 = 904.32

6 0

3 years ago

Read 2 more answers

You paint 13 of a wall in 14 hours. At that rate, how long will it take you to paint one wall?

iogann1982 [59]

Ou paint 1/3 of a wall in 1/4 hour. At that rate, how long will it take you to paint one wall? rate = (area/time)
------
rate = (1/3)/(1/4) = 4/3 job/hr
-----
time for job = 3/4 hr/job = 45 minutes to do the whole job.

8 0

3 years ago