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vlabodo [156]
3 years ago
11

Evaluate: 5–^2 = WILL MARK AS BRAINLIEST

Mathematics
2 answers:
Elanso [62]3 years ago
4 0

When you have a negative exponent, you move it to the other side of the fraction to make the exponent positive.

For example:

x^{-2} or \frac{x^{-2}}{1}=\frac{1}{x^2}

\frac{1}{y^{-2}}=\frac{y^2}{1}  or  y²



So:

5^{-2}=\frac{1}{5^2}=\frac{1}{25}

Your answer is B

goldenfox [79]3 years ago
4 0

Answer:

Yea the answer is B good luck.

Step-by-step explanation:


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3x - y = -10<br> -8x - y = 23
Anni [7]

Answer:

(x,y)=(0,-23)

Step-by-step explanation:

5 0
3 years ago
Two math classes took the same quiz. The scores of 10 randomly selected students from each class are listed below. • Sample of C
padilas [110]

Answer:

Step-by-step explanation:

First you have to find the medians which is when you put the numbers in number order and find the one in the middle.

Class A: 60,65,70,70,75,80,80,85,90,90

=77.5

Class B: 75,85,85,85,90,90,90,90,95,100

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That the class B is more advanced, and they probably studied.

6 0
3 years ago
An agricultural company called Phatsima Pty. Ltd. owns an rectangular fuel tank that measures 75 cm by 65 cm by 30 cm.
GaryK [48]
I believe that A is the answer. We can solve this by multiplying 75cm, 65cm and 30cm together. This would give us 146,250.00ml. We can then divide 146,250.00 by 1000 to receive 146.25. We then divide 146.25 by 2 to calculate how many litres there are in half a tank. This would result in 73.125. After that, we multiple 73.125 by the cost of the fuel, which is R20.35. We then receive R 1,480.09375, which can be rounded to R 1,480.10
3 0
1 year ago
Answer question 4 pls for math
brilliants [131]

Answer:

Rule: y = 2x

m = 2

b = 0

Step-by-step explanation:

(17, 34) and (22, 44)

<u>Slope:</u>

m=(y2-y1)/(x2-x1)

m=(44-34)/(22-17)

m= (10)/5

m = 2

<u>Slope-intercept:</u>

y - y1 = m(x - x1)

y - 34 = 2(x - 17)

y - 34 = 2x - 34

y = 2x

y = mx + b

y = 2x

b = 0

3 0
3 years ago
If a whole pan of brownies is being sold for $16, how much it cost to purchase 3/4<br> of the pan?
KATRIN_1 [288]

Answer:

$12

Step-by-step explanation:

We have to do this operation:

(16/4) x 3 = 4 x 3 = $12

5 0
3 years ago
Read 2 more answers
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