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ratelena [41]
2 years ago
13

I would really appreciate your help

Mathematics
2 answers:
Lena [83]2 years ago
5 0
The first one is 75.4
4vir4ik [10]2 years ago
4 0
First figure is 75.4
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Carolyn has $2.55 in her purse in nickels and dimes. The number of nickels is nine less than three times the number of dimes. Fi
Flauer [41]

Hi, the answer is ;

Answer:

12 dimes and 27 nickels

Step-by-step explanation:

.05N + .1d = 2.55

N= 3d - 9

0.05 (3d-9) + 0.1d = 2.55

0.15d - 0.45 + 0.1d = 2.55

0.25d = 2.55 + 0.45

0.25d = 3

D = 12

N = 3 (12) - 9

N = 36 - 9

N = 27

5 0
3 years ago
Below is a partially eaten pie. If 1/4 of the pie below is eaten, what fraction of the original whole pie remains?
riadik2000 [5.3K]

Answer:

3/4 of the pie remains

Step-by-step explanation:

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For what value of x is the rational expression below undefined?
Blizzard [7]

Answer: The expression is undefined for x=4 and x=5.

The expression is undefined for any x that makes the denominator 0. This leads to solving a quadratic equation:

\frac{x+3}{x^2-9x+20}\\x^2-9x+20\neq 0\\x_{1,2}\neq\frac{9\pm\sqrt{9^2-80}}{2}=\frac{9\pm1}{2}\\x_1\neq4\\x_2\neq5

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If a Touchdown is worth 7 points and a
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Answer:

43 points

Step-by-step explanation:

a football field is 12 feet, so 12x3=36 and 36+7=43. So if maybe it would be 43? Lemme know if it's right <3. Hope this helped.

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Great! You will purchase snacks for the painting class. You have a budget of $40. You want to buy fruit and granola bars.
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Forgot the question hahaha
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