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2 years ago

There are 140 students going on a class trip to the zoo. Each van can hold 8 students. How many vans will be needed?

Mathematics

1 answer:

Levart [38]2 years ago

4 0

Answer: They will need 18 vans and $1,764.00 to rent the vans out.

Step-by-step explanation:

140/8= 17.5 ( rounded 18)

So in order to fit all students, you'll need 18 vans

98.00* 8= 1,764

So the amount of money you'll need is $1,764.00

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ABC and DEF are complementary angels. 73, What is the measurement of x?

Olegator [25]

Assuming x is the missing angle, and knowing that complimentary means 90, subtract 90-73 to get 17.

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2 years ago

Verify which of the following are identities.

-Dominant- [34]

Answer:

Only the second equation is an identity

Step-by-step explanation:

$8 \frac{\tan^2(\theta)}{\sec(\theta)} \csc^2(\theta)=8 \csc(\theta)$

Note that

$\tan^2(\theta)\csc^2(\theta)=\sec^2(\theta)$

You can confirm it:

$\frac{\sin^2(\theta)}{\cos^2(\theta)}\cdot \frac{1}{\sin^2(\theta)}= \frac{1}{cos^2(\theta)}= \sec^2(\theta)$

Therefore

$8 \frac{\sec^2(\theta)}{\sec(\theta)} =8 \csc(\theta)$

$8 \frac{\sec(\theta)}{1} =8 \csc(\theta)$

$8\sec(\theta)=8\csc(\theta)$

<h2>It is not an Identity</h2>

Let's the second one

$13 \frac{\tan^2(\theta)}{\sec(\theta)} \csc^2(\theta)=13\sec(\theta)$

In this case, we already performed the calculations, so it is true. It is an Identity.

3 0

2 years ago

Identify the variable(s) in the expression below. 5 + 12w

tatiyna

Answer:

w is the variable

Step-by-step explanation:

the letters you see next to the numbers the variable.

8 0

1 year ago

What is u decreased by 17

blagie [28]

U decreased by 17 is u-17.
if you decrease a number from something, you use subtraction.

therefore, u decreased by 17 is u-17

4 0

2 years ago

Heellllppppppppppppppp

Korolek [52]

Answer:

106

Step-by-step explanation:

angle c = 180-74 = 106

8 0

1 year ago

Read 2 more answers