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Mazyrski [523]
3 years ago
5

Which expression means 63?

Mathematics
2 answers:
Temka [501]3 years ago
8 0
A) 6 x 3 = 18

B) 6 x 6 x 6 = 6^3 = 216

C) 3 x 3 x 3 x 3 x 3 x 3 = 3^6 = 729

D) (3 x 2) x (3 x 2) x (3 x 2) = 6 x 6 x 6 = 216

None of these equal to 63.
Naily [24]3 years ago
5 0
There are no correct answers because

A=18
B=216
C=729
D=216

So no answers are correct because none equal 63.
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3 0
3 years ago
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ELEN [110]
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8 0
3 years ago
If the scale factor is 5, how many times larger will the scaled copy's area be?
Lady bird [3.3K]

Answer:

25 times

Step-by-step explanation:

Scale factor is the ratio of dimensions of the image and the preimage.

Scale factor = \frac{\text{Side length of image}}{\text{Side length of preimage}}

Since area of a figure is the square of dimensions.

Area = Length × Width

Therefore, area scale factor will be the ratio of square of the dimensions of image and preimage.

Area scale factor = \frac{\text{Area of the image}}{\text{Area of the preimage}}

                             = (Scale factor)²

                             = 5²

                             = 25

Therefore, area of the image will be 25 times the area of the preimage.

4 0
3 years ago
Tell whether the equation has one, zero, or infinitely many solutions.<br> 5(x – 7) + 5 = 5x – 30
Bezzdna [24]

Answer:

infinite solutions

Step-by-step explanation:

3 0
3 years ago
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Margarita [4]

Answer:  a. reject the null hypothesis, church attendance and marital status are dependent

Step-by-step explanation:

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Here we can see that the obtained chi-square (23.45) value is greater than the critical chi square value (9.488) , then we have to reject the null hypothesis.

So the correct answer is reject the null hypothesis, church attendance and marital status are dependent.

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3 years ago
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