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earnstyle [38]
4 years ago
5

Which expression is equivalent to 7^3x7^-5A. 7^2B. 7^7C. 1/7^2D. 1/7^7

Mathematics
1 answer:
Katyanochek1 [597]4 years ago
5 0

Answer:

C:  1 / 7^2

Step-by-step explanation:

Here there are two exponentials with the same base (7).

To find the product, write the base (7) again, and form the exponent by combining the two exponents:

7^(3 - 5) = 7^(-2), or 1/49.  None of the given possible answers match this.  Answer C is closest:  1 / 7^2.

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Parallel to y=2/3x+6 through (-3, 6)
Lana71 [14]

Answer:

y = (2/3)x + 8

Step-by-step explanation:

Parallel lines have the same slope. In the given equation, the slope is 2/3 so the slope of the parallel line will also be 2/3.

y = (2/3)x + ?

Plug in (-3, 6) for (x, y) in the equation.

6 = (2/3)(-3) + ?

6 = -2 + ?

? = 8

Final equation: y = (2/3)x + 8

7 0
3 years ago
In California in 2000, the ballot included an initiative to add "none of the above" to the list of options in all candidate race
sveticcg [70]

Answer:

No, because the sample was randomly selected.

Step-by-step explanation:

In this example, the main element that we need to focus on is the way in which the sample was determined. We learn that the sample was taken in California with 1000 people. However, this sample was random, and the survey was conducted in both English and Spanish. The fact that this was a random sample means that it is representative of the population. The size of the population does not affect the accuracy of a random sample.

4 0
3 years ago
What is the slope of these lines?<br> What is the equation of these lines?
Mashcka [7]
For both lines the slope is 5/2 or 2.5.
Since the y-intercept is zero for both, both the equations are:
y=2.5x
Or
y=5/2x
4 0
3 years ago
Find the mean of:<br> 16 32 10 28 8 19 32 26<br> 33 39 98 399
iren2701 [21]

Answer:

91.125

Step-by-step explanation:

Total number/ Total number of quantity

16+32+10+28+8+19+32+26+33+39+98+399

729

Divode by number of quantity (8)

729/8

=91.125

Hope this helps, dont hesitate to Ask in comment below. Mark me as brainliest also appriciated!!

5 0
3 years ago
Section J in an arena has 20 rows each row has 15 seats all tickets cost $18 each if I'll seats are sold how much money will the
12345 [234]
20 rows * 15 seats per row=300 seats in section J
300 seat in Section J * $18 per ticket= $5,400 in revenue
6 0
4 years ago
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