3 years ago

The price of a share of one stock rose from $89 to $134. Find percent increase

Mathematics

1 answer:

mezya [45]3 years ago

7 0

It increased by 45%

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True or False

fgiga [73]

Answer:

false bc the y intercept is in a different place which in return would alter the entire equation

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2 years ago

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Lucrecia is saving up money to buy a birthday present for her best friend. She has saved up 16% of the $40 she needs. How much m

choli [55]

Answer:

6.40 saved 33.60 needed

Step-by-step explanation:

She needs $40 *16% = $6.40

$6.40 saved - $40 = $33.60 needed

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3 years ago

Tell whether x and y show direct variation. Explain your reasoning. y−x=0

Jlenok [28]

Answer:

yes

Step-by-step explanation:

Direct variation is represented as

y = kx, where k is a constant.

We can rewrite y - x = 0 as

y = x (add x to both sides)

This can be looked at as

y = (1)x , so this is a direct variation relationship where k = 1

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3 years ago

A square sticky note has sides that are 7 centimeters long. What is the sticky note's area?

Minchanka [31]

Answer:

side- 7

area of square - side x side

7 x 7 - 49² cm

8 0

3 years ago

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Surface roughness can be measured as either an arithmetic average (AA) or a root-mean-square (RMS) average. Which value is almos

Nat2105 [25]

Answer:

Root-mean-square (RMS)

Step-by-step explanation:

Arithmetic average is the average of all the values of the surface peaks and valleys.

$AA=\frac{\sum^n_{i=1}|y_i|}{n}$

Root mean square is the root of the sum of the squares of each of the values of the surface peaks and valleys divided by the number of values

$RMS=\sqrt{\frac{\sum^n_{i=1}{y_i}^2}{n}}$

where n = the number of values

So, the root-mean-square RMS is always greater than the arithmetic average (AA).

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3 years ago