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4 years ago

6 divided by 3 + 4* 2

Mathematics

2 answers:

nirvana33 [79]4 years ago

7 0

The answer is ten if I'm correct

kap26 [50]4 years ago

3 0

You divide 6 by 3 which is 3 than you use pendas you multiply 4 X 2 which is 8 than you add 3 + 8 that gives 11

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Gina has 440 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed are

podryga [215]

Answer:

<h3>THerefore, the area would be 12,100 square yards</h3>

Step-by-step explanation:

Let the length be x and the width be y

The perimeter of a rectangle is give as ; 2 ( L + B) , that is

We know the perimeter formula would be 440=2x+2y. And the area will be A=x*y

We can to take the derivative of the area formula to find where it is a max but we must first substitute something in from the first formula so we only have one variable.

440-2x=2y

220-x=y

A=(x)*(220-x)

A=220x-x^2

Now we take the derivative:

A'=220-2x (set equal to 0 and solve)

0=220-2x

2x=220

x=110

Then when we plug this into the perimeter formula, we can solve for y

440=2x+2y

440=2(110)+2y

440=220+2y

220=2y

y=110

So both the length and width are 110 yards, and the area would be 12,100 square yards

<h3>THerefore, the area would be 12,100 square yards</h3>

6 0

3 years ago

Which of the following equations are true? Select all that apply.

riadik2000 [5.3K]

Answer:

e because I have done it

7 0

3 years ago

A ball is thrown into the air with an upward velocity of 40 ft/s. Its height h in feet after t seconds is given by the function

goblinko [34]

Answer:

$h=25$

Step-by-step explanation:

From the question we are told that:

Velocity $v=40fts$

The height h function

$\large h=-16t^2+40t$

Generally time t is mathematically given by

$h'=-32t+40$

$-32t+40=0$

$t=\frac{40}{32}$

$t=1.25$

Therefore the ball's maximum height is given as

$\large h=-16(1.25)^2+40(1.25)$

$h=25$

4 0

3 years ago

The numbers of regular season wins for 10 football teams in a given season are given below. Determine the range, mean, variance,

galina1969 [7]

Answer:

Range = 13

Mean = 8.3

Variance = 17.61

Step-by-step explanation:

Given the population dataset :

2, 9, 15, 4, 12, 9, 13, 6, 3, 10

1.) Range : (maximum - minimum)

Maximum = 15 ; minimum = 2

Range = (15 - 2) = 13

2.) population mean (μ) :

μ = ΣX / n

n = sample size

μ = (2 + 9 + 15 + 4 + 12 + 9 + 13 + 6 + 3 + 10) / 10

μ = 83 / 10

μ = 8.3

3.) Population variance (s²)

Σ(x - μ)² / n

=[(2 - 8.3)^2 + (9 - 8.3)^2 + (15 - 8.3)^2 + (4 - 8.3)^2 + (12 - 8.3)^2 + (9 - 8.3)^2 + (13 - 8.3)^2 + (6 - 8.3)^2 + (3 - 8.3)^2 + (10 - 8.3)^2] / 10

s² = 176.1 / 10

s² = 17.61

8 0

3 years ago

Find the slope of the line passing through the points (-3,4) and (0,1)

beks73 [17]

Hi!

Step-by-step explanation:

$SLOPE=\frac{Y_2-Y_1}{X_2-X_1}=\frac{RISE}{RUN}$

$\frac{1-4}{0-(-3)}=\frac{-3}{3}=-1$

<u><em>Slope is -1.</em></u>

<u><em>Final answer is -1.</em></u>

<u><em>*The answer must have a negative sign.*</em></u>

Hope this helps!

Thanks!

Have a nice day! :)

-Charlie

4 0

3 years ago