MATHEMATICS MIDDLE SCHOOL

Anna can buy 3 sweatshirts for total of $45. How much would it cost if she were to buy five sweatshirts at the same price?

Answers

Answer 1
Answer: 75$
each t-shirt costs 15$
to get that do 45/3
Answer 2
Answer:

Answer:

$75

Step-by-step explanation:

(45 / 3) x 5 = 75

To find the amount of money for each t-shirt, divide 45 by 3.

45 / 3 = 15

To find out the price of 5 t-shirts, multiple 15 by 5.

15 x 5 = $75

$75 is your answer :)

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What is the value of f-1(6)?

Answers

Answer:

f-6

Step-by-step explanation:

f - 1(6)

1(6)= 1*6 =6

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Alyssa bought a soft drink of four dollars and seven candy bars. She spent a total of 39 dollars. How much did each candy bar cost?

Answers

answer is $5. if the drink was $4 and the total was $39 then subtract 39-4 u get 35. then do 35/7 because there are 7 bars, and we wanna figure out of much THOSE where, thus is why we subtracted 4.

What decimal is not equivalent 4.07 4.070 4.70 4.0700

Answers

4.70 is not equivalent.
4.07 4.070 and 4.0700 are equivalent. You can add thousand zeros to 4.07 and its value does not change

In two months, Mica spent a total of $305.43 on groceries. She spent $213.20 in the first month. How much did she spent in the second month?

Answers

Mica spent $92.23 in the second month

Which of the functions have a range of all real numbers? Check all that apply.A. y = sec x
B. y = tan x
C. y = cot x
D. y = csc x

Answers

Answer:

B. y = tan x  and  C. y = cot x

Step-by-step explanation:

Range:

range is defined as the set of values that any given function y=f(x), can take for which the x values are defined. It is the value that y can take for the values of x.

Given:

From the given options

the range of tanx and cotx are all real numbers

as the period of tanx and cotx are π

where as range of secx is all real numbers except π/2 + n*π i.e.

(-∞ , -1] U [1 , + ∞)

And range of cscx is all real numbers except n*π i.e.

(-∞ , -1] U [1 , + ∞)

So from the given option:

option B and C are correct while A and D are not !

Hello!

The answer is:  The correct options are B. Tan(x) and C. Cot(x)

Why?

The range is the output of a function when we evaluate the function with inputs (domain), not all functions have a range of all real numbers, however it's more common to find functions without range or domain restrictions.

Both options B. Tan(x) and C. Cot(x) have a range of all real numbers while the functions Sec(x) and Csc (x) have a restricted range.

Sec(x) and Csc(x):

Domain, all real numbers.

Range, from -1 to 1 or  [-1,1]

Tan(x) and Cot(x):

Domain, all real numbers except (\pi )/(2)+-n\pi

Range, all real numbers.

Hence, the correct options are B. Tan(x) and C. Cot(x)

Have a nice day!

Michael exchanged 1000 is dollars for the Croatian currency which is called the kuna. The exchange rate was 5.81 kuna to $1 how many Croatian kuna did he get

Answers

$1000 divided by 5.81 = 172.117, so about 172 kuna
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