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3 years ago

What is the perimeter of triangle OJL

Mathematics

1 answer:

juin [17]3 years ago

3 0

Answer:

infinity.............

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Caryn threw a ball 34.6 m. George threw a ball 34.62 m. Who threw the ball farther?

Charra [1.4K]

George threw the ball farther

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3 years ago

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Sarah sold her stock for $56.25 A share, which reflected a ROI of 7.7%. What was the original price of her stock?

V125BC [204]

Her's stock original price was approximately $52.23 a share.

ROI is found by dividing the gain from the investment minus the cost of the investment by the cost of the investment: ROI = $\frac{gain-cost}{cost}$
We know the ROI (7.7%, or 0.077) and the gain ($56.25).

0.077= $\frac{56.25-cost}{cost}$ ⇔ 0.077= $\frac{56.25}{cost}-\frac{cost}{cost}$ ⇔ 0.077= $\frac{56.25}{cost}-1$ ⇔ 1.077= $\frac{56.25}{cost}$ ⇔ cost= $\frac{56.25}{1.077}$ ⇔ cost≈52.23

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4 years ago

Write forty-seven thousandths in standard form.

AnnZ [28]

Answer:

47000 is the answer

Step-by-step explanation:

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3 years ago

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A rectangular garden must have a perimeter of 145 feet and an area of at least 1100 square feet. Describe the possible lengths o

marta [7]

Answer:

The approximate length of the garden is at least 22 feet and at most 51 feet.

Step-by-step explanation:

A rectangular garden must have a perimeter of 145 feet.

Let x feet be the lengths of the garden. Then the width of the garden can be found using the perimeter:

$P=2(\text{Length}+\text{Width})\\ \\145=2(x+\text{Width})\\ \\\text{Width}=72.5-x$

The area of the garden is

$A=\text{Length}\cdot \text{Width}\\ \\A=x\cdot (72.5-x)$

The area must be at least 1,100 square feet, then

$x(72.5-x)\ge 1,110\\ \\72.5x-x^2-1,100\ge 0\\ \\x^2-72.5x+1,100\le 0$

Solve this quadratic inequality:

$D=(-72.5)^2-4\cdot 1,100=856.25\\ \\\sqrt{D}=25\sqrt{1.37}\\ \\x_1=\dfrac{72.5-25\sqrt{1.37}}{2}\approx 22\\ \\x_2=\dfrac{72.5+25\sqrt{1.37}}{2}\approx 51\\ \\(x-22)(x-51)\le 0\\ \\x\in [22,51]$

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3 years ago

Write in algebraic form: “the sum of s and the square root of f”

Irina-Kira [14]

Answer:

s+ $\sqrt{f}$

Step-by-step explanation:

Sum means plus, so s plus the square root of f. The sign for square root is $\sqrt{}$ , so s+ $\sqrt{f}$ is the correct answer.

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3 years ago