2 years ago

Could u help me with these questions on the back? I’m very confused please

Mathematics

1 answer:

Salsk061 [2.6K]2 years ago

6 0

Answer:

Step-by-step explanation:

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Show that x³ + y³ + z³ - 3xyz is a multiple of x+y+z

White raven [17]

x³ + y³ + z³ - 3xyz is a multiple of x+y+z.

<h3>What is a multiple?</h3>

It should be noted that a multiple simply means a number that van be divided by another a certain number if times without a remainder.

Put x + y + z = 0

= x³ + y³ + z³ - 3xyx

= 0(x² + y² + z² - xt - yz - zx)

= x³ + y³ + z³ - 3xyz = 0.

x³ + y³ + z³ = 3xyz

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2 years ago

Pls help i don’t understand

Free_Kalibri [48]

Answer: 495 is the answer

Step-by-step explanation:

11 for the table is 880

11 for the graph is 385

880-385

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2 years ago

Josh has a box of ballons.in that box he finds that 1/8 of the ballons are blue out of 120 ballons in the box the rest is red.ho

Stolb23 [73]

Answer:

Step-by-step explanation:

1/8 times 120= 15

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3 years ago

Solve the right triangle below. Round all your answers to the nearest tenth. Measure of angle Z = ______

valentina_108 [34]

Answer:

$Measure \: of \: angle \: z = \boxed{ \tt{ 19.5\degree}}$

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2 years ago

Use braces and digits to indicate the set of whole numbers

Sergeeva-Olga [200]

Whole numbers are numbers without decimal points greater than 0.

The set of whole numbers is:

$W =\{0,1,2,3,4.....\}$

In the introductory part of this solution, I stated that:

Whole numbers do not have decimal point
The smallest whole number is 0

This means that the following numbers are whole numbers:

1, 9, 10, 67

While the following numbers are not:

-1, 9.0, 1.0, -67

Let W be the set of whole numbers; the set is:

$W =\{0,1,2,3,4.....\}$

The dots after 4 means the set still continues