2 years ago

Help plz ASAP !!!!!!!!!

Mathematics

1 answer:

charle [14.2K]2 years ago

8 0

Answer:

The answer is D: 18%

Step-by-step explanation:

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5+1+(-3)+...+(-395)=

sleet_krkn [62]

$= \frac{(-395+5)(-395-5-4)}{2.(-4)} \\ \\ \\=-19695 \\ \\ \\ Good Luck:))$

5 0

3 years ago

The bottom and top of a box are rectangles twice as long as they are wide. Find the volume of the box if it is four feet high an

Sav [38]

Let x = the width

then

2x = the length

The box dimensions: 2x by x by 4

Given the surface area:

2(2x*x) + 2(2x*4) + 2(x*4) = 220

4x^2 + 16x + 8x = 220

A quadratic equation:

4x^2 + 24x - 220 = 0

simplify, divide by 4

x^2 + 6x - 55 = 0

Factor

(x+11)(x-5) = 0

The positive solution is what we want here:

x = 5 ft is the width

then

2(5) = 10 ft is the length

Find the volume

10 * 5 * 4 = 200 cu/ft is the volume

5 0

2 years ago

Given f(x) = x -2, if the domain is 5, find the range

Mrrafil [7]

Answer:

Step-by-step explanation:

I don't say u must have to mark my and as brainliest but if it has really helped u then plz don't forget to thank me.....

3 0

2 years ago

a broker gets rs 20000 as commission from sale of a piece of land which costs rs 8000000. Find the rate of commission.

Airida [17]

Answer:

0.25%

Step-by-step explanation:

Rate of commission

= (commission*100)/cost of land

=( 20000*100)/8000000

= 2000000/8000000

=2/8

= 0.25%

3 0

2 years ago

Each set of directions describes how to plot a point starting at the origin.

Sergio039 [100]

Answer:

right 6

down 1

(6,-1)

up 6

left 1

(-1,6)

right 1

down 6

(1,-6)

down 6

right 1

(1,-6)

left 1

up 6

(-1,6)

4 0

2 years ago

Read 2 more answers