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ad-work [718]
3 years ago
8

Johnny wanted to buy a new video game that costs 65 dollars. It is on sale for 35% off. He will also have to pay 7% sales tax. P

lease show all your work of finding the total cost of the video game
Mathematics
1 answer:
BaLLatris [955]3 years ago
6 0

Answer:

$46.8

Step-by-step explanation:

Discounted price:

65 - (35/100 x 65) = $42.25

Tax:

7/100 x 65 = $4.55

Therefore: 42.25 + 4.55 = $46.8

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Factor: k^2 + 7x + 10<br> A:(k+10)(k+4)<br> B:(k+2)(k+5)<br> C:(k+2)(k-5)<br> D:(k-2)(k-5)
Nata [24]

Answer:

the answer is B. (k+2)(k+5)

7 0
3 years ago
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PHYSICS As a ray of light meets a mirror, the light
Lady bird [3.3K]
<h3>Answer:  37 degrees</h3>

========================================================

Explanation:

The angle of incidence is equal to the angle of reflection. The angle of light coming in is the same as the angle of light bouncing out. Each angle is made with the dashed line as the diagram shows.

So angle RMI = 106 is bisected, i.e. divided in half, to get

  • Angle RMN = 53
  • Angle NMI = 53

since 106/2 = 53

Then notice that the horizontal dashed line is perpendicular to the vertical mirror. This means angle NMJ is a 90 degree angle and,

angle RMJ = (angle NMJ) - (angle RMN)

angle RMJ = 90 - 53

angle RMJ = 37 degrees

----------

In short: divide 106 in half to get 53, then subtract it from 90

5 0
1 year ago
Check all that apply please
love history [14]

As, synthetic division by -4 gives remainder 0. Hence, Option B is correct. -4 is a root of 3x^{2} +7x-20

As, x+4=0 gives x=-4.

So, option C is correct,

(x+4) is factor of 3x^{2} +7x-20

Option E is correct

\frac{3x^{2} +7x-20 }{x+4}=3x-5

3 0
2 years ago
What is parallel to y = -2x + 10
dem82 [27]

Answer:

Any line with the slope of -2 and a y intercept other than 10 will be parallel to this line.

Step-by-step explanation:

Parallel lines have the same slopes but different y y-intercepts

8 0
2 years ago
Three friends got the prize money worth ​$231,000
Degger [83]
There are three unknowns in this problem. First, let's assign variables for these unknowns.

Let
x be the amount received by the first friend
y be the amount received by the second friend
z be the amount received by the third friend

Next, we formulate equations for the relationships

x = 4z
z = 4y
x + y + z = <span>$231,000

Solving simultaneously,

4(4y) + y + 4y = </span><span>$231,000
21y = </span><span>$231,000
y = $11,000
z = 4($11,000) = $44,000
x = 4($44,000) = $176,000</span>
5 0
3 years ago
Read 2 more answers
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