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2 years ago

Please help WILL MARK BRAINLIEST I need the right answer

Mathematics

1 answer:

LUCKY_DIMON [66]2 years ago

6 0

Answer: a

Step-by-step explanation:

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What is the sum of the infinite geometric series?

nikitadnepr [17]

An infinite geometric series is the sum of an infinite geometric sequence . This series would have no last term. The general form of the infinite geometric series is a1+a1r+a1r2+a1r3+... , where a1 is the first term and r is the common ratio. We can find the sum of all finite geometric series.

On what I’ve researched :)

3 0

3 years ago

A boat travels 12 Mph in still water. It can travel 18 miles upstream in the same time that it can travel 24 miles downstream. W

quester [9]

Answer:

The current of the water is 1.714 mph.

Step-by-step explanation:

Let the boat in t hours can travel 18 miles upstream, and 24 miles downstream.

Therefore, if the speed of the boat in still water is 12 mph and that of water is x mph , then we can write

$\frac{18}{t} = 12 - x$ ........ (1) and

$\frac{24}{t} = 12 + x$ ............ (2)

Now, adding those two equations (1) and (2) we get,

$\frac{18}{t} + \frac{24}{t} = 24$

⇒ t = 1.75 hours.

Now, from equation (1) we get

$\frac{18}{1.75} = 12 - x$

⇒ x = 1.714 mph

Therefore, the current of the water is 1.714 mph. (Answer)

4 0

3 years ago

The midpoint between y and 33 is −7. Find y.

dusya [7]

Answer:

y=-47

Step-by-step explanation:

we know that

The formula to calculate the midpoint between two points in a number line is given by

$m=(\frac{x_1+x_2}{2})$

we have

$x_1=y\\x_2=33\\m=-7$

substitute the given values

$-7=(\frac{y+33}{2})$

solve for y

$-14=y+33\\y=-14-33\\y=-47$

4 0

3 years ago

Differentiate which of the following models best fits the data.

shepuryov [24]

Answer:

Option B f(x) = x + 1

Step-by-step explanation:

The given points are

x y Relationship (x & y)

-2 -1 -2 + 1 = -1

0 1 0 + 1 = 1

1 2 1 + 1 = 2

3 4 3 + 1 = 4

5 6 5 + 1 = 6

As we can see the difference in x and y values of each ordered pairs is one

Therefore, relationship between x & y that can be represented by y = x + 1

Option B f(x) = x + 1 is the answer.

3 0

2 years ago

Find the value of a and b.

never [62]

Answer:

2a°+2a°=180°[opposite angle of cyclic quadrilateralis 180°]

4a°=180

a=180°/4

a=45°

4b+2b=180°[similarly]

6b=180°

b=180°/6

b=30

5 0

2 years ago

Please help WILL MARK BRAINLIEST I need the right answer​

Please help WILL MARK BRAINLIEST I need the right answer