All categories

3 years ago

Pleaseeee help! Ill give brianliest!

Mathematics

1 answer:

Sholpan [36]3 years ago

4 0

Answer:

12x+2+13x-4+12x-3=180

37x. =185

X=5

RST=13X-4

=61

STR=12x-3

=57

TRS=12x+2

=62

You might be interested in

What is the unit rate for 6 pack soda for $7.96

Allisa [31]

7.96 / 6 = 1.33 <== unit rate

6 0

3 years ago

The numbers of regular season wins for 10 football teams in a given season are given below. Determine the range, mean, variance,

tensa zangetsu [6.8K]

We have the following data set:

2,7,15,3,12,9,15,8,3,10

The range is the difference between the highest and lowest values in the set, to find the range, order the data set from least to greatest.

2,3,3,7,8,9,10,12,15,15

Then,

$\begin{gathered} \text{Range}=15-2 \\ \text{Range}=13 \end{gathered}$

Mean is represented by the following expression:

$\text{Mean}=\frac{\text{Sum of all data points}}{Number\text{ of data po}ints}$ $\text{Mean}=\frac{84}{10}=8.4$

Population variance formula looks like this:

$\begin{gathered} \sigma^2=\frac{\sum^{}_{}(x-\mu)^2}{N} \\ \text{where,} \\ \sigma^2=\text{population variance} \\ \sum ^{}_{}=addition\text{ of} \\ x=\text{each value} \\ \mu=population\text{ mean} \\ N=\text{ number of values in the population} \end{gathered}$

Then, substituting:

$\begin{gathered} \sigma^2=\frac{(2-14)^2+(3-14)^2+\cdots+(15-14)^2}{10} \\ \sigma^2=20.44 \end{gathered}$

For the standard deviation:

$\begin{gathered} s=\sqrt[]{\frac{\sum ^{}_{}(x-\mu)^2}{N}} \\ s=4.521 \end{gathered}$

5 0

1 year ago

The monthly profit for a company that makes decorative picture frames depends on the price per frame. The company determines

Anvisha [2.4K]

the price is= £21.50

hope it helps

4 0

2 years ago

If sin=3/5 then what cos equal to

kap26 [50]

$\sin {}^{2} ( \alpha ) + \cos {}^{2} ( \alpha ) = 1$
$\frac{9}{25} + \cos {}^{2} ( \alpha ) = 1$
$\cos {}^{2} ( \alpha ) = \frac{16}{25}$
$\cos( \alpha ) = \frac{4}{5}$

8 0

2 years ago

Read 2 more answers

A pair of sneakers that originally costs $120 is on sale for 60% off. Which of the following is true?

Nina [5.8K]

Answer:

Sale price:$48.00

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers