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aleksandr82 [10.1K]
3 years ago
14

Jennifer sells cosmetics. Her commission is 30 percent of the selling price of every item she

Mathematics
1 answer:
dimulka [17.4K]3 years ago
5 0

Answer:

$215.26

Step-by-step explanation:

717.53*30%= $215.26

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Question 72 true or false
nalin [4]

Answer:

True

m∠T = 40.4°

Step-by-step explanation:

We know all the sides of the triangle but we do not know any of its angles.

To find out if the angle T = 40.4 ° we use the cosine theorem.

According to the cosine theorem:

c^2=a^2 +b^2-2abcos(\alpha)

Where \alpha is the angle between a and b.

In this case:

\alpha = T\\\\a= 11\\\\b=13\\\\c= 8.5

Then we clear α from the formula and verify that it is equal to 40.4 °

8.5^2 =11^2 + 13^2 -2(11)(13)cos(\alpha)\\\\8.5^2 -11^2 - 13^2= -2(11)(13)cos(\alpha)\\\\-8.5^2 +11^2 + 13^2= 2(11)(13)cos(\alpha)\\\\\frac{-8.5^2 +11^2 + 13^2}{2(11)(13)}=cos(\alpha)\\\\\alpha=arcos(\frac{-8.5^2 +11^2 + 13^2}{2(11)(13)})\\\\\alpha = 40.4\° =T

6 0
3 years ago
a customer is owed $30.00. how many different combinations of bills,using only five, ten, and twenty dollars bills are possible
Burka [1]

Answer:    

1.  6 fives.

2.  1 ten and 4 fives.

3.  2 tens and 2 fives.

4.  3 tens.

5.  1 twenty and 2 fives.

6.  1 twenty and 1 ten.

Step-by-step explanation:

Given : A customer is owed $30.00.

To find : How many different combinations of bills,using only five, ten, and twenty dollars bills are possible to give his or her change?

Solution :

We have to split $30 in terms of only five, ten, and twenty dollars.

1) In terms of only five we required 6 fives as

6\times 5=30

So, 6 fives.

2) In terms of only ten and five,

a) We required 1 ten and 4 fives as

1\times 10+4\times 5=10+20=30

So, 1 ten and 4 fives.

b) We required 2 tens and 2 fives as

2\times 10+2\times 5=20+10=30

So, 2 tens and 2 fives

3) In terms of only tens we require 3 tens as

3\times 10=30

So, 3 tens.

4)  In terms of only twenty and five, we required 1 twenty and 2 fives as

1\times 20+2\times 5=20+10=30

So, 1 twenty and 2 fives.

5)  In terms of only twenty and ten, we required 1 twenty and 1 ten as

1\times 20+1\times 10=20+10=30

So, 1 twenty and 1 ten.

Therefore, There are 6 different combinations.

7 0
3 years ago
What is an equation of the line that passes through the point (-1,-3)(−1,−3) and is perpendicular to the line x-2y=14x−2y=14?
Ronch [10]

Answer:

No Solution

Step-by-step explanation:

The equations given are:

x-2y=14

14x-2y=14

The only solution to this system is (0, -7) and therefore there is No Solution.

6 0
3 years ago
Find points and graph the following equation. Is this a linear graph? -5x + 6y = 2
anastassius [24]

Answer:

Yes

Step-by-step explanation:

It is a linear graph.

4 0
3 years ago
X/-4 =30 what is X?????
Burka [1]

-120

x/-4=30

x=30×-4

x=-120

6 0
3 years ago
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