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Bas_tet [7]
3 years ago
11

Please Help, I have to show my work too. 20 pts.

Mathematics
2 answers:
Rina8888 [55]3 years ago
6 0

Answer: 0.55102040816

pav-90 [236]3 years ago
5 0

Answer:

1.8148

Step-by-step explanation:

\frac{823543 * 531441}{794280046581}

\frac{437664515463}{794280046581}

= 1.8148

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What is the value of the slope of a line with the equation: 20-5x?
alina1380 [7]

Answer:

-5

Step-by-step explanation:

the slope is the variable in front of the x

7 0
3 years ago
I need to find the area of a semicircle with a radius of 2 units
MariettaO [177]

Answer:

6.2832 square units (rounded off to four decimal values)

Step-by-step explanation:

Area of a semicircle = \frac{1}{2} × π × r²

r (radius) = 2 units

For our semicircle the area = \frac{1}{2} × π × 2² = 6.28318530718  square units

Or 6.2832 square units (rounded off to four decimal values)

5 0
3 years ago
How many chlorine (Cl) atoms would be in 4 molecules of salt (4 NaCl)?
Sholpan [36]
The answer is A,because the way your question is written,there would be 4 molecules of salt (NA) and one molecule of CL (Chlorine)
3 0
3 years ago
Read 2 more answers
I have a project, im gonna have to teach someone how M and B in the equation y=mx+b affect the equation of the line.
Luba_88 [7]
Y = mix + b would be slope intercept for. your y intercept would be B which is the line that crosses that y intercept your Mx would be a fraction for point slope form like if your slope would be 1 over 2 you would fo up and left twice because of rise over run
8 0
3 years ago
Pls help for 27b!!!!!!!
rodikova [14]

Step-by-step explanation:

\beta

is a root of the quadratic

4 {x}^{2}  - 10x + 5

This quadratic isn't factorable so use the quadratic formula

- b +  -  \sqrt{ \frac{b {}^{2}  - 4ac }{2a} }

The plus and minus sign after b means we going to have two roots.

The roots are

\frac{5 +  \sqrt{5} }{4}

and

\frac{5 -  \sqrt{5} }{4}

We subsitue those values for Beta.

27a.

\frac{5}{2}

27b.

25

6 0
2 years ago
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