Ask question

Ask question

All categories

4 years ago

15

a high school reports that it’s student sat scores were down by 9% in one year. The next year, however, the test scored rose by

20%. The high school principal announces, overall, test scores have improved by 11% over the past two years.

1 answer:

STALIN [3.7K]4 years ago

8 0

Hxhxhzuzdisusususususysysy 1st dyssuusd

You might be interested in

Jasmine can run 4 5/6 miles in 2/3 of an hour. how many miles can she run in one hour

Jlenok [28]

Jasmine can run in one hour is 7.25 miles.

<h3>What is the formula of unitary method?</h3>

The formula of the unitary method is to find the value of a single unit and then multiply the value of a single unit to the number of units to get the necessary value.

Given that,

Jasmine can run 4 $\frac{5}{6}$ miles in $\frac{2}{3}$ of an hour.

$\frac{2}{3}$ of an hour = 4 $\frac{5}{6}$ miles

= $\frac{29}{6}$ miles

By using unitary method we will find the value of an hour.

1 hour = $\frac{\frac{29}{6} }{\frac{2}{3} }$

= $\frac{29}{6}$ × $\frac{3}{2}$

= $\frac{29}{4}$

1 hour = 7.25 miles

Hence, Jasmine can run in one hour is 7.25 miles.

To learn more about unitary method from the given link:

brainly.com/question/10673687

#SPJ4

5 0

2 years ago

What is the measurement to the calculation to figure the numbers of pi

AlexFokin [52]

Answer:

There's a lot of them.

There are many different ways to calculate $\pi$ . The ones used by computers to generate tons of digits are usually infinite series.

The series that has been prominent in recent records for the most digits of pi is the Chudnovsky algorithm.

The algorithm is this:

$\frac{1}{\pi}=12\sum_{k=0}^{\infty}\frac{\left(6k\right)!\left(545140134k+13591409\right)}{\left(3k\right)!\left(k!\right)^3\left(640320\right)^{3k+\frac{3}{2}}}$

For faster performance, it can be simplified to this:

$\frac{426880\sqrt{10005}}{\pi}=12\sum_{k=0}^{\infty}\frac{\left(6k\right)!\left(545140134k+13591409\right)}{\left(3k\right)!\left(k!\right)^3\left(-262537412640768000\right)^k}$

Other algorithms have been used, but right now this is the one that is being used to set the recent records.

There are also some approximations that are used because they are very easy to calculate.

first, $\frac{22}{7}$ can be used to calculate a fairly accurate pi, but a better rational approximation is $\frac{355}{113}$ This fraction is actually accurate to 6 digits and it is the best approximation of $\pi$ in simplest form and with a denominator below 30,000.

There are several other approximations and if you want to learn more I would recommend looking at the Wikipedia page which has tons of algorithms for pi.

4 0

3 years ago

Can someone answer these 3 plz like I need these so bad rn. I would really appreciate it if someone who knows it can answer and

Basile [38]

Answer:

for the first photo the answer is 5x + 6(-x + 4) = 13

Step-by-step explanation:

if y equals to -x +4

then replace the y in this equation: 5x + 6y = 13 with this ( -x +4 ) its simple.

I cannot answer the other 2 photos at the moment but ill see if I can whenever else I have time.

3 0

3 years ago

Find the missing three terms and the 10th term of the sequence.<br> 4,__,__,__,32

kolbaska11 [484]

Answer: sorry just getting points

Step-by-step explanation:

4 0

3 years ago

Here are 36 points lovely person but first any advice for a student - kid

Brilliant_brown [7]

I don’t have much advice, but I would make yourself a schedule and a to-do list so you stay in track, and know what you’re doing each day so you can hold yourself accountable and can’t have any excuses about “not knowing about the work” because if you’re organized and get it done fast, you will be able to know about all of you work and have beTter grades since you have more time to learn the material and turn it in on time

Thanks for the points lol

5 0

3 years ago