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3 years ago

HELP PLEASE

Mathematics

1 answer:

Brums [2.3K]3 years ago

4 0

Answer:

Step-by-step explanation:

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1. Classify the triangle according to side length and angle measurement.

mezya [45]

Answer:

1. Scalene right

2. Isosceles acute

3. Parallelogram

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3 years ago

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The cost of producing x units of a product is $1.25 per unit plus $1,000 in flat production costs. If you spend $3,000 on produc

iragen [17]

Answer:

1600

Step-by-step explanation:

1.25x + 1000 = 3000

Subtract 1000 from both sides

1.25x = 2000

Divide both sides by 1.25

x = 1600

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3 years ago

Which expressions are equivalent to g + h + (j + k)? Check all that apply.

Paha777 [63]

Answer:

${ \tt{g + h + (j + k)}} \\ = (g + h) + j + k$

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3 years ago

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Two ropes are attached to a large ballon in a parade. The people holding the ropes are 40 feet apart,and the angle between the t

qaws [65]

Ropes are 9.63 meters ans 8.178 meters.

<u>Step-by-step explanation:</u>

Step 1 :

List all the given things

Distance between people holding ropes = 40 =(40*0.3048) meters = 12.192 meters

Angle between two ropes = 86 degrees

Angle of elevation of one rope = 42 degrees

Step 2 :

Two angles of triangle are already given so third angle can be calculated as -

Third angle = 180 - ( 86 + 42 ) = 52 degrees

Step 3 :

As we know all three angles we will apply sine rule now, which is

$\frac{a}{sine A} = \frac{b}{sine B} = \frac{c}{sine C}$

Step 4 :

By putting values, we have

$\frac{a}{sine 52} = \frac{b}{sine 42} = \frac{12.192}{sine 86}$

Step 5 : Calculating a and b

$a = 12.192 * \frac{sine 52}{sine 86}$ , $b = 12.192 * \frac{sine 42}{sine 86}$

Step 6 :

By putting values of all sine and calculating we get,

a = 9.63 meters and b = 8.178 meters

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3 years ago

2. Decide which estimate is closest to the actual answer. Explain your reasoning.

sashaice [31]

Question A
take $100.80 divide it by 35 which would equal 2.88
so round that up for 3.0 for the closest answer

Question B
take 49.2 and divide it by 6 which would equal 8.2
so round it to the nearest number which would be 8.0

Question C
take 0.78 and divide it by 20L which would equal 0.039
so round that up to the closest number which would be 0.04L

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4 years ago

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