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USPshnik [31]
3 years ago
14

Triangle ABC contains side lengths b=3 inches and c= 5 inches in two or more sentences describe whether or not it is possible fo

r mangle B =45 degrees
Mathematics
1 answer:
Scrat [10]3 years ago
5 0

Answer:

Since sine of all angles are always less than one, this shows there is no possible way to have an angle C. Thus it is impossible to have a triangle ABC with the given properties of side lengths b=3 inches and c= 5 inches to have angle B =45 degrees.

Step-by-step explanation:

In the attached  drawing, each of the tic-marks are equal and

represent 1 inch each.  The angle B has measure 45.  We can

see by the arc that the line AC, which equals 3 inches, is

not long enough to reach the slanted side of the 45 angle.

Therefore triangle ABC is not possible.  We can also show

by the law of sines that no triangle ABC with the given

properties in possible.

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PLEASE HELP! WILL MARK BRAINLIEST!
julsineya [31]
First of all, you would use the FOIL method for -5(a + 3). This means to just multiply -5 to all of the values in the parenthesis. This would equal:

-5a -15 = -55

Then after, you would add 15 for both sides and get -5a = -40

Divide by -5 on both sides, you get a = 8.

Here is a visual representation: https://puu.sh/zPxLC/a16740d0ce.png

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2 years ago
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I think the correct answer would be : p = -n+4m/L
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3 years ago
10(14-6) what is value of expression
Annette [7]

Answer:

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Step-by-step explanation:

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If you can mow 1000 square feet per minute, how long to mow a circle with diameter of 800 feet?
maria [59]

Answer:

You can calculate the area of the circle

We know the formula is: \pi*r^2

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3 0
3 years ago
The ratio of the number of boys to the number of girls in a theater is 7:9. There are 12 more girls than boys. How many children
skelet666 [1.2K]
Ok, there is an equation you can use to solve it.

n is a number.

p is also a number, but different to n.

\frac { 7 }{ 9 } \cdot \frac { n }{ n } =\frac { p }{ p+12 } \\ \\ \frac { 7 }{ 9 } \cdot 1=\frac { p }{ p+12 } \\ \\ \frac { 7 }{ 9 } =\frac { p }{ p+12 }

\\ \\ 7\left( p+12 \right) =9p\\ \\ 7p+84=9p\\ \\ 9p-7p=84\\ \\ 2p=84\\ \\ p=\frac { 84 }{ 2 } \\ \\ p=42

Therefore:

<u></u>\frac { 7 }{ 9 } \cdot \frac { n }{ n } =\frac { 42 }{ 42+12 } =\frac { 42 }{ 54 } =\frac { 7 }{ 9 } \cdot \frac { 6 }{ 6 } \\ \\ \therefore \quad n=6

So all together there were 54 girls and 42 boys in the theatre.

54 + 42 = 96

That's 96 children in total. (Answer)

7:9 = 42:54
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3 years ago
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