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babunello [35]
2 years ago
9

2x - y=4 y=4 - 2x Give your answer as an ordered pair.

Mathematics
1 answer:
algol132 years ago
7 0

Answer:

<h3>x=8</h3><h3>y=12</h3>

Step-by-step explanation:

<h3>for the first question:-2x-4-2x=4</h3><h3>2x-2x=4+4</h3><h3>x=8</h3><h3>y=4-2x</h3><h3>y=4-2×8</h3><h3>y=12 </h3>
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Gary had a 40% discount for car speakers. The sale price of the speakers was $96.25. What was the original price of the speakers
Ostrovityanka [42]

Answer:

Step-by-step explanation:

If the price after the discount is subtracted is $96.25 then this is what you do

u times 0.40 x 96.25 which is 38.5 so since you are wanting to know what the price was before the discount you would add 38.5 to 96.25 and when you do that your answer is 134.75

but if you are just trying to get the discount from 96.25 you subtract 38.5 from 96.25

5 0
2 years ago
What is the area of the trapezoid if a = 10 b= 18 and h = 6 inches?
yanalaym [24]

[ Answer ]

\boxed{\bold{84 \ In.^{2} }}

[ Explanation ]

  • Formula For Area Of Trapezoid: \boxed{\bold{\frac{a \ + \ b}{2}Height }}

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

A = 10

B = 18

H = 6

  • Plug Numbers Into Equation: \boxed{\bold{\frac{10 \ + \ 18}{2}Height }}

  • Solve

10 + 18 = 28

28 ÷ 2 = 14

14 · 6 = 84

  • Final Answer

84

\boxed{\bold{[] \ Eclipsed \ []}}

4 0
3 years ago
Vanna is saving for a trip. The hotel room will be $298.17 for 3 nights, and there will be additional fees. What is her daily co
docker41 [41]

Answer:

Step-by-step explanation:

Total cost for the three nights

Total_3 = $298.17 + 3*u

Where <em>u </em>represents the unknown fees for a single day

To find the daily cost, we divide the previous equation by three

Daily cost = ($298.17 + 3*u)/3

Daily cost = ($99.39 + u)

So, if we create an inequality for the daily cost

Let x = Daily cost

x > $99.39

She will pay more than $99.39 per night

7 0
3 years ago
Vocabulary Check<br> Write the definition of each.<br> 5. bar graph<br> 6. scale
ra1l [238]
Bar chart definition: a diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width.

4 0
2 years ago
A right triangle has an angle that measures 34 and the adjacent side measures 17. What is the length of the hypotenuse to the ne
Mashcka [7]

Answer:

20.5

Step-by-step explanation:

Let's label the vertices ABC as in the diagram below. Then

Data:

α = 34 °

β = 90 °

c = 17

Calculation:

cosα = AB/AC

Multiply each side by AC

ACcosα = AB

Divide each side by cosα

AC = AB/cosα = 17/cos34 ≈ 17/0.8290 ≈ 20.5

8 0
3 years ago
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