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Darya [45]
4 years ago
8

Can u plz help me I'm really lost

Mathematics
1 answer:
Marianna [84]4 years ago
5 0
An exponent tells you how many multiples there are of a number.

1a. (0.6)^2 = (0.6)*(0.6) = 3.6

1b. 4^2 = 4*4 = 16

An exponent of 1 is just one of the number, an exponent of zero is always equal to 1.

2a. (0.3)^1 = 0.3

if there's parenthesis, you must multiply all within it by itself.

3a. (1/10)^2 = 1^2/10^2 = 1/100

3b. (2/3)^2 = 2^2/3^2 = 4/9

hope this helps. let me know if you have any other questions.
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Answer:

A

Step-by-step explanation:

No need. It’s simple.

B can’t be it because it uses multiplication.

C can’t be it because it makes no sense.

D also makes no sense.

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5 0
3 years ago
Two trains are moving towards each other. One train moves at a speed of 50 mph, and the other train travels at 60 mph. How soon
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Brian cut a piece of cardboard in the shape of a trapezoid the area of the cut out is 43.5 cm² if the bases are 6 cm And 8.5 cm
Likurg_2 [28]

Answer: the height of the trapezoid is 6 cm

Step-by-step explanation:

The formula for determining the area of a trapezoid is expressed as

Area = 1/2(a + b)h

Where

a and b are the length of The bases are the 2 sides of the trapezoid which are parallel with one another.

h represents the height of the trapezoid.

From the information given,

a = 6 cm

b = 8.5 cm

If the area of the cut out is 43.5 cm², then

53.5 = 1/2(6 + 8.5)h

Cross multiplying by 2, it becomes

43.5 × 2 = (6 + 8.5)h

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h = 87/14.5 = 6 cm

8 0
3 years ago
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