MATHEMATICS MIDDLE SCHOOL

Find the 15th term in the Arithmetic Sequence An = 3n-7 Question 1 options: a32 b 7 c 38 d -2 please help

Answers

Answer 1

Answer:

we have that

$An=3n-7$

to calculate the 15th term in the Arithmetic Sequence

substitute the value of n for n=15 in the formula above

$A(15)=3*15-7$

$A(15)=45-7$

$A(15)=38$

therefore

the answer is the option C

$38$

Answer 2

Answer:

A(15) = 3(15)-7 = 45-7 = 38.

SO, (C)38 IS THE ANSWER.

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What's the difference of 3/4 and 1/28

Answers

Find the LCD 4 and 28 :

Factor each denominator into its primes :

4 = 2²
28 = 2² * 7

Find the least common denominator 2² * 7 = 28

LCD = 28

$(3)/(4) - (1)/(28)$

Adjust fractions based on the LCD :

$(3*7)/(28) - (1)/(28)$

$(3*7-1)/(28)$

$= (20)/(28)$

Cancel common factor 4 :

$(20/4)/(28/4)$

$= (5)/(7)$

hope this helps!

A divers final score 77.7 what is the degree of difficulty of the dive

Answers

the answer is 3.5
I did this in class today! haha

Sales for a business were 3 million dollars more the second year than the first, and sales for the third year were double the sales for the second year. If sales for the third year were 38 million dollars, what were sales, in millions of dollars, for the first year?A. 16
B. 17.5
C. 20.5
D. 22
E. 35

Answers

The sales in million of dollar, for the first year is 16 million in dollars.

What are sales ?

"In general business operations, sales refer to any transactions where money or value is exchanged for the ownership of a good or entitlement to a service."

Given,

The sales for the third year is 38 million dollars.

Let the sales for the first year be x

and the sales for the second year be y

So, x+3 = y;

Sales for the third year = $\ 2(x+3)$

$\38 = 2(y)38 = 2(x+3)$

i.e. x = 16

Hence, option A is correct.

To know more about sales here

brainly.com/question/4302541

#SPJ2

a:16
38/2=19
Then minus 3

What is 0.001 as a percent

Answers

1 tenth(1/10) of a percent or .1%
I know this because you multiply the decimal*100 to get the percent.

The answer is .1% because when you change a decimal to a percentage you move the decimal point to the tight two time, and vise versa for a percentage to a decimal you move the decimal point two spaces to the left.

on Saturday a total of 1292 people went to the movies to see a new show there were four different showings for the new movie and the same number of people attended each showing how many people attended each showing

Answers

1292/4 = 323 people attended each showing

Explain how to use a pattern to find the product of a power of 10 and a decimal

Answers

Decimal numbers are numbers that have fractional parts.

Take for instance the following products.

$\mathbf{2.56 * 10^2 = 256}$

$\mathbf{2.56 * 10^3 = 2560}$

$\mathbf{2.56 * 10^(-3) = 0.00256}$

$\mathbf{2.56 * 10^(-2) = 0.0256}$

Assume the power of 10 is n.

Notice that, when the n is positive, the decimal place moves forward n times.
Similarly, when n is negative, the decimal place moves backward n times.

So, patterns can be used to calculate the product of a decimal and a power of 10 by moving the decimal place forward or backward

Read more about patterns and decimals at:

brainly.com/question/13094279

Answer:

When we multiply a decimal by a number with power of 10, the decimal point moves to the right by the same number of zeros in the power of ten multiplier.

For example:

Multiplying 7.362 by 100.

As there are 2 zeroes in 100, we will move the decimal to 2 places in the right.

Hence, $7.362*100=736.2$

Powers of 10 are like 10,100,1000 and so on.

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