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3 years ago

What is the greatest common factor if 9 and 15

Mathematics

1 answer:

iVinArrow [24]3 years ago

3 0

Answer:

Step-by-step explanation:

It is three because 3×5 is 15 and 3×3 is 9 so the greast common factore is 3.

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Find the value of n for which the vectors a⃗ =(3,2)a→=(3,2) and b⃗ =(9,n)b→=(9,n) are collinear.

Makovka662 [10]

Answer:

For n=6, the given vectors will be collinear.

Step-by-step explanation:

Collinear vectors are the vectors which lie on the same line or parallel lines. In order to find if two vectors are collinear, their ratio is found. If the ratio is same for all unit vectors then the vectors are collinear.

Given

$a = (a_1, a_2) = (3,2)\\b = (b_1, b_2) = (9,n)$

The ratio of first unit vectors is:

$\frac{a_1}{b_1} = \frac{3}{9} = \frac{1}{3}$

In order for the vectors to be collinear the other ratio should also be 1/3

$\frac{a_2}{b_2} = \frac{1}{3}$

Writing it mathematically

$\frac{2}{n} = \frac{1}{3}\\2*3 = n\\n = 6$

Hence,

For n=6, the given vectors will be collinear.

8 0

3 years ago

Elisa withdrew $26 at a time from her bank account and withdrew a total of $208. Frances

SVETLANKA909090 [29]

Answer:Elisa made the greater number of withdrawals

Step-by-step explanation:

208 divided by 26 is 8

245 divided by 49 is 5

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3 years ago

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The radius of a circle is 8 miles. What is the diameter?

murzikaleks [220]

Answer:

16 miles

Step-by-step explanation:

8*2=16

Brainlest pls?

8 0

3 years ago

0.00592 to 4 decimal places

Leya [2.2K]

0.00592 ≈ 0.0059 to 4 decimal places.

The number after the fourth decimal place is 2, and this is not up to 5, so we round down.

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3 years ago

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The perimeter of a rectangle is 10x^2+4x+4 the width is 2x-1 what is the length

fiasKO [112]

Answer:

10/2x^2+2x+2=2x-1+y

y=5x^2+1

Step-by-step explanation:

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3 years ago

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