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ivann1987 [24]
3 years ago
15

How many distinct arrangements are possible using the word CHEER

Mathematics
1 answer:
mario62 [17]3 years ago
7 0
You are talking about Arrangement. 

So answer will be A(5,5) - C(5,2) = 110. 

Reason to deduce C(5,2) is that E is a duplicate.
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Can someone help me with this thanks ​
Ugo [173]

The length of the brace required is 4.3m

What is sine rule?

In a ΔABC a, b and c are the sides and A, B and C are angles then,

\frac{a}{SinA}=\frac{b}{sinB}=\frac{c}{sinC}

We can find the length, l as shown below:

Let AB=3m, BC=2m and AC=l

Let ∠A=25°

So, in ΔABC

\frac{BC}{sinA}=\frac{AB}{sinC}=\frac{AC}{SinB}

\frac{BC}{sinA}=\frac{AB}{sinC}

\frac{2}{sin25}=\frac{3}{sinC}

\angle{C}=sin^{-1}(\frac{3\times sin25}{2} )

∠C=39.34°

∠A+∠B+∠C=180°

∠B=180°-25°-39.34°

∠B=115.66°

\frac{BC}{sinA}=\frac{AC}{SinB}

\frac{2}{sin25}=\frac{l}{sin(115.66)}

l=\frac{2\times sin(115.66)}{sin25}

l=4.2659

Rounding to nearest tenth of meter.

l=4.3m

Hence, the length of the brace required is 4.3m

Learn more about Sine Rule here:

brainly.com/question/25852087

#SPJ1

8 0
1 year ago
Please rewrite 5x − 15y = − 60 in the slope intercept form
Margarita [4]
Basically solve for y
minus 5x fromboth sides
-15y=-5x-60
divide both sides by -15
y=1/3x+4
4 0
3 years ago
Mr Conover bought 6 boxes of Patel for his art class. He paid $4.50 for each box. What was the total cost of the box
slava [35]
4.50×6=27.00. the total cost of the box will be $27.00
3 0
3 years ago
Start time: 3:30 PM<br> End time: 7:00 PM<br> Elapsed time:
JulijaS [17]

Answer:

3hr 30min

Step-by-step explanation:

3hr 30min

5 0
3 years ago
A tank can be filled by one pipe in four hours and by a second pipe in six hours; and when it is full, the tank can be drained b
just olya [345]
12 hours..........
+ - = 1
Multiply by 12 to clear the fractions
3t + 2t - 4t = 12
t = 12 hrs to fill the pool
3 0
2 years ago
Read 2 more answers
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