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Afina-wow [57]
3 years ago
5

candace tells you that she bought new boots using a 20% coupon and saved $28.What was the original price of the boots?use a tape

diagram.
Mathematics
1 answer:
kkurt [141]3 years ago
5 0

Answer:

78

Step-by-step explanation:

40 x 76 is the equation by 4x4 of 86 and the 36

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<span>Step–1:Find a perfect square root as close to your number.

</span><span>Step–2: Divide your number by the square root.

</span><span>Step–3: Calculate the average of the result given in step 2 and the root. 

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What's the divisor for <br> 4/12 =1/3
lozanna [386]
I'm gonna go with 1 (:
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Given the system of equations, what is the x-coordinate of the solution?
Nimfa-mama [501]
Answer: Choice C) -11

-----------------------------------

Explanation:

The first equation given is y = 3 - 1/2x
In other words, y is the same as 3 - 1/2x. 
We can replace y in the second equation with 3 - 1/2x
This is known as substitution (think of a substitute teacher who is a temporary replacement for your teacher)

Doing this leads to...
3x+4y = 1
3x+4*y = 1
3x+4*( y ) = 1
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3x+4*(3) +4*(-1/2x) = 1
3x+12-2x = 1
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x+12 = 1
x+12-12 = 1-12 <<-- subtracting 12 from both sides
x = -11
Which is why the answer is choice C) -11
6 0
3 years ago
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An electrician has 4.1 meters of wire how many strips 7/10 meter can he cut
spin [16.1K]
Turn 7/10 into decimal. (0.7)

Keep adding by 0.7 until you get the number closest to 4.1

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Which function in vertex form is equivalent to f(x) = x² + x +1?
mylen [45]

Answer:

\left( x+\frac{1}{2} \right)^{2}  + \frac{3}{4}

Step-by-step explanation:

NOTE :

x^2+ax=\left( x+\frac{a}{2} \right)^{2}  -\left( \frac{a}{2} \right)^{2}

………………………………………

f(x) = x² + x +1

     =x^{2}+2\times \frac{x}{2} +1

     =\left( x+\frac{1}{2} \right)^{2}  -\left( \frac{1}{2} \right)^{2}  +1

     =\left( x+\frac{1}{2} \right)^{2}  - \frac{1}{4}+1

     =\left( x+\frac{1}{2} \right)^{2}  + \frac{3}{4}

4 0
2 years ago
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