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o-na [289]
3 years ago
13

The price of a calculator has decreased from $200 to $150. What is the percentage of decrease?

Mathematics
1 answer:
Natalka [10]3 years ago
5 0
To work out percentage change you use the following formula:
((original price - new price)/original price)x100. In this case:
((200-150)/200)x100
(50/200)x100
0.25x100
25
Therefore it is a 25% decrease.

Hope this helps :)
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The equation of a line in this form y - y1 = m ( x - x1) is called the _ _ _ _ _ _ _ _ _ _ _ _ _ _-_ _ _ _ _ _ _ _ _ _ _ _ _ _fo
nadezda [96]

Answer:

  "point-slope"

Step-by-step explanation:

In your template equation, m is the slope of the line, and (x1, y1) is a point on the line. This equation that makes use of a point and the slope is called the <u>point-slope</u> form.

4 0
3 years ago
1. Cylinder A, B, and C have the same radius but different heights. Put the cylinders in
natulia [17]

The order of volume from least to greatest is C, B and A.

Step-by-step explanation:

Given:

Three Cylinders namely A, B, and C with different heights have the same radius.

To Find:

Arrange the cylinders from least to greatest with respective to their volume.

Formula for volume of cylinder:

                                               V= \pi r^{2} h

                                           i.e V∝ h              (for constant radius)

where,

           r = radius of cylinder

           h = height of cylinder

we see that Volume is directly proportional to height.

Consider, h_{1}, h_{2},h_{3} are the heights of cylinder A,B,C respectively, such that;

                                    h_{1} > h_{2} > h_3}

And,  V_{1}, V_{2},V_{3}  are the volume of cylinder A,B,C respectively.

So the order of volume will also be,

                                     V_{1} > V_{2} > V_3}

8 0
3 years ago
Today lan wants to run less than 7/12 mile.Write a fraction with a denominator of 4 to represent a distance that is less than 7/
alina1380 [7]

Answer:

the answer is 1/4 because 7/12 is larger than 1/2 but 1/4 is 2x smaller  


Step-by-step explanation:


7 0
3 years ago
urgent!! - What is the perimeter of a parallelogram, if it's area is 36 cm2 and the distances between the point of intersection
Gennadij [26K]

Answer:

  30 cm

Step-by-step explanation:

The distance from the intersection of the diagonals (center of the parallelogram) to one side is half the height when that side is considered the base.

So, if the height is 2×(2 cm) = 4 cm, and the area is 36 cm², the base for that height must be ...

  (36 cm²)/(4 cm) = 9 cm.

Similarly, if the height is 2×(3 cm) = 6 cm, the base for that height is ...

  (36 cm²)/(6 cm) = 6 cm.

These "bases" are the side lengths of the parallelogram, so its perimeter is ...

  P = 2(s1 +s2) = 2(9 cm +6 cm) = 30 cm

The perimeter of the parallelogram is 30 cm.

6 0
3 years ago
Make x the subject of the formula y = m x − c
satela [25.4K]

Answer:

x= (y+c)/m

Step-by-step explanation:

  1. y=mx-c
  2. y+c=mx
  3. x=(y+c)/m

6 0
3 years ago
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