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Elenna [48]
3 years ago
12

Insert two sets of grouping symbols to make the equation true. 102 + 4 • 6 + 3 − 27 ÷ 9 − 6 = 127

Mathematics
1 answer:
allsm [11]3 years ago
5 0
Idk i literally get one away for everything i do
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What is the least common denominator for 1/2 & 2/3 ?
IrinaVladis [17]

Answer: 6

Step-by-step explanation:

1/2 = 3/6

2/3 = 4/6

4 0
4 years ago
To the nearest tenth of a degree, find the sizes of the acute angles in the 5-12-13 triangle and in the 9-12-15 triangle. This e
Paha777 [63]

Answer:

Step-by-step explanation:

A triangle whose sides are 5-12-13 is a right angle triangle because the sides form a Pythagoras triple. This means that

Hypotenuse² = opposite side² + adjacent side²

If hypotenuse = 13,

Opposite side = 12, then we can determine one acute angle by applying the sine trigonometric ratio

Sin θ = opposite side/adjacent side

Sin θ = 12/13 = 0.923

θ = Sin^-1(0.923) = 67.4°

The other acute angle is

90 - 67.4 = 22.6°

For 9-12-15 triangle

Sin θ = 12/15 = 0.8

θ = Sin^-1(0.8) = 53.1°

The other acute angle is

90 - 53.1 = 36.9°

For 13- 14-15 triangle,

Sin θ = 14/15 = 0.933

θ = Sin^-1(0.933) = 68.9°

The other acute angle is

90 - 68.9 = 21.1°

Another example would be 3-4-5

Sin θ = 4/5 = 0.933

θ = Sin^-1(0.8) = 53.1°

The other acute angle is

90 - 53.1 = 36.9°

3 0
3 years ago
Find the distance of a plane that travels at an average speed of 200mi/hr<br> for 8.5 hours
asambeis [7]

Answer:

1800 mi

Step-by-step explanation:

Recall that (distance) = (rate)(time).

Here, (distance) = (200 mi/hr)(8.5 hr) = 1800 mi

6 0
3 years ago
The vertex angle of isosceles triangle is 110. what are the measures of the base angles
alexgriva [62]
Two sides are equal in an isosceles triangle. This means that the angle both sides make with the third side must be the same. Since the angles in a triangle add up to 180°, you can subtract 110° from 180° and divide your answer by two. The resulting number will be the measure of each of the two unknown angles
3 0
2 years ago
The point (x,y) is first rotated 180 degrees clockwise about the origin, translated 6 units to the left, and then reflected acro
dangina [55]

Answer:

Karen needs to take her pet kitten, Scooter, to the vet for a checkup. It's hard to get Scooter into his carrying case for the trip to the vet. He never wants to go! Scooter's carrying case has a rectangular front that is 11 inches wide and 9 inches tall. The case is 16 inches long. What is the volume of Scooter's carrying case?

Step-by-step explanation:

6 0
3 years ago
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