Please help! will give brainliest

What is the answer for this 3x+4x+5x+...+43x

sweet-ann [11.9K]

Answer:

1032x

Step-by-step explanation:

$3x+4x+\cdots+43x=x(3+4+\cdots+45) \\ \\ =43x\left(\frac{45+3}{2} \right) \\ \\ =43(24x) \\ \\ =1032x$

7 0

1 year ago

For lunch you can pick a main item (pizza or sandwich), a side item (fruit, veggie or chips) and a drink (milk or juice). How ma

lidiya [134]

Answer:

Step-by-step explanation:

There are 2 options for 3 items.

So multiple 2 by 3, and you can have a range of 6 lunches able to be chosen.

2 x 3 = 6

4 0

3 years ago

I need the answer to number 1! Will give Brainliest!

skad [1K]

I think it’s 15.84
because the formula is v = 1/3bh

7 0

3 years ago

Let U = {all integers}.

elixir [45]

All integer numbers are either even or odd. So, the complement to the set B (to the set of all even integers) is the set of all odd integers, that is D.

The integer number of the form 2x is always even, because it is always divided by 2, so the set C is the empty set.

Numbers 1, 3, 5, 7 are odd, therefore they belong to the set D.

7 0

3 years ago

Read 2 more answers

Water is leaking out of an inverted conical tank at a rate of 6800 cubic centimeters per min at the same time that water is bein

Bad White [126]

Answer:

The rate at which water is being pumped into the tank is 13,913.27 cubic centimetre per minute

Step-by-step explanation:

Given that, the height of the conical tank is 13 meters and diameter is 3 meters.

Radius = $\frac32$ meters