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coldgirl [10]
3 years ago
10

HELP ASAP PLEASE Look at the equations above.

Mathematics
1 answer:
leonid [27]3 years ago
4 0

Answer:

false

true

true

false

Step-by-step explanation:

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Please help will give brainliest
ryzh [129]

Answer:

c = 14

Step-by-step explanation:

For this triangle we have to

a=18.2\\B=62\°\\C=48\°

We want to find the length of b

We know that the sum of the internal angles of a triangle is 180 °

then

A + 62 +48=180\\\\A=180-62-48\\\\A=70\°

Now we use the sine theorem to find the length of c:

\frac{sin(A)}{a}=\frac{sin(B)}{b}=\frac{sin(C)}{c}

Therefore:

\frac{sin(A)}{a}=\frac{sin(C)}{c}\\\\c=\frac{sin(C)}{\frac{sin(A)}{a}}\\\\c=a*\frac{sin(C)}{sin(A)}\\\\c=(18.2)\frac{sin(48)}{sin(70)}\\\\c=14

8 0
3 years ago
Read 2 more answers
There is 240 mg of sodium for 36 crackers. How much sodium for 15 crackers.
muminat

100. You would divide the original amount of crackers by 240, then multiply by the new amount of crackers.

4 0
3 years ago
or the 7:30 show time, 140 movie tickets were sold. Receipts from the $13 adult tickets and the $10 senior tickets totaled $1,66
Sever21 [200]

Answer:

adult tickets x=88  and senior tickets y=52

Step-by-step explanation:We can take adult ticket as x and senior ticket as y.

Now we will form two equations

x + y = 140

13x + 10y = 1664

This system of equations we will solve using Gaussian algorithm (gradual elimination of the variables)  

We will multiply first equation with (-10) and get

-10x-10y=-1400 Than we will add to second equation and get

3x=264 => x=264/3=88 => x=88

Now we will replace x in the first equation before multiplying and get

88+ =140 => y= 140-88= 52 => y=52

adult tickets x=88  and senior tickets y=52

Good luck!!!

6 0
3 years ago
For f(x) = x^2, find f(4 - sqrt(2))
ryzh [129]
\bf f(x)=x^2\qquad f(4-\sqrt{2})\implies x=4-\sqrt{2}
\\\\\\
f(4-\sqrt{2})=\left( 4-\sqrt{2} \right)^2\implies f(4-\sqrt{2})=\left( 4-\sqrt{2} \right)\left( 4-\sqrt{2} \right)

do a FOIL on it to get the product, or just use the binomial theorem to expand the binomial and simplify
4 0
3 years ago
Why is it important to look at more than just the first two numbers of a pattern to decide the rule for a pattern?
poizon [28]
Sometimes there is division involved which may seem the same for the first two, but is different for the rest.

please choose brainliest :]
4 0
4 years ago
Read 2 more answers
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