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3 years ago

HELP please I need help

Mathematics

1 answer:

Fantom [35]3 years ago

8 0

25/1 8/5 I thinks that all

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Anyone know this?? it’s finding the sine of a triangle!!

LenKa [72]

Answer:

I'm not sure what you want me to answer from this, so I solved for every variable:

Angle A: 83°

Side b: 6.29

Side c: 5.8

Step-by-step explanation:

-----Angle A:

Since the sum of the interior angles of a triangle ALWAYS equal 180°, we can solve for angle A as follows:

$A+51+46=180\\A+97=180\\A=83$

-----Side b:

Here, we use the sin rule for finding sides, since we know all of the angles as well as one side:

$\frac{a}{sin(A)} =\frac{b}{sin(B)} \\\frac{8}{sin(83)} =\frac{b}{sin(51)} \\8.06=\frac{b}{0.78} \\6.29=b$

-----Side c:

$\frac{a}{sin(A)} =\frac{c}{sin(C)} \\\frac{8}{sin(83)}=\frac{c}{sin(46)} \\8.06=\frac{c}{0.72} \\5.8=c$

7 0

2 years ago

Read 2 more answers

If the federal reserve sells $70,000 in treasury bonds to a bank at a 9% interest rate what is the immediate effect on the money

noname [10]

Answer : A it is decreased by $70,000

Federal reserve sells $70,000 in treasury bonds to a bank.

Removing cash decreases the money supply . Money supply decreases when exchanging for bonds. That is the immediate effect on money supply.

Federal reserve sells $70,000 . so money supply is decreased by $70,000

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4 years ago

West middle school ordered 121 boxes of markers. If there are 22 teachers how many boxes does each teacher get? Write answer as

never [62]

The answer should be 5.5 because you have to divide it. The fraction would be 5 over 10

6 0

3 years ago

An oral surgeon is tracking how many patients were referred to him by various local dentists. In the past year, 5 dentists made

Hoochie [10]

The mode is 6 because it repeats

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3 years ago

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Suppose Ken has 25 coins and nickels and dimes only and has a total of a $1.65 how many of each coin does he have?

nikklg [1K]

$x-\ number\ of\ nickels\\
y-\ number\ of\ dimes\\\\
x+y=25 \ \ \ | x=25-y\\
0.05x+0.1y=1.65\\\\
0.05(25-y)+0.1y=1.65\\\\
1.25-0.05y+0.1y=1.65\\\\
1.25+0.05y=1.65\ \ \ | subtract\ 1.25\\\\
0.05y=0.4\ \ \ \ \ | divide\ by\ 0.05\\\\
y=8\\\\
x=25-8=17\\\\
There\ are\ 17 \ nickels\ and\ 8\ dimes.
$

6 0

3 years ago