3 years ago

PLEASE SOMEONE HELP ME WITH #2

Mathematics

1 answer:

Bogdan [553]3 years ago

4 0

equation : c=£1.25 for example to find out 3 cans : 3c= £1.25x3

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Big Nicks moving company unloaded 72 % of the 300 boxes they delivered in 30 minutes. How many boxes did they unload each minute

jeka57 [31]

72 % of 300 is 216

Divide 216 ( # of boxes unloaded ) by 30 (minutes they were unloading)
216 / 30 = 7.2

They unloaded 7.2 boxes each minute.

**DOUBLE CHECK:
Multiply 7.2 by 30
7.2*30 = 216

Answer : 7.2 boxes/minute

4 0

3 years ago

How do you write 3.5 as a mixed number in simplest form

Airida [17]

3.5 = 7/2 = 3 1/2

y ou a r e w e l c o m e

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3 years ago

Read 2 more answers

3x +y = -2x+8

soldier1979 [14.2K]

Answer: c) -4

Step-by-step explanation:

Get the variables on one side of 3x+y=-2x+8 and the constants on another side:

3x+y=-2x+8

(3x+y)+2x=(-2x+8)+2x

5x+y=8

Now, multiply 5x+y=8 by -2:

-2(5x+y=8)

-10x-2y=-16

Add this equation to -3x+2y=-10:

(-10x-2y=-16)+(-3x+2y=-10)

-13x=-26

x=2

Plug x=2 into -3x+2y=-10:

-3(2)+2y=-10

-6+2y=-10

2y=-4

y=-2

Therefore, (2, -2) is the solution to the system of equations, so xy=(2)(-2)=-4

5 0

3 years ago

A town with a population of 5,000 grows 3% per year. Find the population at the end of two years using the Growth and Decay meth

jenyasd209 [6]

The population would be 5300 at the end of two years because 3% of 5000 is 150 so 150x2=300. 5000+300=5300

6 0

3 years ago

Read 2 more answers

SAT math scores have a bell-shaped distribution with a mean of 515 and a standard deviation of 114.

nadezda [96]

Hey there mate :)

Analysis :

$401 = 515 - 114 = u - 6$

And

$173 = 515 - 3.114 = u - 36$

$= \frac{p(u - 36 < u < u + 36) - p(u - 6 < u < u + 6)}{2}$

$= \frac{99.73percent - 68.21percent}{2}$

$= \frac{31.46percent}{2}$

$= {15.73percent}$

Then, calculating,

$u - 26 = 515 - 2 \times 114 = 287$

And

$u + 26 = 515 + 2 \times 114 = 743$

Then,

$The \: Range = (287,743)$

Final Answers :-

15.73 %

(287,743)

~Benjemin360

3 0

3 years ago