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3 years ago

A jacket that cost a store $120 was marked up to $168. What percent was the mark up?

Mathematics

2 answers:

german3 years ago

8 0

Answer:

48%

Step-by-step explanation:

you have to subtract 168 and 120

inna [77]3 years ago

8 0

Answer:

140%

Step-by-step explanation:

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Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total

Gelneren [198K]

Answer : Sarah bought 4 first class tickets and 3 coach tickets.

Explanation :

We will call F the number of first class tickets and C the number of coach tickets.

Sarah had to buy a total of 7 tickets for 7 people.

Then F + C = 7 (Equation 1)

She used her total budget = $5,620

Then F*$1,150 + C*$340 = $5,620 (Equation 2)

F + C = 7

F = 7 - C

Now we can replace the value F in the equation 2

(7 - C)*$1,150 + C*$340 = $5,620

7*$1,150 - C*$1,150 + C*$340 = $5,620

$8,050 - C*$810 = $5,620

$8,050 - $5,620 = C*$810

$2,430 = C*$810

C = $2,430/$810 = 3 => number of coach tickets

F = 7 - C = 7 - 3 = 4 => number of first class tickets

Answer : Sarah bought 4 first class tickets and 3 coach tickets.

Verification

Replacing these values in equation 2

4*$1,150 + 3*$340 = $4,600 + $1,020 = $5620 => total budget

$\textit{\textbf{Spymore}}$

5 0

3 years ago

Lily mixed a batch of punch for the class party. Her recipe called for 2 1/2 cups of orange juice, 1 1/2 cups lemonade, and 3 qu

scZoUnD [109]

Answer:

16 1-cups servings

Step-by-step explanation:

First, you'll need to convert the 3 quarts to cups. One quart is 4 US cups, so quarts is 12 US cups. Next, add the 2 1/2 cups of OJ and 1 1/2 cups of lemonade together, which gives you 4 US cups. Add your 12 cups and 4 cups together and you get 16. You'll get 16 1-cup servings.

6 0

3 years ago

Given below is the even-number function. Which of the following are equal to E(12)? Check all that apply. E(n) = 2n A. 24 B. E(6

Ray Of Light [21]

Ummmm i believe your answer is A. just divide next time :)

4 0

3 years ago

Urgent!! will mark brainliest!

Jlenok [28]

Answer:

1) secФ = √2 ⇒ 2nd answer

2) The best identity is 1 + cot²Ф = csc²Ф ⇒ 4th answer

3) The expression 1/(-3/8) is equivalent to cotФ ⇒ 1st answer

Step-by-step explanation:

* The angle Ф lies in the 4th quadrant because 2π/3 < Ф < 2π

∴ The values of cosФ and secФ only positive

* Use the identity sec²Ф = tan²Ф + 1

∵ tanФ = -1

∴ sec²Ф = (-1)² + 1 = 1 + 1 = 2 ⇒ take √ in both sides

∴ secФ = ± √2

∵ Ф lies in the 4th quadrant

∴ secФ = √2

* Remember if we have the value of cotФ, we can use the identity

cot²Ф + 1 = csc²Ф to find the value of cscФ

∵ cscФ = 1/sinФ

∴ sinФ = 1/cosФ

* In the problem Fatma know that cotФ = 4/7

∵ She wants to know the value of sinФ

∴ She can use the identity cot²Ф + 1 = csc²Ф

* The best identity is cot²Ф + 1 = csc²Ф

* We know that cotФ = 1/tanФ

∵ tanФ = -3/8

∴ cotФ = 1/(-3/8)

∴ The expression 1/(-3/8) is equivalent to cotФ

5 0

3 years ago

Solve the system:

Orlov [11]

Answer:

$y=2,\ z=\frac{3}{5}$

Step-by-step explanation:

Given the following system of equations:

$\left \{ {{22-4y= 14} \atop {3y + 5z =9}} \right.$

You can follow these steps to solve it using the Substitutiong method:

1. Solve for "y" from the first equation in order to finds its value:

$22-4y= 14\\\\-4y= 14-22\\\\y=\frac{-8}{-4}\\\\y=2$

2. Substitute the value for "y" into the second equation and solve for "z" in order to find its value. This is:

$3(2) + 5z =9\\\\5z=9-6\\\\z=\frac{3}{5}$

3 0

3 years ago