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2 years ago

Dusty is dividing 700 pencils into groups of 25 for each classroom. How many classrooms are there?

Mathematics

2 answers:

natka813 [3]2 years ago

5 0

Answer:

Step-by-step explanation

28 times 25 is 700

DanielleElmas [232]2 years ago

5 0

Answer:

Step-by-step explanation:

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Examine the algebraic expression.

NNADVOKAT [17]

Answer:

2, 4, 6

Step-by-step explanation:

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3 years ago

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If sin theta= - 5/7, which of the following are possible?

Sphinxa [80]

Answer:

$\large\boxed{\sec\theta=\dfrac{7}{\sqrt{24}},\ and\ \tan\theta=-\dfrac{5}{\sqrt{24}}}\\\boxed{\cos\theta=\dfrac{\sqrt{24}}{7},\ and\ \tan\theta=\dfrac{5}{\sqrt{24}}}$

Step-by-step explanation:

$\text{Use:}\\\\\sin^2\theta+\cos^2\theta=1\to\cos\theta=\pm\sqrt{1-\sin^2\theta}\\\\\tan\theta=\dfrac{\sin\theta}{\cos\theta}\\\\\sec\theta=\dfrac{1}{\cos\theta}\\\\==========================\\\\\sin\theta=-\dfrac{5}{7}\\\\\cos\theta=\pm\sqrt{1-\left(-\frac{5}{7}\right)^2}=\pm\sqrt{1-\frac{25}{49}}=\pm\sqrt{\frac{24}{49}}=\pm\dfrac{\sqrt{24}}{\sqrt{49}}=\pm\dfrac{\sqrt{24}}{7}\\\\\sec\theta=\pm\dfrac{1}{\frac{\sqrt{24}}{7}}=\pm\dfrac{7}{\sqrt{24}}$

$\tan\theta=\pm\dfrac{-\frac{5}{7}}{\frac{\sqrt{24}}{7}}=\mp\dfrac{5}{7\!\!\!\!\diagup_1}\cdot\dfrac{7\!\!\!\!\diagup^1}{\sqrt{24}}=\mp\dfrac{5}{\sqrt{24}}$

$\sin\theta=-\dfrac{5}{7}$

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2 years ago

Mike made a 9-inch sub sandwich. He needs to cut it into 2/3 inch pieces. How many pieces will he be able to cut?

Igoryamba

Answer:

13 pieces

Step-by-step explanation:

Trust me.

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2 years ago

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Gamma rays have the longest wavelength on the electromagnetic spectrum.

Serhud [2]

-- False. Gamma rays have the shortest wavelengths
on the electromagnetic spectrum.

-- A disturbance that transfers energy from place to place
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3 years ago

3,200 people who owned a certain type of car,1,280 said they would buy that type of car again. What percent of the people surve

Phoenix [80]

Answer:

40%

Step-by-step explanation:

100%->3200

1%->32

1280÷32= 40 %

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2 years ago