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3 years ago

Which equation is represented by the table

Mathematics

2 answers:

Marat540 [252]3 years ago

6 0

Answer:

B. b=3a+2

Step-by-step explanation:

I just substituted all of the a values in and I got the b values.

babymother [125]3 years ago

4 0

Answer:

Your answer is B, b = 3a+2

Step-by-step explanation:

for example:

3(2) + 2 = 8

Insert a number from column a into the variable and it will come out as the number in column b if it's the correct equation.

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If sin 115 degrees≈ 0.91 and cos 115 degrees = -0.42, then sin -115 = ____ and cos -115 degrees =_____

mafiozo [28]

Answer:

If sin 115 degrees≈ 0.91 and cos 115 degrees = -0.42, then sin -115 = -0.91 and cos -115 degrees = 0.42

Step-by-step explanation:

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3 years ago

Find the vertex and the axis of symmetry of the graph of the function?

Orlov [11]

3) Vertex: (-7, 0) Axis of Symmetry: x=-7
6) Vertex: (-2, -1) Axis of Symmetry: x=-2

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3 years ago

List all the factors of 42 from least to greatest. Enter your answer below,

yuradex [85]

The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.

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2 years ago

Read 2 more answers

It takes 32 hours for a motorboat moving downriver to get from pier A to pier B. The return journey takes 48 hours. How long doe

lina2011 [118]

Answer:

Time taken by the un powered raft to cover this distance is T = 192.12 hr

Step-by-step explanation:

Let speed of boat = u $\frac{km}{hr}$

Speed of current = v $\frac{km}{hr}$

Let distance between A & B = 100 km

Time taken in downstream = 32 hours

$32 = \frac{100}{u +v}$

$u + v = \frac{100}{32}$

u + v = 3.125 ------ (1)

Time taken in upstream = 48 hours

$48 = \frac{100}{u -v}$

$u -v = \frac{100}{48}$

u - v = 2.084 ------- (2)

By solving equation (1) & (2)

u = 2.6045 $\frac{km}{hr}$

v = 0.5205 $\frac{km}{hr}$

Now the time taken by the un powered raft to cover this distance

$T = \frac{100}{v}$

Because un powered raft travel with the speed of the current.

$T = \frac{100}{0.5205}$

T = 192.12 hr

Therefore the time taken by the un powered raft to cover this distance is

T = 192.12 hr

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3 years ago

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the ez pay plan costs $0.15 per minute. write an expression that represents the monthly bill for x minutes on the ez pay plan

Neporo4naja [7]

we are given

The ez pay plan costs $0.15 per minute

so, cost is $0.15 per minutes

we have

x minutes on the ez pay plan

so, time for plan is x minutes

total bill = cost * time for plan

now, we can plug values

we get

total bill = $0.15x..............Answer

8 0

3 years ago

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