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4 years ago

How is the expression 10 with an exponent of negative 5 written using a positive exponent?

Mathematics

1 answer:

Irina18 [472]4 years ago

5 0

10⁻⁵ is the same number as 1 / 10⁵ .

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The expression 12 + 8 represents the perimeter of a square. Write 12 + 8 as a product. Then tell what expression represents one

kupik [55]

Answer:

(3+2)

Step-by-step explanation:

Perimeter of a square = 4L

L is the length of one side of the square

Given the expression 12 + 8 that represents the perimeter of a square, factoring out 4 from both terms;

12 + 8

= (4*3)+(4*2)

= 4(3+2)

Comparing with 4L

4L = 4(3+2)

Divide both sides by 4

4L/4 = 4(3+2)/4

L = (3+2)

Hence the expression that represents one side of the square is (3+2)

5 0

3 years ago

whats the answer to the diameter of a circle with a circumference of 50mm rounded to the nearest tenth?

barxatty [35]

The diameter of the the circle would be 15.92 mm so if you rounded that up it would 16.

8 0

4 years ago

Please help! I'm confused...

maw [93]

So since angle A is 120, so angles B+C=60 because there are 180 degrees in a triangle. So B:C is 2:1. So angle B is 40 and angle C is 20.

4 0

3 years ago

Please I need help!!

MrRissso [65]

Answer:

These expressions are both correct because they are equivalent to each other.

5(4) + 7(4) = 20 + 28 = 48

(12 x 8)/2 = 96/2 = 48

Let me know if this helps!

8 0

3 years ago

In a certain liberal arts college with about 10,000 students, 53% are males. If two students from this college are selected at r

tamaranim1 [39]

Answer:

There is a 50.18% probability that they are of the same gender.

Step-by-step explanation:

We have these following percentages:

53% of the students are males.

47% of the students are females.

If two students from this college are selected at random, what is the probability that they are of the same gender?

The probability that each is male is 53%. So the probability of both being males is

$P_{MM} = 0.53*0.53 = 0.2809$

The probability that each is female is 47%. So the probability of both being females is

$P_{FF} = 0.47*0.47 = 0.2209$

The probabilty that both are the same gender is:

$P = P_{MM} + P_{FF} = 0.2809 + 0.2209 = 0.5018$

There is a 50.18% probability that they are of the same gender.

7 0

4 years ago