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Darya [45]
3 years ago
8

3(4k+n) = 12k +n or 12k+3n?​

Mathematics
1 answer:
blagie [28]3 years ago
5 0

Answer:

12k+3n

Step-by-step explanation:

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Please help reeeeeeeee
sdas [7]

Explanation with Answer:

2 with exponent 3= 8

8+4=12

3 with exponent 2=9

12*9=108

the ________ is a symbol for division.

2 with exponent 2=4

Now we divide. 108 divided by 4=27

The answer is D AKA 27.

8 0
3 years ago
Read 2 more answers
T+b = 41<br> t = 2b+2<br> Solve for t and b
erastovalidia [21]

Answer: b=13, t=29

Step-by-step explanation:

Substituting the first equation into the second,

2b+2+b=41\\\\3b+2=41\\\\3b=39\\\\b=13\\\\\implies t=2(13)+2=29

3 0
1 year ago
A man is 32 years older than his daughter and the product of their ages is 320..
gogolik [260]
A) the man is 40 and the daughter is 8
b)in 8 years when the man is 48 and the daughter is 16
8 0
3 years ago
A pet supply store sells a 20-pound bag of dog food $23.44. find the unit price what is the error of 20 divided by 23.44=.85
dimulka [17.4K]
23.44 / 20 = 1.172 rounds to 1.17 per lb <== this is cost per lb...this is telling u how much each lb of dog food costs

20 / 23.44 = 0.85....this is lbs per dollar....this is telling u that u r getting 0.85 lbs for a dollar
4 0
3 years ago
Establish for which constants c the following function is a density.
Valentin [98]
By "density" I assume you mean "probability density function". For this to be the case for f(x), we require

\displaystyle\int_{-\infty}^\infty f(x)\,\mathrm dx=1

Since

f(x)=\begin{cases}cx^{1/2}&\text{for }0

you have

\displaystyle\int_{-\infty}^\infty f(x)\,\mathrm dx=\int_0^2cx^{1/2}\,\mathrm dx=\dfrac{2c}3x^{3/2}\bigg|_{x=0}^{x=2}=\dfrac{2^{5/2}c}3=1

which means

c=\dfrac3{2^{5/2}}=\dfrac3{4\sqrt2}
7 0
3 years ago
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