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mojhsa [17]
3 years ago
12

Which equation describes the same line as y-4=-1(x+5)

Mathematics
1 answer:
Ksivusya [100]3 years ago
3 0

\bf y-3=-1(x+5)\implies y-3=-1x-5\implies \stackrel{\textit{adding 3 to both sides}}{y=-1x-2}

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The answer and how to do it.
Kruka [31]

let x = orginal price of the shorts

$21 = x(100%-20%) * 1.05

$21 = x(80%) * 1.05

$21 = 0.8x * 1.05

Subtract 1.05 from both sides

$19.95 = 0.8x

Divide 0.8 from both sides

$24.9375 = x

So the orginal price of the shorts are about $24.94

4 0
3 years ago
The variables y and x have a proportional relationship, and y = 5 when x = 4. What is the value of x when y = 8? Enter your answ
Charra [1.4K]

Answer

Find out the what is the value of x when y = 8 .

To prove

As given

The variables y and x have a proportional relationship.

y \propto x

y = kx

Where k is the constant of proportionality.

As y = 5 when x = 4

Put in the above

5 = 4k

k = \frac{5}{4}

Now find out the value of x , when y = 8

8 = \frac{5\times x}{4}

x = \frac{8\times 4}{5}

x= 6.5

Therefore when y = 8 than x = 6.4

7 0
3 years ago
Read 2 more answers
F(105)=105/7 use the following functions to find f(105)
sashaice [31]

Answer:

F(105)  = 15

Step-by-step explanation:

105 ÷ 7 = 15

Hope this helps!

4 0
2 years ago
What is the discriminant of the quadratic equation?
Kipish [7]

Answer:

The discriminant is the part under the square root in the quadratic formula, b²-4ac. If it is more than 0, the equation has two real solutions. If it's less than 0, there are no solutions. If it's equal to 0, there is one solution.

Step-by-step explanation:

4 0
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Which of the following is the converse of the statement "if it is summer, then it is warm outside"?
konstantin123 [22]
If it is winter then it is cold inside
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