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3 years ago

15

A school is going on a field trip. There are 4 buses with 36 students on each bus and 3 buses with 42 students on each bus. How

many students are going on a field trip?

1 answer:

Feliz [49]3 years ago

4 0

Answer:

270 are going on the trip

Step-by-step explanation:

4 times 36 is 144

3 times 42 is 126

126+144=270

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In the drawing below, find x if ABCD is a square and angle B= 4x + 10.

iragen [17]

Answer:

x=20

Step-by-step explanation:

4x +10 = 90

-10 from both sides

that gives you 4x=80

80 divided by 4 gives you 20=x

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3 years ago

What is two fifths plus one fourth plus one tenth

drek231 [11]

Answer:

3/4

Step-by-step explanation:

2/5+1/4+1/10=8/20+5/20+2/20=（8+5+2）/20=15/20=3/4

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3 years ago

if one card is drawn from a standard 52 card playing deck, determine the probability of getting a ten, a king or a diamond.

IceJOKER [234]

To find the answer:

The probability of getting a ten:

=4/52

The probability of getting a king:

=4/52

The probability of getting a diamond:

=52×1/4
=13/52

However,there would be king and ten of diamond which overlapped and therefore -2/52 would be in the equation.

We can then sum up to find the equation:

=4/52+4/52+13/52-2/52
=21/52-2/52
=19/52

Therefore the answer is 19/52.

Hope it helps!

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3 years ago

What basic trigonometric identity would you use to verify that sinx cosx tanx=1-cos^2x

andre [41]

Answer:

$sin^2x+cos^2x=1$ is used to prove the given equation.

Step-by-step explanation:

We have given an equation:

$sinx\cdot cosx\cdot tanx=1-cos^2x$

We will consider right hand side first

tan x can be written as:

$tanx=\frac{sinx}{cosx}$

So, on substituting tan x in the left hand side of the given equation we get:

$sinx\cdot cosx\cdot \frac{sinx}{cosx}$

Cancel common term from denominator and numerator which is cosx we get

$sin^2x$

And we have an identity:

$sin^2x+cos^2x=1$

$\Rightarrow sin^2x=1-cos^2x$

Hence, right hand side is equal to $sin^2x$ .

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3 years ago

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Pls help with this question.....i will give the brainliest 500 points

masha68 [24]

Answer:

132

Step-by-step explanation:

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3 years ago

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