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olga_2 [115]
3 years ago
14

Ellie purchased 7 shirts that were originally priced at $15.50

Mathematics
2 answers:
notka56 [123]3 years ago
8 0

Answer:

10.85

Step-by-step explanation:

Cerrena [4.2K]3 years ago
4 0

Answer:

11.16

Step-by-step explanation:

20% of $15.50 is $3.10 and 15.50 - 3.10 is 12.40

10% of 12.40 is 1.24 12.40 - 1.24 = 11.16 meaning that the total cost was 11.16 at the end

<h2><u>MARK MY ANSWER BRAINLIEST PLEASE</u></h2>
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An Indian tepee is a conical tent. Find the number of cubic feet of air in a teepee 10 ft. in diameter and 12 ft. high.
vampirchik [111]
Surface Area of a cone is 

<span>pi * r * s + pi * r^2 </span>

<span>s is the side length, since you have 10 ft diameter, you know radius is 5. And since height is 12. With this, you have a 5-12-13 triangle, and s=13. </span>

<span>so </span>

<span>pi * 5 * 14 + pi * 5^2 = 95 pi or 298.3 </span>

<span>divide 298.3 by 15 and you get 19.88, you round up, so 20 is the answer </span>
5 0
3 years ago
Which of the sets of ordered pairs represents a function? A = {(1, -2), (3, -5), (5, 2), (7,5)} B = {(4, 2), (4, -2), (9,3), (9,
Rufina [12.5K]
Answer: only A

all of A’s inputs are different but B’s repeats 4 and 9 making it not a function, so its only A
6 0
3 years ago
Read 2 more answers
What<br> Are the answers please tell me
timofeeve [1]
1. 25
3. 29
5. 14
Hope this helps.
6 0
3 years ago
32. A data set is normally distributed
KiRa [710]

Answer:

93.1%

Step-by-step explanation:

7 0
3 years ago
Choose the domain for which each function is defined
klemol [59]

Answer:

Part 1) f(x)=\frac{x+4}{x} -----> x\neq 0

Part 2) f(x)=\frac{x}{x+4} ----> x\neq -4

Part 3)  f(x)=x(x+4) ----> All real numbers

Part 4) f(x)=\frac{4}{x^2+8x+16} ----> x\neq -4

Step-by-step explanation:

we know that

The domain of a function is the set of all possible values of x

Part 1) we have

f(x)=\frac{x+4}{x}

we know that

In a quotient the denominator cannot be equal to zero

so

For the value of x=0 the function is not defined

therefore

The domain is

x\neq 0

Part 2) we have

f(x)=\frac{x}{x+4}

we know that

In a quotient the denominator cannot be equal to zero

so

For the value of x=-4 the function is not defined

therefore

The domain is

x\neq -4

Part 3) we have

f(x)=x(x+4)

Applying the distributive property

f*(x)=x^2+4x

This is a vertical parabola open upward

The function is defined by all the values of x

therefore

The domain is all real numbers

Part 4) we have

f(x)=\frac{4}{x^2+8x+16}

we know that

In a quotient the denominator cannot be equal to zero

so

Equate the denominator to zero

x^2+8x+16=0

Remember that

x^2+8x+16=(x+4)^2

(x+4)^2=0

The solution is x=-4

so

For the value of x=-4 the function is not defined

therefore

The domain is

x\neq -4

6 0
3 years ago
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