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Diano4ka-milaya [45]
2 years ago
12

7 x 1/5 as a mixed number

Mathematics
2 answers:
iVinArrow [24]2 years ago
7 0

Answer:

It's 15/7

Step-by-step explanation:

ItsJulyCrazy15
2 years ago
Actually, it is 1 2/5.
ItsJulyCrazy152 years ago
0 0

7 x 1/5
= 7/5
= 1 2/5

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Archy [21]

Answer:

So, the probability is P=0.094.

Step-by-step explanation:

We know that in a recent survey, 73% of the community favored building a police substation in their neighborhood.

We get that p=0.73 and q=1-0.73=0.27.  

We calculate the probability that exactly 8 of them favor the building of the police substation, if 14 citizens are chosen.

We get that n=14 and k=8.

We calculate the probability:

P=C_k^n\cdot p^k\cdot q^{n-k}\\\\P=C_8^{14}\cdot 0.73^8\cdot 0.27^6\\\\P=3003\cdot 0.00003124\\\\P=0.094\\

So, the probability is P=0.094.

4 0
3 years ago
Can you factor 25m^2-10mn+n^2
Charra [1.4K]
You can factor it into (-5m+n)(-5m+n)
4 0
2 years ago
A student has a savings account earning 3% simple interest. She must pay $1900 for first-semester tuition by September 1 and $19
Anastaziya [24]

Answer:

$3781.19

Step-by-step explanation:

Let us assume that the student has to earn $(1900 + x) by September 1 so that he can pay the $1900 tuition fee by September 1 and the remaining $x will grow at 3% simple interest to make him able to pay another tuition fee of $1900 by January 1.

So, we can write x( 1 + \frac{4 \times 3}{12 \times 100}) = 1900

{Because September 1 to January 1 is 4 months and the monthly simple interest rate is \frac{3}{12}%}

⇒ 1.01x = 1900

⇒ x = $1881.19 (Rounded to the nearest cents)

Therefore, the student has to earn $(1900 + 1881.19) = $3781.19 (Answer)

8 0
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Answer:

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