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satela [25.4K]
3 years ago
6

Stan’s Skate Shop is having a sale on skateboards. The original price for its Extreme Skateboard was $84.50. The sale price for

the skateboard is $50.70. What is the percent decrease in the price of the skate board?
Mathematics
1 answer:
Alex Ar [27]3 years ago
8 0
60% is the answer

I hope you have a good day :)
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Rectangle J'K'L'M' shown on the grid is the image of rectangle JKLM after transformation. The same transformation will be applie
adoni [48]

Answer:

Location of T' on the coordinate axis will be (16,7).

T (6,4) → T' (16,7).

Step-by-step explanation:

coordinate vertices of points in rectangle JKLM are:

J (-8,-8)

K (-4,-8)

L (-4,-5)

M (-8,-5)

and coordinate vertices of points in rectangle J'K'L'M' are:

J' (2,-5)

K' (6,-5)

L' (6,-2)

M' (2,-2)

coordinate vertices of points in Quadrilateral STUV are:

S (1,4)

T (6,4)

U (4,6)

V (2,6)


transformation in coordinate vertices from rectangle JKLM to rectangle J'K'L'M' is:

J (-8,-8) → J' (2,-5)

⇒ along x axis -8 → 2 which means that rectangle is shifting towards right by 10 units.

and along y axis -8 → -5 which means that the rectangle is shifting upwards by 3 units.

similarly for

K (-4,-8) → K' (6,-5)

⇒ along x axis -4 → 6 which means that rectangle is shifting towards right by 10 units.

and along y axis -8 → -5 which means that the rectangle is shifting upwards by 3 units.

L (-4,-5) → L' (6,-2)

⇒ along x axis -4 → 6 which means that rectangle is shifting towards right by 10 units.

and along y axis -5 → -2 which means that the rectangle is shifting upwards by 3 units.

M (-8,-5) → M' (2,-2)

⇒ along x axis -8 → 2 which means that rectangle is shifting towards right by 10 units.

and along y axis -5 → -2 which means that the rectangle is shifting upwards by 3 units.


So, the location of T' of the Quadrilateral S'T'U'V' on the coordinate plane will be:

along x axis the Quadrilateral will shift towards right by 10 units

So, 6 → 6+10=16

and along y axis the Quadrilateral will shift upwards by 3 units

So, 4 → 4+3=7

⇒ T (6,4) → T' (16,7).

7 0
3 years ago
Read 2 more answers
What is the difference between 20c + 15r + 75p + 50e) - (12c + 22r + 65p + 70e)
Olenka [21]

Answer:

8c - 7r + 10p - 20e

Step-by-step explanation:

(20c + 15r + 75p + 50e) - (12c + 22r + 65p + 70e)

(subtract like terms) (aka. 20c - 12c, 15r - 22r, 75p - 65p, 50e - 70e)

8c - 7r + 10p - 20e

4 0
3 years ago
Researchers randomly choose two groups from 15 volunteers. Over a period of 9 weeks, one group watches television before going t
inessss [21]

Answer: B. Controlled experiment

Step-by-step explanation:

This is a controlled experiment because the variables in the question are manipulated by the researcher. We are told that while one group watches television before going to sleep, the other group does not.

The controllers won't have control over the variables that were used if it was an observational study while for a survey, it has to do with collection of information regarding certain topics or happenings in order to have people's perception on the topic or area of interest.

3 0
3 years ago
Estimate the quotient 172.6 divided by 39
zvonat [6]
172.6 rounded to the nearest hundred place = 200

39 rounded to the nearest ten place= 40

200/40= 5


The answer is 5. Hope this helps!
7 0
3 years ago
82
Leno4ka [110]

Answer: OPTION C.

Step-by-step explanation:

The formula of Exponential Growth has the following form:

y=C(1+r)^t

Where "C" is the initial value, "r" is the growth rate and "t" is the time in years.

In this case we have the following expression:

1,500(1.02)^t

We can identify that:

C=1,500\\\\r=0.02=2\%\\

Therefore, the meaning of the expression is: The initial number of trees planted by the agency is 1,500, and the growth rate is 2% per year.

3 0
3 years ago
Read 2 more answers
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