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3 years ago

Helppp plsss ill give brainilest, bots dont reply to me please

Mathematics

1 answer:

lara31 [8.8K]3 years ago

4 0

Answer:

Step-by-step explanation:

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If the first term of the series is 30 and the 14th term is 95, what is the sum of all the terms of the series?

RideAnS [48]

Answer:

D) $S_{14} = 875$ .

Step-by-step explanation:

Given : If the first term of the series is 30 and the 14th term is 95,

To find : what is the sum of all the terms of the series.

Solution : We have given

First term = 30 .

14 th term = 95.

Sum of all term = $S_{n} =\frac{n(first\ term +\ last\ term)}{2}$ .

Here, n = 14.

$S_{14} =\frac{14(30 +95)}{2}$ .

$S_{14} =\frac{14(125)}{2}$ .

$S_{14} =\frac{1750}{2}$ .

$S_{14} = 875$ .

Therefore, D) $S_{14} = 875$ .

7 0

3 years ago

Read 2 more answers

Julio bought 4 pounds of apples and one bag of oranges at the store. The apples cost $1.75 per pound and the bag of oranges cost

vaieri [72.5K]

Answer: $9.99

Step-by-step explanation:

There are 4 pounds of apples with each pound costing $1.75.

There is one bag of orange with a bag costing $2.99.

Total = (4 * 1.75) + 2.99

= 7 + 2.99

= $9.99

5 0

3 years ago

I need help on number 18

Shtirlitz [24]

I can't see the price for shoe rentals but the expression should be
total cost in dollars (y)=(number of games (3) X the price of a game ($4)) + price of shoes. Plug in your values and you should get y=$12+shoes.

3 0

3 years ago

A group of people were asked if they had run a red light in the last year. 386 responded "yes", and 137 responded "no". Find the

ludmilkaskok [199]

Answer: The probability would 0.35770234986 or 35%

Step-by-step explanation:

3 0

3 years ago

Please help me with precal

Doss [256]

Consider the function $f(x)=\sqrt{x}.$ This function has:

the domain $x\in [0,\infty);$
the range $y\in [0,\infty).$

If the domain of unknown function is $[a,\infty),$ then $x\ge a$ or $x-a\ge 0.$ This means that you have $\sqrt{x-a}$ as a part of needed function.

If the range of unknown function is $[b,\infty),$ then $y\ge b.$ This means that you have to translate function b units up and then the expression of the function is

$y=\sqrt{x-a}+b.$

Answer: correct choice is B.

6 0

3 years ago