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-Dominant- [34]
3 years ago
13

What is the value of the expression below?

Mathematics
1 answer:
saw5 [17]3 years ago
6 0

Answer:

<h2>C. 4</h2>

Step-by-step explanation:

a^\frac{m}{n}=\bigg(\sqrt[n]{a}\bigg)^m\\\\(-8)^\frac{2}{3}=\bigg(\sqrt[3]{-8}\bigg)^2=(-2)^2=4

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How to solve (x-10)(x + 10)
tensa zangetsu [6.8K]

Answer:

Multiplying/simplifying, it is x^2-100(found by the FOIL method)

Step-by-step explanation:

multiply the commons factors x times x is x squared

-10 times 10 is -100. Negative times positive is negative.

6 0
3 years ago
The perimeter of a triangle is 27 centimeters. Two sides of the triangle are 7 centimeters and 13 centimeters. Find the length o
Studentka2010 [4]
I believe it’s the answer is 2.6
3 0
2 years ago
A car travels 17 miles on one gallon of gas
zmey [24]

When x =170, y =10, when x = 187, y = 1, when x = 204, y = 12, when x = 221, y = 13, when x = 238, y = 14, when x = 255, y = 15, when x = 272, y = 16, when x = 289, y = 17, when x = 306, y = 18, when x = 323, y = 19, when x = 340, y = 20,

Step-by-step explanation:

Step 1; Assume y is the gallons in the tank while x is the range of the car. We need to determine the equation relating the y to the x values in the given coordinates. x is the dependent value whereas y is the independent value i.e. the value of x depends on the value of y.

Step 2; As y increases, x also increases. For every extra gallon in the tank, the car can go another 17 miles. So with y as the amount of gas in the tank in gallons and x as the range of vehicle, we get;

x = 17y, this represents the relation between x and y.

To find the gallons in the tank, y = \frac{x}{17},

For x = 170, y = \frac{170}{17} = 10,

Similarly equating the values we get that when x = 187, y = 11,

when x = 204, y = 12,

when x = 221, y = 13,

when x = 238, y = 14,

when x = 255, y = 15,

when x = 272, y = 16,

when x = 289, y = 17,

when x = 306, y = 18,

when x = 323, y = 19,

when x = 340, y = 20,

8 0
2 years ago
Please answer I have a freaking e in my math class​
sp2606 [1]

Answer: I would answer but the image is blocked for me- can you type the problem by any chance?

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
HELP!!! PLZZ THIS IS SO FRICKIN HARD!
krek1111 [17]

Answer:

14.3%

Step-by-step explanation:

1/7=0.142857142857

round that to the nearest tenth and that is 0.143

make it a percentage and it is 14.3%

8 0
2 years ago
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