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bazaltina [42]
3 years ago
15

A human red blood cell is about 0.00000 8 in diameter. Put this number in scientific notation.​

Mathematics
1 answer:
GalinKa [24]3 years ago
8 0

Answer:

\large\boxed{0.000008=8\cdot10^{-6}}

Step-by-step explanation:

The scientific notation:

a\cdot10^k

where 1 ≤ a < 10 and k ∈ Z.

0.000008

You must move the comma 6 places to the right.

0\underbrace{.000008}_{6\rightarrow}=8\cdot10^{-6}

0.000008=\dfrac{8}{1,000,000}=8\cdot10^{-6}

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Which trigonometric identity is given by the formula adjacent side/opposite side?
Otrada [13]

Answer:

cot= adjacent side/opposite side

Option B is correct.

Step-by-step explanation:

We need to identify trigonometric identity which is given by the formula adjacent side/opposite side

The trigonometric identity for tan is

tan=  opposite side/adjacent side

But We are given adjacent side/opposite side

Since cot is inverse of tan so, formula of cot is:

cot= adjacent side/opposite side

Option B is correct.

5 0
3 years ago
If A(1,2), B(5,-4) and (-3,2) are the vertices of a triangle, which statement holds true?
Zigmanuir [339]

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The correct option is A.

<h3>What is a triangle?</h3>

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The sum of all the angles of a triangle is always equal to 180°.

The length of different sides are:

AB = \sqrt{(5-1)^2+(-4-2)^2} = \sqrt{16+36} = \sqrt{52}\rm\ units

BC = \sqrt{(-3-5)^2+(2+4)^2} = \sqrt{64+36} = 10\rm\ units

AC = \sqrt{(2-2)^2+(-3-1)^2} = \sqrt{16} = 4\rm\ units

Since the length of all the sides of the triangle is not equal it is a scalene triangle.

Hence, the correct option is A.

Learn more about Triangle:

brainly.com/question/2773823

#SPJ1

7 0
2 years ago
Read 2 more answers
If g(x) = 2x − 1, what is g(−2.3)?
Kaylis [27]

Answer:

Gx 2x -1 (2,-5)

Step-by-step explanation:

I think that was the thing on apex sorry if wrong

3 0
3 years ago
How many lines of symmetry does a regular polygon with 16 sides have? A. 2 B. 8 C. 32 D. 16
denpristay [2]

Answer:

C. 32

Step-by-step explanation:

There are 16 lines of symmetry passing through the vertex's and another 16 passing through the mid points of the sides

8 0
3 years ago
David pays $335 in advance on his account at the gym. Each time he visits the gym , $6 is deducted from the account. Write an eq
Korolek [52]

Answer:

x = 335 - (6 * v)

Step-by-step explanation:

In order to calculate the value remaining, we need to first multiply the daily cost of each visit by the number of visits made to the gym which is represented by the variable (v). Once we have this cost of all the days then we subtract this amount from the current account balance in order to get the new remaining balance which is represented by x.

x = 335 - (6 * v)

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2 years ago
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