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vivado [14]
3 years ago
15

The price of an item yesterday was $135 . Today, the price rose to $216 . Find the percentage increase.

Mathematics
2 answers:
saveliy_v [14]3 years ago
6 0

Answer:

Percentage Increase = 60%

Step-by-step explanation:

To find the percentage increase, we will use the formula below;

Percentage Increase = \frac{Increase}{Initial cost}  ×   100%

From the question given,  the initial cost = $ 135

Now, we need to find the increase;

Increase = $216 - $135 = $81

We can now proceed to insert the values and then simplify;

Percentage Increase = \frac{Increase}{Initial cost}  ×   100%

                                    =\frac{81}{135}  ×   100%

                                        =\frac{8100}{135} %

                                        =60%

Percentage Increase = 60%

                                     

Softa [21]3 years ago
5 0

Answer:

60% increase

Step-by-step explanation:

Work out the difference increase between the two numbers you are comparing.Then you increase the new number by the original number. Next you divide the increase by the original number and multiply the answer by 100. Finally divide the increase number and the original number then multiply by 100. That will give you your answer.

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Angle x and angle y are complementary. Angle x is supplementary to a 128 degree angle. What are the measures of angle x and angl
White raven [17]

The measurement of angle x is 52° and y is 38°

Step-by-step explanation:

Let us define supplementary and complementary angles first.

Supplementary angles is pair of angles whose sum is 180°

While complementary angles sum up to 90°

Given

That x and y are complementary and x is supplementary to 128.

This means that sum of x and 128 is 180°

So,

x+128 = 180\\x = 180 - 128\\x = 52

x = 52°

It is also given that x and y are complementary which means that

x+y=90\\52+y = 90\\y = 90-52\\y = 38

Hence,

The measurement of angle x is 52° and y is 38°

Keywords: Supplementary angles, complementary angles

Learn more about angles at:

  • brainly.com/question/3799248
  • brainly.com/question/3950386

#LearnwithBrainly

3 0
3 years ago
(2x times 2xy^4)^3<br> Plz help
inessss [21]

Answer:

2x*2xy^7

Step-by-step explanation:

(2x*2xy^4)^3

2x(1 * y^4) ^3

2x( 1*y^7)

2x*2xy^7

That is as far as it can be simplified to since the variables are no longer the same. x is not the same as xy.

Please let me know if this helped and let me know if you need anymore help. Please mark as brainliest! Good luck! :D

4 0
3 years ago
The ABC Toy Company is creating two similar pieces for a board game, as shown below. How could the toy maker confirm that the pi
kati45 [8]

Answer:

The company can confirm that the pieces are similar by verifying that the relationship between the sides of the parts in the drawing created with MS Visio, of the diagram in a similar question found online, are;

\dfrac{\overline {RS}}{\overline {XZ}} = \dfrac{\overline {RT}}{\overline {XY}} = \dfrac{\overline {ST}}{\overline {ZY}}

Step-by-step explanation:

The definition of similarity is the quality of two or more objects having a common definitive property

Two objects in Euclidean geometry are similar if they are similar in shape and parameters of one shape can be obtained from the other by the application of a uniform scale and/or translation, reflection and rotation

The ABC toy maker could confirm that the pieces are similar by verifying that the corresponding sides of the two shapes have a common ratio

4 0
3 years ago
Read 2 more answers
A length of a rope is is stretched between the top edge of a building and a stake in the ground. The head of the steak is at gro
Kay [80]

Answer:

Height of building is 76 feets

Step-by-step explanation:

The scenario is illustrated in the attached photo. The stretched rope is seen coming from the top of the building, passing through the top of the tree which is halfway the height of the building and touching the state which is on the ground.

The distance, x of the tree to the building on the ground is equal to the distance, x of the tree from the stake, hence,

Distance of the stake from the building is 2x

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The triangles formed are similar triangles. Therefore,

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Cross multiplying

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y = 76x/x = 76 feets

5 0
3 years ago
What is the mode of this data set?
zhenek [66]

Answer:

answer is 45

Step-by-step explanation:

we see 45 occurs twice in this set of number. (mode is most occuring number). 25 occurs once. 27.8 is not even in the set of number.

7 0
3 years ago
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