2 years ago

How many different four-digit numbers can be formed with the numbers 7; 4; 5; 1; 2; 9; and 8?

Mathematics

1 answer:

Masja [62]2 years ago

7 0

Answer:

If I'm correct, the answer is 1296.

Step-by-step explanation:

6 x 6 x 6 x 6 = 1296

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Write as a product: ax^2+ay^2–bx^2–by^2+b–a

Vesna [10]

Answer:

$\large\boxed{ax^2+ay^2-bx^2-by^2+b-a=(a-b)(x^2+y^2-1)}$

Step-by-step explanation:

$ax^2+ay^2-bx^2-by^2+b-a\\\\=(ax^2-bx^2)+(ay^2-by^2)+(b-a)\qquad\text{use the distributive property}\\\\=x^2(a-b)+y^2(a-b)-1(a-b)\\\\=(a-b)(x^2+y^2-1)$

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3 years ago

Solve: x ÷ 0.6 = 8.9 5.34 9.5 8.3 0.07

Basile [38]

Answer: x = 0.6 ÷ 8.9 = 5.34

Step-by-step explanation:

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2 years ago

What number is ten thousand less than 842,719

Arte-miy333 [17]

The answer is 832,719.

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2 years ago

The volume of a pyramid that fits exactly inside a cube is 10 cubic feet. What is the volume of the cube?

Tatiana [17]

Answer:

the cubic feet will be 1000

6 0

2 years ago

Please answer. Thank you.

Aloiza [94]

Answer:

Step-by-step explanation:

Graph shows constant change between the weight and the cost.

3/2.25 is 1.33333333

4/3 is 1.3333333

5/3.75 is 1.3333333 as well.

Others are not constant.

8 0

2 years ago