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Anuta_ua [19.1K]
2 years ago
8

A student received a coupon for 11% off the total purchase price at a clothing store. Let z be the

Mathematics
1 answer:
Gnom [1K]2 years ago
6 0

Answer:   0.89z

Think of it like 100% - 11% = 89%

You save 11%, so you need to pay the remaining 89%

Taking 89% of z then leads to 0.89z

So that's why z - 0.11z = 0.89z

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Write a linear equation based on given information. Through (5,-5) and (4,0)
Katena32 [7]

For this case we have that by definition, the equation of the line of the slope-intersection form is given by:

y = mx + b

Where:

m: It is the slope of the line

b: It is the cut point with the y axis

We have the following points:

(x_ {1}, y_ {1}) :( 5, -5)\\(x_ {2}, y_ {2}) :( 4,0)

We find the slope:

m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} = \frac {0 - (- 5)} {4-5} = \frac {5} {- 1} = - 5

Thus, the equation is of the form:

y = -5x + b

We substitute a point and find b:

0 = -5 (4) + b\\0 = -20 + b\\b = 20

Finally, the equation is:

y = -5x + 20

Answer:

y = -5x + 20

6 0
3 years ago
you have reading homework every 6 days and you have science homework every 15 days. If you have homework in both today when will
cluponka [151]
Do you remember when you were learning about the "Least Common
Multiple" of two numbers, and you were wondering why you had to learn
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Well, HERE's where you get to use it.  This question is just looking for
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8 0
3 years ago
3.7 as a mixed fraction<br>let x =<br>10x =<br>9x =<br>x =<br><br>So 3.7 repeating is equal to...​
NNADVOKAT [17]

Answer:

<h2>37/9</h2>

Step-by-step explanation:

<h3>we have</h3>

<h3>3.77777... :- is a repeating decimal</h3>

<h3>Let</h3>

<h3>x = 3.7...</h3>

<h3>so</h3>

<h3>10x =37.7...</h3>

<h3>10x - x = 37.7... -3.7...</h3>

<h3>9x=34</h3>

<h3>x= 34/9</h3>

<h3>convert to mixed number</h3>

<h3>34/9=(27/9)+(7/9)=3+(7/9) =37/9</h3>

<h3> I hope this may help you.</h3>
7 0
3 years ago
The output is one more than six times the input. Answer in this form y=mx+b
stepladder [879]
Y= 6x + 1.
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3 0
2 years ago
The mean (average) weight of three dogs is 38 pounds. One of the dogs, Shaggy, weighs
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I honestly do not know this seems to me to be a trick question
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