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lora16 [44]
2 years ago
12

20 points

Mathematics
1 answer:
Fantom [35]2 years ago
7 0

Answer:

The value 4.5 is rational and the value 15−−√ is irrational. The sum of 4.5 and 15−−√ has a non-repeating and non-terminating decimal expansion. Therefore, the sum of 4.5 and 15−−√ is irrational. I can't explan but that's the correct Answer

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A lake was closed because of an accidental pesticide spill. The concentration of the pesticide after the spill was 848 parts per
DochEvi [55]

Answer:

Step-by-step explanation:

a_{n}=a_{1}r^{n-1}\\0=848(0.75)^{n-1}\\or~(0.75)^{n-1}=0\\0.75

or~n \rightarrow 1+\infty\\or~n \rightarrow \infty

Hence lake will never be free of pesticide.

5 0
3 years ago
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What's the simplist way to simplify 13/78
Andrews [41]
13/78 simplified is 1/6
4 0
3 years ago
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Hello I need help on the 4 questions please help thank you:D​
boyakko [2]

Step-by-step explanation:

1. simple interest

I= p × r × t

I = 1050 × 4.5 × 2

I = $9450

2. principal

p = I/(rt)

p= 22.50/ (3× 3)

p = 22.50/9

p = $2.5

3. simple interest

I= p × r × t

I = 500 × 5 × 3

I = $7500

4. time

first convert r to decimal

r= r/100, r= 3.5 / 100

r= 0.035

t = i/(pr)

t = 43.75/ (2500× 0.035)

t = 43.75/ 87.5

t = 0.5 year or 6 months

3 0
3 years ago
What is three equivalent ratios for 10/12
goldfiish [28.3K]

Answer:

5:6

20:24

30:36

Step-by-step explanation:

In order to find an equivalent ratio, you have to multiply or divide your numerator and denominator by the same number.

For example:

10/12 x 3/3

30/36 = 30:36

10/12 is equivalent to 30:36


3 0
3 years ago
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I sent a photo of question pls help
statuscvo [17]
Answer should be 2, 7/2 hopefully this helped ^^
3 0
3 years ago
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