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3 years ago

Alejandro decided on purchasing a $160,000 home. At closing he brought a

Mathematics

1 answer:

Mariulka [41]3 years ago

8 0

Answer-

Explanation- uhhhhhh

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A train arrives at a station and waits 2 min before departing. Another train arrives at the station 18 minutes later, repeating

nadya68 [22]

$|\Omega|=20\\|A|=2\\\\P(A)=\dfrac{2}{20}=\dfrac{1}{10}=10\%$

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What is standard form of twenty-six and thirty four hundredths

rusak2 [61]

26.34 I believe is the correct answer

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Find the smallest positive integer k such that 3240/k is a square number

sashaice [31]

Answer:

Step-by-step explanation:

First, factorize the number 3,240:

$3,240=2\cdot 1,620=2\cdot 2\cdot 810=2\cdot 2\cdot 2\cdot 405=2\cdot 2\cdot 2\cdot 2\cdot 5\cdot 81=2^3\cdot 5\cdot 9^2$

So,

$3,240=2^2 \cdot 2\cdot 5\cdot 9^2=18^2\cdot 10$

Now consider the fraction

$\dfrac{3,240}{k}=\dfrac{18^2\cdot 10}{k}$

If k = 10, then

$\dfrac{3,240}{k}=\dfrac{18^2\cdot 10}{10}=18^2$

is a square number.

For all k < 10, the fraction tex]\dfrac{3,240}{k}[/tex] is not a square number (this follows from factorization).

Or you can simply check the values of the fraction for all k < 10:

k = 1, $\dfrac{3,240}{1}=3,240$ is not a square number;
k = 2, $\dfrac{3,240}{2}=1,620$ is not a square number;
k = 3, $\dfrac{3,240}{3}=1,080$ is not a square number;
k = 4, $\dfrac{3,240}{4}=810$ is not a square number;
k = 5, $\dfrac{3,240}{5}=648$ is not a square number;
k = 6, $\dfrac{3,240}{6}=540$ is not a square number;
k = 7, $\dfrac{3,240}{7}$ is not a square number;
k = 8, $\dfrac{3,240}{8}=405$ is not a square number;
k = 9, $\dfrac{3,240}{9}=360$ is not a square number.

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3 years ago

Billy ran 2/3 and 3/4 miles Heather ran 5/8 miles how much is it in total?

anygoal [31]

2/3 + 3/4 + 5/8......common denominator is 24

16/24 + 18/24 + 15/24 = 49/24 (or 2 1/24)

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3 years ago

Brittany bought 14 seeds she can plant 3 in a row. How many rows can she plant? Brittany can plant _____ rows. How many seeds ar

Phoenix [80]

Answer:

about 5 rows

Step-by-step explanation:

14 divided by 3= 4.7 but since you can’t have 4.7 rows I rounded it to 5 rows. You can’t have 4 rows because then there would be 2 seeds remainin.

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