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4 years ago

Help!!!! will mark brainliest

Mathematics

1 answer:

FrozenT [24]4 years ago

4 0

Answer:

1. Non linear

2. Not a function because when you put a straight line through it, the lines will touch on both sides.

3. The Y- intercept is (0,0) It represents the elevation of the golf ball

I don't know the answer for part D I'm really sorry!

Step-by-step explanation:

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Best grocery sells 5lb of salmon for $100. Fresh grocery’s sells 3 lb of salmon for $63. What is the unit price of salmon at eac

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20$

Step-by-step explanation:

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3 years ago

What is 3,072/3 Explain in steps,Answer quick

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3 years ago

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4 years ago

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3 years ago

Read 2 more answers

6) Two boats set off from X at the same

lord [1]

Answer:

The distance between the two boats after 2.5 hours is 57 m.

Step-by-step explanation:

The distance covered by each boat after 2.5 hours are:

speed = $\frac{distance}{time}$

distance = speed x time

For boat A, speed = 14 km/h and time = 2.5 hrs.

So that,

distance = 14 x 2.5

= 35 km

For boat B, speed = 18 km/h and time = 2.5 hrs.

So that,

distance = 18 x 2.5

= 45 km

The distance between the two boats after travelling 2.5 hours can be determined by applying the cosine rule. Let the distance be represented by x, so that:

$a^{2}$ = $b^{2}$ + $c^{2}$ - 2bc Cos A

$x^{2}$ = $45^{2}$ + $35^{2}$ - 2(45 x 35) Cos $90^{o}$

= 2025 + 1225 - 3150 (0)

= 3250

x = $\sqrt{3250}$

= 57.0088

x = 57.0 m

The distance between the two boats after 2.5 hours is 57 m.

4 0

3 years ago