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Bingel [31]
2 years ago
11

An exercise machine with an original selling price of $1225 is marked down by 20%. What is the sale price of the exercise​ machi

ne?plz help i dont get thins at all and nothing is helping my parents dont know how to do thins eaither
Mathematics
2 answers:
Zielflug [23.3K]2 years ago
8 0

Answer: $980

Step-by-step explanation:

1225 decrease 20% =

1225 × (1 - 20%) = 1225 × (1 - 0.2) = 980

cricket20 [7]2 years ago
5 0
980 I think for 20% off of 1225
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Need understanding how to do this
kkurt [141]

Answer:

  • 102 + (3x +2) = 180 . . . . equation to solve
  • x = 25 1/3 . . . . . . . . . . . . value of x

Step-by-step explanation:

It can be helpful to draw a diagram of a parallelogram ABCD and identify the angles in the problem statement. You will find they are adjacent angles.

Adjacent angles in a parallelogram are supplementary, so the sum of the given angle measures will be 180°.

  102 + (3x +2) = 180 . . . equation used to solve for x

  3x = 76 . . . . . . . . . . . . . subtract 104

  x = 76/3 . . . . . . . . . . . . divide by 3

  x = 25 1/3 . . . the value of x

7 0
3 years ago
Two ships have a harbor entrance at the same time. The first ship is traveling at a constant 16 mph, while the second is traveli
stepan [7]
So hmm check the picture below

both ships leave at the same time, one is going 16mph, the other 20mph, 2hrs later on the road

at 16mph well, 2hrs is just 16+16, or 32 miles away
20mph for 2hrs, is 20+20, or 40 miles away

using the law of cosines  \bf x = \sqrt{{{ 32}}^2+{{ 40}}^2-2(32)(40)cos(169^o)}

again, recall, the angle is in degrees, so, when taking the cosine, make sure your calculator is in Degree mode

5 0
2 years ago
There are 36 graduated cylinders to put away on a shelf
Sergio039 [100]

Answer:

<u>There are three possible arrangements of the graduated  cylinders on the shelf. </u>

<u>1. 4 rows of 9 graduated cylinders </u>

<u>2. 3 rows of 12 graduated cylinders. </u>

<u>3. 2 rows of 18 graduated cylinders.</u>

Step-by-step explanation:

Number of graduated cylinders to put away on the shelf = 36

Maximum number of graduated cylinders that can fit across = 20

Maximum number of graduated cylinders that can fit deep = 4

<u>The teacher  wants each row to have the same number of cylinders.</u>

<u>First option of arrangement:</u>

4 rows of 9 graduated cylinders

It fits across (less or equal to 20) and deep (less or equal to 4)

Total of graduated cylinders used = 36 ( 4 x 9)

<u>Second option of arrangement:</u>

3 rows of 12 graduated cylinders

It fits across (less or equal to 20) and deep (less or equal to 4)

Total of graduated cylinders used = 36 ( 3 x 12)

<u>Third option of arrangement:</u>

2 rows of 18 graduated cylinders

It fits across (less or equal to 20) and deep (less or equal to 4)

Total of graduated cylinders used = 36 ( 2 x 18)

<u>No other arrangement is possible, because a only row of 36 graduated cylinders doesn't fit across or 6 rows of 6 don't fit deep.</u>

6 0
2 years ago
I need help I don't understand
8_murik_8 [283]
What grade are you in
4 0
3 years ago
3p+2 is greater than or equal to negative 10
Stells [14]

Answer:

-4

Step-by-step explanation:

subtract 2 from both sides to get 3p and -12

then divide both sides by 3 to get p and -4

6 0
3 years ago
Read 2 more answers
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