At a local event, the ratio of hamburgers to hot dogs sold is 5:3. The number of hamburgers sold is 275. How many more hamburgers then hot dogs are sold? Show you're work.

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Answer 1

Answer: *your
If the ratio is 5:3, then you divide 275 by 5, and then multiply it by 3. If you test the result, you'll find that the ratio fits.

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When evaluating algebraic expressions, the first thing is to

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Answer:

When evaluating an algebraic expression the first thing you do is that you observe what would be the first operation applied on the expression.

In order to determine that you need to know the basic concept of PEMDAS

Where as

P stands for Parentheses (brackets)

E stands for exponents

M stands for multiplication

D stands for division

A stands for addition

S stands for subtraction

This is the order that needs to be kept in mind while solving the expression

You have to use the order of operations when evaluating algebraic expressions. The mnemonic device is PEMDAS, which stands for Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. So the first thing is to solve what's in the parentheses.

Q:What is the indicated term of the arithmetic sequence? someone help!!!!
a14 for 200,196,192...
A:
a. 148
b. 252
c. 144
d. 239

Answers

$a_1=200;\ a_2=196;\ a_3=192\n\nr=a_2-a_1\to r=126-200=-4\n\na_n=a_1+(n-1)r\n\na_n=200+(n-1)\cdot(-4)=200-4n+4=204-4n\n\na_(14)=204-4\cdot14=204-56=148\n\nAnswer:A$

The perimeter of a rectangle of 150 feet. The length of the rectangle is twice the width. Find the length and width of the rectangle

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Length (L): 2w

width (w): w

Perimeter (P) = 2L + 2w

150 = 2(2w) + 2(w)

150 = 4w + 2w

150 = 6w

25 = w

Length (L): 2w = 2(25) = 50

Answer: width = 25 feet, length = 50 feet

Can someone help me with my geometry homework quick?

Answers

1=true
2=false
3=tue
4=true

Find the answer to (6!) in math

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$\boxed{n!=1\cdot2\cdot3\cdot4\cdot...\cdot n}\n\n6!=1\cdot2\cdot3\cdot4\cdot5\cdot6=\boxed{720}$

1*2*3*4*5*6=720.
Hope I helped

The expected number of heads in 500 tosses of an unbiased coin is:

Answers

Using the binomial distribution, it is found that the expected number of heads in 500 tosses of an unbiased coin is 250.

For each coin, there are two possible outcomes, either it is heads, or it is tails. The probability of a coin being head/tails is independent of any other coin, hence the binomial distribution is used.

Binomial distribution:

Probability of x successes on n trials, with p probability.

The expected number of successes is:

$E(X) = np$

In this problem:

500 tosses, hence $n = 500$ .
Unbiased, that is, equally as likely to be heads or tails, hence $p = 0.5$ .

The expected number of heads is:

$E(X) = np = 500(0.5) = 250$

A similar problem is given at brainly.com/question/24261244

There is a 50%, or 1/2, chance of getting heads on each flip. Each of the 500 trials is independent. Because there is a 1/2 chance of getting heads, you would expect half of them to land on heads. 500/2 = 250. You would theoretically expect 250 heads if you tossed an unbiased coin 500 times.

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