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Nitella [24]
3 years ago
9

Mav went shopping for a new video game because of a sale. The store was offering a 15% discount. What number should she multiply

the prices on the tags by to find the price she would have to pay, before tax, in one step?
Mathematics
1 answer:
REY [17]3 years ago
7 0

Answer:

.85

Step-by-step explanation:

Price she would have to pay =

(Price on Tag (Original Price)) - (Cost Discount) =

(Price on Tag) - (15%)(Price on Tag) =

(100%)(Price on Tag) - (15%)(Price on Tag) =

(100% - 15%)(Price on Tag) =

85% * (Price on Tag) =

.85 * (Price on Tag),

so .85 is the answer.

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Determine how many, what type, and find the roots for f(x) = x3 - 4x2 – 16x + 64. <br> SHOW WORK!
Mice21 [21]

Answer:

x=4

Step-by-step explanation:

x^3-4x^2-16x+64

(x^2-16)(x-4)

x-4=0

 +4  +4

x=4

x^2-16=0

    +16   +16

x^2=16

√ x^2=√ 16

x=4

7 0
3 years ago
Use the formula L= 10 log 10 R, where Is the loudness of a sound and R is the sound's relative intensity. to find out how much l
WINSTONCH [101]

Answer:

X=24.1decibels

Step-by-step explanation:

From the question we are told that:

Loudness function L= 10 log_{10} R

Sound of a person S_p=80\ decibels\ or 10^8

Number of persons talking n=20 people

 

Generally the Relative intensity for 20 people is mathematically given by

Relative intensity forR_{20}=20*10^8

Relative intensity forR_{20}=20^8

Generally the loudness for 20 people is mathematically given by

L_{20}= 10 log_{10} R

L_{20}= 10 log_{10} 20^8

L_{20}= 10 (8 log_{10} 20)

L_{20}= 104.1 decibels

Therefore increase in loudness X is given as

X=104.1-80=-52.90

X=24.1decibels

5 0
3 years ago
ANSWER ASAP GIVING BRAINLIEST AND STUFF!
AURORKA [14]

Answer:

You could make a proportion, and divide or subtract the colors you like the least. Then, take the ones that you like the least away and put them in a separate place away from the others. For example: You have five colors, right? Ok, lets say your colors are blue, charcoal gray, yellow, green, and lilac.

Lets say your favorites are charcoal gray, lilac, and blue. (3/5)

So you put yellow and green to the side (2/5)

For example: You have 6 wallpaper patterns, right? Lets say your patters are flowers, dots, lines, stars, circles, and zigzags.

Lets say your favorites are flowers and stars. (2/6 or 1/3)

So you put dots, lines, circles, and zigzags to the side. (4/6 or 2/3)

Now, I want you to narrow your favorites down to what you favor more out of them. Now you have 3 paint colors, right? Your colors are charcoal gray, blue, and lilac. You need to narrow it down to 1 favorite. Lets say you choose the the lilac best.

Now you have 2 patterns, right? Your patterns are flowers and stars. You need to narrow it down to your favorite pattern. Lets say you choose the stars.

So, you will paint your wall lilac with the pattern of stars.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Which sample has a greater variability, or spread?
avanturin [10]

Answer:

The orange sample

Step-by-step explanation:

The higher the interquartile range the bigger the variance as it the difference between the 0.25 and 0.75 quantiles which basically means if the difference between the 25 percent and 75 percent is higher then there is more variety as they are further away

Would be amazing if you marked brainliest and feel free to comment any follow up questions :)

8 0
3 years ago
Read 2 more answers
Identify the vertex of y = x2 + 4x + 5.
Xelga [282]
ANSWER

The vertex is (-2,1)

EXPLANATION

We want to find the vertex of

y = {x}^{2} + 4x + 5

We complete the square to obtain,

y = {x}^{2} + 4x + {(2})^{2} - {(2})^{2} + 5

The first three terms forms a perfect square trinomial.

y = {(x + 2})^{2} - 4 + 5

The vertex form is

y = {(x + 2})^{2} + 1


This equation is in the form;

y = a{(x -h})^{2} + k


where (h,k)=(-2,1) is the vertex.
4 0
3 years ago
Read 2 more answers
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