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2 years ago

Manny buys four boxes of straws for his restaurant. There are 500 straws in each box. How many straws does he buy?

Mathematics

2 answers:

grigory [225]2 years ago

6 0

First you would do 500 times 4 and you would get 2,000.

Paraphin [41]2 years ago

4 0

4×500=2000 This is the answer

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Convert the rectangular coordinates (-9, 3V3) into polar form. Express the angle

Whitepunk [10]

Answer:

$(6\sqrt{3},\,\frac{5\pi}{6})$

Step-by-step explanation:

The radius r can be found from the relationship

$r^2=x^2+y^2\\r^2=(-9)^2+(3\sqrt{3})^2\\r^2=81+27=108\\r=\sqrt{108}\\r=6\sqrt{3}$

The point is in Quadrant II (-, +), so use the inverse cosine function to find the angle.

$\cos{\theta}=\frac{x}{r}=\frac{-9}{6\sqrt{3}}\\\cos{\theta}=-\frac{9}{6\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}}\\\cos{\theta}=-\frac{9\sqrt{3}}{6\cdot3}\\\cos{\theta}=-\frac{\sqrt{3}}{2}\\\\\cos^{-1}\frac{-\sqrt{3}}{2}}=\frac{5\pi}{6}$

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2 years ago

A student estimated a mass to be 250 grams but upon carefully measuring it, he found the actual mass to be 240 grams. What is th

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2 years ago

Which expression is equivalent to 6m + (m – 2)(m + 7) + 3?

LuckyWell [14K]

Hello from MrBillDoesMath!

Answer:

m^2 + 11m - 11, which is the first choice

Discussion:

6m + (m-2)(m+7) +3 =

6m + (m^2 + 7m - 2m -14) + 3 =

(6m + 7m - 2m) + m^2 + (-14 + 3) = combine similar terms

11m + m^2 -11 =

m^2 + 11m - 11

which is the first choice

Thank you,

MrB

4 0

2 years ago

Read 2 more answers

Please answer this - i'm so desperate!

Ksenya-84 [330]

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3 years ago

Write the first four terms of the sequence. rule start at 5 1/2, add 1 1/5

Hitman42 [59]

Answer:

$5\frac{1}{2},6\frac{7}{10},7\frac{9}{10},9\frac{1}{10}$

Step-by-step explanation:

The first term of the sequence is

$a_1=5\frac{1}{2}$

To find the second term add $1\frac{1}{5}$ to the first term;

$a_2=5\frac{1}{2}+1\frac{1}{5}=6\frac{7}{10}$

To find the third term add $1\frac{1}{5}$ to the second term;

$a_3=6\frac{7}{10}+1\frac{1}{5}=7\frac{9}{10}$

To find the fourth term add $1\frac{1}{5}$ to the third term;

$a_4=7\frac{9}{10}+1\frac{1}{5}=9\frac{1}{10}$

The first four terms are

$5\frac{1}{2},6\frac{7}{10},7\frac{9}{10},9\frac{1}{10}$

7 0

2 years ago