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nevsk [136]
3 years ago
13

WORTH 100 POINTS PLEASE HELP If you had a grade of 73.7% and scored a 54% on something that is worth 10% of your grade what is y

our grade now?
Mathematics
1 answer:
a_sh-v [17]3 years ago
6 0

Answer:

5.4

Step-by-step explanation:

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The original price of a shirt was $20. It was decreased to $15. What is the percent decrease of the price of this shirt?
KIM [24]

Answer:

25%

Step-by-step explanation:

Price reduction = 20 - 15 = $ 5

Percent decrease of price = (5/20)*100 = 5*5 = 25%

6 0
3 years ago
in this line of circles, the ratio of the red circles to blue circles is 1:3. how many more red circles would need to be added t
Tems11 [23]

Answer:

Step-by-step explanation:

If we assume that initially

Number of red counter is 1

Number of blue counter is 3

Now to make ratio reverse you need to add 8 more red counters so that ratio becomes

9:3=3:1

5 0
2 years ago
Lacey decides to take her five year old son to the history museum. The price for the child's ticket is 2.75 dollars less than th
Andrei [34K]
If the price for the adult ticket is $2.75 more than the child ticket, the adult ticket would be x + $2.75
3 0
3 years ago
A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the
defon

Answer:

Price of widget to break even= $37.9

Step-by-step explanation:

We are told that the equation representing the amount of profit, y, made by the company, in relation to the selling price of each widget, x is;

y = -8x² + 348x - 1705

Now, the company will break even when it has made no profit. That is when, y = 0

Thus;

0 = -8x² + 348x - 1705

Rearranging,

8x² - 348x + 1705 = 0

Using quadratic formula ;

x = [-b ± √(b² - 4ac)]/2a

x = [-8 ± √(-348² - 4•1•1705)]/(2 x 8)

x = $5.63 or $37.87

We'll use $37.87 because it is the highest price for which no profit is made, and higher price means that we could sell least number of products to earn a certain amount of money.

We are told to approximate to nearest cent. Thus,

Price of widget = $37.87 ≈ $37.9

7 0
3 years ago
This is one correct way to subtract 3.98 from 11.35. What is another correct way?
krok68 [10]
In decimal form=-7.37
In fraction form plzz refer to the attachment
8 0
3 years ago
Read 2 more answers
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