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allochka39001 [22]
3 years ago
13

You will need 10 CAT6 cables for wiring computers in a new office. A local computer store sells them for $4.00 each plus 6% sale

s tax. You can order them from an Internet shopping site that offers them for $3.50 each plus $5.95 shipping and no sales tax. The Internet store offers free shipping when you order a box of 12 for $40.00. Which of the following is the best deal?
Mathematics
1 answer:
Blababa [14]3 years ago
5 0
Store=10*4*1.06=$42.40

Internet=10*3.5+5.95=$40.95

And if you order an extra two to cancel out shipping...

Internet=$40.00

So the box of twelve is the best deal as it costs less than the other two options and gives you two spare cables. :P
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Examine this right triangle,
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A^2 + 16^2 = 20^2
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Δ ABC is isosceles with m∠B ≅ m∠C. If m∠A = 100°, m∠B = (12x + 4)°, and m∠C = (14x - 2)°, find x.
natita [175]

Answer:

x = 3

Step-by-step explanation:

Since ΔABC is isosceles with ∠A = 100° then the base angles are equal, that is

∠C = ∠B , that is

14x - 2 = 12x + 4 ( subtract 12x from both sides )

2x - 2 = 4 ( add 2 to both sides )

2x = 6 ( divide both sides by 2 )

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6 0
3 years ago
-2x + 4 = -3x + 4<br> 3<br> One Solution<br> No Solution<br> Infinite Solutions
iogann1982 [59]

Answer:

X=0 or no solution

Step-by-step explanation:

-2x+4=-3x+4

cancel equal terms on both sides of the equation

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move the variable to the left-hand side and change its sign

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collect like terms

x=0

6 0
2 years ago
Help with my homework
irinina [24]
The answer is B, there’s no solution.
6 0
2 years ago
Pre image ABCD was dilated to be image A’B’C’D, where the center of dilation is the origin. What scale factor was used in the di
ArbitrLikvidat [17]

Answer:

The scale factor is 0.25

Step-by-step explanation:

we know that

The dilation is a non-rigid transformation that produce similar figures

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In this problem

ABCD and A'B'C'D' are similar

therefore

\frac{A'B'}{AB}=\frac{B'C'}{BC}=\frac{C'D'}{CD}=\frac{A'D'}{AD}

Find the scale factor

Looking at the graph

we have

A'B'=1\ unit\\AB=4\ units

Let

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z=\frac{A'B'}{AB}

substitute the values

z=\frac{1'}{4}=0.25

8 0
3 years ago
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