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4 years ago

PLZ HELP I WILL MARK BRAINLIEST IF IT IS RIGHT!!!

Mathematics

2 answers:

adoni [48]4 years ago

7 0

Answer:

The greatest common factor of $x^{8}$ and $x^{5}$ is 3rd answer

Step-by-step explanation:

The greatest common factor of some numbers is the highest common factor of these numbers

Ex: The highest common factor of 8 and 12 is 4 because the factors of 8 are 1, 2, 4, 8 and the factors of 12 are 1, 2, 3, 4, 6, 12, so the common factors of them are 1, 2, 4 and the highest one is 4

The greatest common factor of some terms of the same variable is the smallest exponent

Ex: The greatest common factor of x² and x³ is x²

∵ The terms are $x^{8}$ and $x^{5}$

∵ The smallest exponent is 5

∴ The greatest common factor of $x^{8}$ and $x^{5}$ is $x^{5}$

Semmy [17]4 years ago

4 0

The terms are x^8 and x^5

The smallest exponent is 5

The greatest common factor of x^8 and x^5 is x^5

PLZ MARK ME AS BRAINLIEST :)

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A decorative window is made up of a rectangle with semicircles at either end. The ratio of AD to AB is 3:2 and AB is 30 inches.

scZoUnD [109]

Answer: The required ratio will be

$84:1034$

Step-by-step explanation:

Since we have given that

Ratio of AD to AB is 3:2

Length of AB = 30 inches

So, it becomes

$2x=30\\\\x=\frac{30}{2}=15\ inches$

So, Length of AD becomes

$3x=3\times 15=45\ inches$

Now, at either end , there is a semicircle.

Radius of semicircle along AB is given by

$\frac{30}{2}=15\ inches$

So, Area of semicircle along AB and CD is given by

$2\times \frac{\pi r^2}{2}\\\\=\frac{22}{7}\times 15\times 15\\\\=\frac{4950}{7}\ in^2$

Radius of semicircle along AD is given by

$\frac{45}{2}=22.5\ inches$

Area of semicircle along AD and BC is given by

$2\times \frac{1}{2}\pi r^2\\\\=\frac{22}{7}\times \frac{45}{2}\times \frac{45}{2}\\\\=\frac{445500}{28}\ in^2$

And the combined area of the semicircles is given by

$\frac{4950}{7}+\frac{445500}{28}\\\\=\frac{465300}{28}\ in^2$

Area of rectangle is given by

$Length\times width\\\\=AD\times AB\\\\=45\times 30\\\\=1350\ in^2$

Hence, Ratio of the area of the rectangle to the combined area of the semicircles is given by

$1350:\frac{465300}{28}\\\\=1350\times 28:465300\\\\=37800:465300\\\\=84:1034$

Hence, the required ratio will be

$84:1034$

8 0

3 years ago

How did you find this?

Rudik [331]

You order them least to greatest, then take out your mean, median, and mode. Then you've got your outliners left over.

6 0

3 years ago

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Find the equation of the linear function represented by the table below in slope-

Sladkaya [172]

Answer:

y = -4x - 1

Step-by-step explanation:

Do the slope formula first to find the slope. Next do point slope form to find the y intercept and write the equation in slope intercept form.

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2 years ago

In a freshman class of 80 students,22 students take Consumer Education,20 students take French,and 4 students take both.Which eq

MAXImum [283]

<h3>Answer: Choice C</h3>

P = 11/40 + 1/4 - 1/20

=========================================================

Explanation:

The formula we use is

P(A or B) = P(A) + P(B) - P(A and B)

In this case,

P(A) = 22/80 = 11/40 = probability of picking someone from consumer education
P(B) = 20/80 = 1/4 = probability of picking someone taking French
P(A and B) = 4/80 = 1/20 = probability of picking someone taking both classes

So,

P(A or B) = P(A) + P(B) - P(A and B)

P(A or B) = 11/40 + 1/4 - 1/20

which is why choice C is the answer

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Note: P(A and B) = 1/20 which is nonzero, so events A and B are not mutually exclusive.

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3 years ago

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Hatshy [7]

Answer:

Step-by-step explanation:

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