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Elan Coil [88]
3 years ago
14

The regular price of a DVD is $26 the week after the DVD is on sale for $19.50 how many times the regular price is the sale of t

he price of the DVD show your work explain how you know where to place the decimal point in your answer
Mathematics
1 answer:
scoray [572]3 years ago
4 0
Regular price= x times of sale price
26=x times 19.50
divide both sides by 19.50
1.33333333333333333=x

so it is 1.33333 times the sale price or 4/3
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Rational numbers to -17/10
enyata [817]

Answer:

-17/10 is 1.7 is a rational number

Step-by-step explanation:

In mathematics, a rational number is any number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number. ... Moreover, any repeating or terminating decimal represents a rational number.

6 0
3 years ago
Planes S and R both intersect plane T .
neonofarm [45]
<h2>[A] Plane S contains points B and E.</h2>

False

As indicated in Figure A below, Plane S contains only point B (remarked in red). Point E (remarked in blue) lies on plane R.

<h2>[B] The line containing points A and B lies entirely in plane T.</h2>

True

As indicated in Figure B below, the line containing points A and B lies entirely in plane T. That line has been remarked in red and it is obvious that lies on plane T.

<h2>[C] Line v intersects lines x and y at the same point.</h2>

False

As indicated in Figure C below, line v intersects lines x and y, but line x in intersected at point B while line y (remarked in red) is intersected at point A (remarked in blue), and they are two different points, not the same.

<h2>[D] Line z intersects plane S at point C.</h2>

True

As indicated in Figure D below, line z that has been remarked in yellow, intersects plane S at point C that has been remarked in blue.

<h2>[E]  Planes R and T intersect at line y.</h2>

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7 0
3 years ago
Read 2 more answers
Write an equation of the circle given its center and radius
BlackZzzverrR [31]

{(x + 4)}^{2}  +  {(y + 3)}^{2}  = 64

7 0
3 years ago
Find the substitution 2x+3y=-5 and y=-x+5
tatuchka [14]

Answer: x = 20, y = -15

Step-by-step explanation:

Since we already know that y=-x+5, we can just substitute in that value of y into the other equation:

2x+3y=-5\\2x+3(-x+5)=-5\\2x-3x+15=-5\\-x=-5-15\\-x=-20\\x=20

with the value of x, we can find the value of y:

y=-x+5=-20+5=-15

3 0
2 years ago
Omar makes 8 dollars for each hour of work. write an equation to represent his total pay p after working h hours.
Natalka [10]
(8 p / h) *  <u>"x"</u> h = p (in dollars).
_________________________________

in which:  "h" = hours ; 
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_________________________________
In the equation, on the left hand side, the unit symbol "h" would "cancel out" to "1" ; 
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8 p * x = _<u>[total "p"]</u>__
6 0
3 years ago
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