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3 years ago

15

45 basketball players participate in a tournament. Write and solve a multiplication equation to find the number of 3-person team

s that they can form

1 answer:

madam [21]3 years ago

8 0

Permutation

45 choices for first slot
44 for 2nd
43 for 3rd

answer is 45*44*43=85140 number of 3 person teams

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Loris dog eats 3.82 pounds of food in one week. how much food will the dog eat in 18 weeks?

shtirl [24]

Answer: the dog eats 68.76 lbs of food in 18 weeks

Step-by-step explanation: 3.82x 18=68.76

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3 years ago

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A bracelet is now reduced to £600. This is 80% of the original price.

Tems11 [23]

Answer:

the original is 1080.

Step-by-step explanation:

80%×600=480

480+600=1080

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What is the slope of the line through(-5,-10) and (-1,5)

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4 years ago

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Write the monomial in standard form. name it's coefficient and identify its degree.

Hunter-Best [27]

Answer:

$Standard\ Form = {3n^2} m^{-2}$

Step-by-step explanation:

Given

$\frac{2}{3m^2n} * 4.5n^3$

Required

Write in Standard Form

To start with; the two monomials have to be multiplied together;

$\frac{2}{3m^2n} * 4.5n^3$

$Standard\ Form = \frac{2 * 4.5n^3}{3m^2n}$

Split the numerator and the denominator

$Standard\ Form = \frac{2 * 4.5 * n^3}{3 * m^2 * n}$

Multiply Like terms

$Standard\ Form = \frac{9 * n^3}{3 * m^2 * n}$

Divide 9 by 3 to give 3

$Standard\ Form = \frac{3 * n^3}{m^2 * n}$

Divide n³ by n to n²

$Standard\ Form = \frac{3 * n^2}{m^2 }$

Split fraction

$Standard\ Form = {3 * n^2} * \frac{1}{m^2 }$

From laws of indices;

$\frac{1}{a^n} = a^{-n}$

$Standard\ Form = {3 * n^2} * \frac{1}{m^2 }$ becomes

$Standard\ Form = {3 * n^2} * m^{-2}$

Multiply all together

$Standard\ Form = {3n^2} m^{-2}$

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3 years ago

if 5.25 MB have been downloaded and 2.25 MB are left. what percent of the application has already been downloaded?

ollegr [7]

5.25 + 2.25 = 7.50 MB

x/100 x (7.50) = 5.25
7.50x/100 = 5.25
7.50x = 5.25(100)
7.50x = 525
x = 525/7.50
x = 70
Hence, 70% of the application has already been downloaded.

6 0

4 years ago