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2 years ago

Identify the triangle that contains an acute angle for which the sine and cosine ratios are equal.

Mathematics

2 answers:

lutik1710 [3]2 years ago

8 0

Answer:

its b

Step-by-step explanation:

algol132 years ago

3 0

Answer:

i need the diagram

Step-by-step explanation:

plz

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Which expression is equivalent to a+b / c+d

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Please help!!!! got to do this for math

Umnica [9.8K]

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$11\sqrt{2}-5\sqrt{7}$

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2 years ago

Need help with geo please 20 points

Serjik [45]

Answer:

Step-by-step explanation:

Option B is correct - angle ABE is less than 90 degrees, therefore it is acute, and angle DBC is greater than 90 degrees, therefore it is obtuse.

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2 years ago

A rectangular plot of farmland will be bounded on one side by a river and on the other three sides by a single-strand electric

larisa86 [58]

Answer:

525 x 1,050

A = 551,250 m²

Step-by-step explanation:

Let 'L' be the length parallel to the river and 'S' be the length of each of the other two sides.

The length of the three sides is given by:

$2S+L=2,100\\ L=2100-2S$

The area of the rectangular plot is given by:

$A=S*L\\A=S(2100-2S)\\A=2100 S -2S^2$

The value of 'S' for which the area's derivate is zero, yields the maximum total area:

$\frac{dA(S)}{dS}=\frac{d(2100 S -2S^2)}{dS}\\0= 2100 - 4S\\S=525$

Solving for 'L':

$L=2100-(2*525)\\L=1,050$

The largest area enclosed is given by dimension of 525 m x 1,050 and is:

$A = 525*1,025\\A=551,250\ m^2$

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3 years ago

Which expressions are equivalent to 12r-5?

Gekata [30.6K]

Answer:

Step-by-step explanation:

because u cant be wrong with going with none of the above due the fact that they could be decimals and they didn't want to write out the full number therefore making it incorrect. No need to thank me.

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2 years ago