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2 years ago

13

The number 475 is a three digit number that uses only the three digits 4,5,7. How many three-digit numbers can be formed using t

hese three digits of repeated digits are allowed?

1 answer:

erastovalidia [21]2 years ago

7 0

Answer:

I think 274

Step-by-step explanation:

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Four sevenths plus five sixths

aliya0001 [1]

Answer:

1.40476190476

Step-by-step explanation:

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A helicopter hovers 500 feet above a small island. The figure shows that the angle of

Tamiku [17]

Answer:

435 ft

Step-by-step explanation:

Reference angle = <P = 49° (angle of elevation)

Opposite side = 500 ft

Adjacent side = d = ?

Apply trigonometric function, TOA.

This:

Tan P = opp/adj

Tan 49 = 500/d

d × Tan 49 = 500

d = 500/Tan 49

d = 434.643369 ≈ 435 ft (to the nearest foot)

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3 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

How many solutions does the equation 3x + 6 equals -1 - 3 + 4x have?

wariber [46]

3x + 6 = -1 - 3 + 4x
Combine like terms on the right side.

3x + 6 = -4 + 4x
Add 4 to both sides.

3x + 10 = 4x
Subtract 3x from both sides.

10 = x

The equation has one solution (10).

3 0

3 years ago

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(9 • 27)^1/2<br> A.) 9<br> B.)3radical3<br> C.) 9radical3<br> D.)27

kobusy [5.1K]

$(9 \times 27)^ \frac{1}{2} = \sqrt{9 \times 27} = \sqrt{9 \times 3 \times 9} = 9 \sqrt{3}$

Answer: 9√3

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3 years ago