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torisob [31]
3 years ago
14

mr burns class is taking a field trip to the planetarium. The trip will cost $27 for each student. There are 18 students in his

class. Use compatible numbers to estimate the total cost of the field trip.
Mathematics
2 answers:
8090 [49]3 years ago
4 0
The correct answer is 30 times 20 equals 600.
avanturin [10]3 years ago
3 0
So, 27=30 and 18=20 rounded 

so what you would do now is multiply 30 x 20 and you get $600
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In ΔVWX, the measure of ∠X=90°, XW = 36, WV = 85, and VX = 77. What ratio represents the sine of ∠W?
eimsori [14]

<u>Given</u>:

In ΔVWX, the measure of ∠X=90°, XW = 36, WV = 85, and VX = 77.

We need to determine the ratio that represents the sine of ∠W

<u>Ratio of sin of ∠W:</u>

The ratio of sin of ∠W can be determined using the trigonometric ratios.

The ratio of sin \ \theta is given by

sin \ \theta=\frac{opp}{hyp}

From the attached figure, the opposite side of ∠W is XV and the hypotenuse of ∠W is WV.

Hence, substituting in the above ratio, we get;

sin \ W=\frac{XV}{WV}

Substituting the values, we get;

sin \ W=\frac{77}{85}

Thus, the ratio of sine of ∠W is sin \ W=\frac{77}{85}

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3 years ago
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Step-by-step explanation:

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2 years ago
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