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jenyasd209 [6]
3 years ago
6

Isabella purchased a TV for $200. Eight months later, the same TV was selling for $160. What was the percent of DECREASE in the

price of the TV?
Mathematics
1 answer:
denis23 [38]3 years ago
3 0

Answer:

,k

Step-by-step explanation:

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you are renting a moving truck for a day. There is a dailyfee of $20 and a charge of $0.75 per mile. Your budget allows a maximu
11Alexandr11 [23.1K]

Answer:

its 6900000

Step-by-step explanation:

6hue and 388

8 0
3 years ago
Find the number to add to x^2-18x
pentagon [3]

Answer:

A. add 81; (x-9)^2

Step-by-step explanation:

The perfect square formula

(a-b)^2=a^2-2ab+b^2

Rewrite expression x^2-18x as follows:

x^2-2\cdot 9\cdot x

So, to form a perfect square, +9^2 is missed.

When we add 9^2=81, we will get

x^2-2\cdot 9\cdot x+9^2=(x-9)^2

4 0
3 years ago
Find the slope of a line perpendicular to 3x + 5y = 15.
Zielflug [23.3K]

Answer:

B)5/3

Step-by-step explanation:

"3x + 5y = 15."

Rewrite in slope-intercept form.

The slope-intercept form is  

y=mx+b

where  m is the slope and  b  is the y-intercept.

y=mx+b

Subtract  3x  from both sides of the equation.

5y=15−3x

Divide each term by  "5"  and simplify.

5y/5=15/5−3x/5

"5" and "5" cancel each other out

Divide  15  by  5

y=3-3x/5

Reorder  3  and  −3x/5

y=-3x/5+3

Rewrite in slope-intercept form.

y=−3/5x+3

Slope:-3/5

The equation of a perpendicular line to  y=−3x/5+3  must have a slope that is the negative reciprocal of the original slope.

<em>m</em>perpendicular=−1/(−3/5)

Simplify the result.

mperpendicular=5/3

hope this helps!

8 0
3 years ago
What is the Inequality and Solution of: The sum of a number and 19 is at least 8.2 ?
Misha Larkins [42]
X + 19 >= 8.2

x >= 8.2 -19 >= -10.8
3 0
3 years ago
On his trip,Buddy drove 60 mph for 1 hour, 55 mph for 3 hours and 40 mph for 2 hours. What was the distance of Buddy trip?
sveticcg [70]

Answer:

Step-by-step explanation:

3 0
3 years ago
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