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4 years ago

226.19 divided by 2/3

Mathematics

1 answer:

Tanzania [10]4 years ago

5 0

226.19 / 2/3 =
226.19 x 3/2 =
226.19 x 1.5 =
339.285

339.285 is your answer.

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L=a+(n-1)d <br><br> solve for n

earnstyle [38]

Answer:

(L-a)/d + 1 = n

Step-by-step explanation:

Let's isolate (n-1), and after that isolate n:

1) subtract a from both sides: L - a = (n-1)d

2) Divide both sides by d: (L-a)/d = n-1

3) Add 1 to both sides, to isolate n: (L-a)/d + 1 = n

3 0

3 years ago

The length of a rectangular flower bed is 2ft longer than the width. If the area is 6ft, then what are the exact length and widt

Marizza181 [45]

Answer:

Exact dimensions:

$width=-1+\sqrt{7}$

$length=-1+\sqrt{7}+2$

$length=1+\sqrt{7}$

Approximate dimensions:

$width=1.64575ft$

$length=1.64575+2$

$length=3.64575ft$

Step-by-step explanation:

Let's assume width of rectangle is w ft

The length of a rectangular flower bed is 2ft longer than the width

so,

length =w+2

$L=w+2$

now, we can find area

$A=L\times W$

now, we can plug it

$A=(w+2)\times w$

$A=w^2+2w$

we are given area =6

so, we can set it equal

and then we can solve for w

$w^2+2w=6$

$w^2+2w-6=0$

we can use quadratic formula

$ax^2+bx+c=0$

$x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

now, we can compare and find a,b and c

a=1 , b=2 , c=-6

$w=\frac{-2\pm \sqrt{2^2-4\cdot \:1\left(-6\right)}}{2\cdot \:1}$

$w=-1+\sqrt{7},\:w=-1-\sqrt{7}$

we know that dimension can never be negative

so, we will only consider positive value

Exact dimensions:

$width=-1+\sqrt{7}$

$length=-1+\sqrt{7}+2$

$length=1+\sqrt{7}$

Approximate dimensions:

$width=1.64575ft$

$length=1.64575+2$

$length=3.64575ft$

7 0

4 years ago

Whats the volume of a cone? Lengths: 9cm, 5cm

abruzzese [7]

Answer:

B) 75π cm³

Step-by-step explanation:

The volume of a cone is given by the formula ...

V = (1/3)πr²h

Your cone has r = 5 cm and h = 9 cm. Putting these values into the formula gives ...

V = (1/3)π(5 cm)²(9 cm) = 75π cm³

3 0

3 years ago

Evaluate f(x)=6x2 – 12 when x =-3.

Darya [45]

The answer is negative-48

7 0

3 years ago

Can someone help me?

Mila [183]

Answer:

The answer is 3.

Step-by-step explanation:

I tested out different numbers in the blank spot to see what equals 1092,That's all.

3 0

4 years ago

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