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2 years ago

4) In the accompanying diagram, WX || YN . If m

Mathematics

1 answer:

inysia [295]2 years ago

8 0

Need the diagram To be able to answer this question so I cannot help you

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Solve for x and y. 4x-3y=16 -2x+4y=-2 DUE 2/7/17!

Trava [24]

$\left \{ {{4x-3y=16\:(I)} \atop {-2x+4y=-2\:(II)}} \right.$

Multiply the 2nd equation by (-4). This will eliminate the x's when you add the two new equations together.
 $\left \{ {{4x-3y=16\:\:\:\:\:\:\:\:\:\:} \atop {-2x+4y=-2\:*(-4)}} \right.$
$\left \{ {{\diagup\!\!\!\!4x-3y=16} \atop {-\diagup\!\!\!\!4x+8y=-4}} \right.$
--------------------
$5y = 12$
$\boxed{\boxed{y = \frac{12}{5}}}\end{array}}\qquad\quad\checkmark$

Let's replace the value found in the first equation:
$4x-3y=16\:(I)$
$4x-3*( \frac{12}{5}) =16$
$4x - \frac{36}{5} = 16$
least common multiple (5)
$\frac{20x}{\diagup\!\!\!\!5} - \frac{36}{\diagup\!\!\!\!5} = \frac{80}{\diagup\!\!\!\!5}$
$20x - 36 = 80$
$20x = 80 + 36$
$20x = 116$
$x = \frac{116}{20} \frac{\div4}{\div4} \to\: \boxed{\boxed{x = \frac{29}{5} }}\end{array}}\qquad\quad\checkmark$

4 0

3 years ago

The price of a book is $17.50 after a 12% discount. What is the original price of the book?

LekaFEV [45]

Answer: 15.4

it "It's too short. Write at least 20 characters to explain it well." so here i am talking more!!!!

7 0

2 years ago

Tom has 50 coins consisting of quarters and dimes. The combined value of coins is $8.30. How many dimes and quarters does Tom ha

zheka24 [161]

Answer:

dimes-

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Brice has twice as many stamps in his collection as his friends Anthony and Paul

saveliy_v [14]

Answer:

Anthony has 16 stamps.

Step-by-step explanation:

First you need to start off using the Equation 2(x + 32) = 96

Using the distributive property, distribute the 2. 2x + 64 = 96.

Then you would subtract 64 on both sides t get rid of 64. 2x = 32

To get x by itself you would divide 2 on each side. x= 16

16 Is how many stamps Anthony has and you can check this my adding Paul's stamps and multiplying by two, because Brice has twice the amount of them both combined.

5 0

3 years ago

PLEASE HELPPPP

valkas [14]

Answer:

$y = -\frac{5}{2}x + 6$

Step-by-step explanation:

Using a point (4, -4) and the slope of the line that passes through it, m = -⁵/2, we can generate an equation by using the point-slope form equation of a line given as y - b = m(x - a).

Where,

(a, b) = (4, -4)

m = -⁵/2

Plug in the values

y - (-4) = -⁵/2(x - 4)

y + 4 = (-5x + 20)/2

Multiply both sides by 2

2y + 8 = -5x + 20

Subtract both sides by 8

2y = -5x + 20 - 8

2y = -5x + 12

Divide both sides by 2

y = -⁵/2x + 12/2

$y = -\frac{5}{2}x + 6$ (equation in slope-intercept form)

3 0

2 years ago