Help it’s due today !!!

Answers

Answer 1

Answer: I believe it’s (A)
Because when u square root -3 it equals 9 when added to 5 gives u 14 and the rest don’t

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A fair was attended by 834,009 people. Round the number to the nearest ten thousand.
There are multiple chickens and rabbits in a cage. There are 72 heads and 200 feet inside of the cage. How many chickens and how many rabbits
What is the domain and range of f(x)=35x
You are considering 2 jobs. One job pays $250 per week plus 4.5% commission on all sales. The second job pays $1,800 per month and 3% commission on all sales. Assuming sales of $1,000,000 during the year, which job pays the best?Which job pays the best? A .Job that pays weekly B. Job that pays monthly C, They pay the same D . There is not enough informatio

A polygon has 35 diagonals. How many sides does it have?

Answers

$d=35\n d=(n(n-3))/(2)\n d=(n(n-3))/(2)\n35=(n(n-3))/(2)\n 70=n^2-3n\n n^2-3n-70=0\n n^2-10n+7n-70=0\n n(n-10)+7(n-10)=0\n (n+7)(n-10)=0\n n=-7 \vee n=10\n\n n=10$

Paulo has 39 patches from states he and his relatives have visited he wants to pin the onto a board and arrange them equally in 3 rows how many patches will be in each row

Answers

Given:

Total number of patches = 39

Total number of rows = 3

To find:

The number of patches in each row.

Solution:

We have,

Total number of patches = 39

Total number of rows = 3

We need to divide the total number of patches by total number of rows to find the number of patches in each row.

$\text{Number of patches in each row}=(39)/(3)$

$\text{Number of patches in each row}=13$

Therefore, the number of patches in each row is 13.

What is the study of mathematical probabilities, distributions and deviations?

Answers

Statistics. Statistics is a branch of mathematics which is the scientific study of mathematical values pertaining to qualitative descriptions and transcribe them into quantifying values such as the descriptive statistics and infuses these quantities in the field of inferential statistics. In these two categories involve probabilities, distribution and deviations which are mainly compositions of the descriptive statistics. Inferential statistics will involve comparison and variation of the given values. Methods are t-test, analysis of variance, and two-way analysis of variance and other methods.

A farm yard contains some pigs and some chickens. Altogether there are 60 heads and 200 legs. How many pigs are there in the yard?

Answers

Answer:

40 pigs.

Step-by-step explanation:

p=pigs c=chickens.

4p=pigs have 4 legs.

2c=chickens have 2 legs.

4p+2c=200

p+c=60

Do the elimination method:

4p+2c=200

(-4)p+c=60

4p+2c=200

-4p-4c=-240

-2c=-40

c=20

p+20=60

p=60-20

p=40

Hope this helps!

BRAINLIEST would help me a lot:)

Write the expression as either the sine, cosine, or tangent of a single angle. sin(pi/2)cos(pi/7)+cos(pi/2)sin(pi/7)

Answers

I will use the sin (a + b) identity:
sin (a + b) = sina cosb + cosa sinb and
here a = π/2 and b = π/7

so sin (π/2 + π/7)
= sin (9π / 14)

Answer:

$\text{sin}((9\pi)/(14))$ .

Step-by-step explanation:

We have been given a trigonometric expression $\text{sin}((\pi)/(2))\text{cos}((\pi)/(7))+\text{cos}((\pi)/(2))\text{sin}((\pi)/(7))$ . We are asked to write our given expression as either the sine, cosine, or tangent of a single angle.

Using identity $\text{sin}(a)\text{cos}(b)+\text{cos}(a)\text{sin}(b)=\text{sin}(a+b)$ , we can rewrite our given expression.

Let $a=(\pi)/(2)$ and $b=(\pi)/(7)$ .

Upon substituting these values in above identity, we will get:

$\text{sin}((\pi)/(2))\text{cos}((\pi)/(7))+\text{cos}((\pi)/(2))\text{sin}((\pi)/(7))=\text{sin}((\pi)/(2)+(\pi)/(7))$

Upon simplifying right side of our equation, we will get:

$\text{sin}((\pi)/(2)+(\pi)/(7))=\text{sin}((\pi*7)/(2*7)+(\pi*2)/(7*2))$

$\text{sin}((\pi)/(2)+(\pi)/(7))=\text{sin}((7\pi)/(14)+(2\pi)/(14))$

$\text{sin}((\pi)/(2)+(\pi)/(7))=\text{sin}((7\pi+2\pi)/(14))$

$\text{sin}((\pi)/(2)+(\pi)/(7))=\text{sin}((9\pi)/(14))$

Therefore, our required expression would be $\text{sin}((9\pi)/(14))$ .

a utility worker is 5.5 feet tall and is casting a shadow 4 feet long . at the same time a nearby utility pole casts a shadow 20 feet long. write and solve a proportion. to find the height of the utility pole

Answers

$x-height\ o\ the\ utility\ pole\n\n5.5\ \ \ -\ \ \ 4\nx\ \ \ \ \ \ -\ \ 20\n\n4x=110\ \ \ \ \ |:4\nx=27.5\n\nUtility\ pole\ is\ 27.5\ feet\ tall.$

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