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Nezavi [6.7K]
3 years ago
10

AB=A, B, equals Round your answer to the nearest hundredth.

Mathematics
1 answer:
suter [353]3 years ago
7 0

Step-by-step explanation:

\sin(20 \degree)  =  \frac{3}{AB}  \\ AB =  \frac{3}{ \sin(20 \degree) }  \\ AB =  \frac{3}{0.342}  \\ AB = 8.77

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Represent the following sentence as an algebraic expression, where "a number" is the letter x.
matrenka [14]
By the difference of "5 and a number", I assume you mean that number minus 5. In that case, the expression is 8 times (x-5).

If by "the difference of 5 and a number" you mean 5 minus that number, then the expression is 8 times (5-x).
7 0
4 years ago
What is the answer? plz help
LUCKY_DIMON [66]
The answer c is the best
7 0
3 years ago
A line goes through points (0, 2) and (1, 1). What is the x-coordinate of the intersection of this line with the line y = 3x + 3
dybincka [34]

Answer:

The x-coordinate of the intersection of the lines is x=-\frac{1}{4}

Step-by-step explanation:

First you need to know the equation of the line that passes through the points (0,2) and (1,1).

The equation of the line in slope intercept form is y=m*x + b

By having two points, you can use them to find the slope m using the expression:

m=\frac{y2-y1}{x2-x1}

In this case (x1,y1)= (0,2) and (x2,y2)= (1,1). Replacing:

m=\frac{1-2}{1-0}=\frac{-1}{1}=-1

Now you can replace in the values ​​of m, and the values ​​of a point x and y into the equation y = mx + b to find the value of b.

1=(-1)*1 +b

So: 1=-1 +b

b=1+1

b=2

Then you have: y=-1*x +2

So you have the following system of equations:

\left \{ {{y=-1*x+2} \atop {y=3*x+3}} \right.

Equating both equations you have:

-1*x+2= 3*x+3

Solving:

-1*x-3*x= 3-2

-4*x= 1

x=-\frac{1}{4}

<u><em>The x-coordinate of the intersection of the lines is </em></u>x=-\frac{1}{4}<u><em></em></u>

6 0
3 years ago
Read 2 more answers
Convert 60% into a decimal and a Fraction(Simplify)<br> Decimal<br> Fraction
VashaNatasha [74]

Answer:

decimal: .6

fraction: 3/5

7 0
3 years ago
Whats one third of 39,900
o-na [289]
1/3 of 39,900 equals 1/3*39900

(1/3)*(39900/1)= 39900/3

39900/3= 13300

Final answer: 13,300
6 0
4 years ago
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