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Gennadij [26K]
3 years ago
8

Use the picture to answer. Which real number is not both a whole number and an integer? A. 423 B. 259 C. –156D. 0

Mathematics
1 answer:
Semmy [17]3 years ago
8 0
Um A :)
hope this helps :)))))))))))))

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1/4x +4 = 1/2 solve with explanation
IRINA_888 [86]

Answer:

<h3>x = -14</h3>

Step-by-step explanation:

Given the equation

1/4x +4 = 1/2

Solving for x

Subtract 4 from both sides

1/4x +4 - 4 = 1/2 - 4

1/4 x  = (1-8)/2

1/4 x = -7/2

Cross multiply

2x = -7*4

2x = -28

x = -28/2

x = -14

Hence the value of x is -14

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3 years ago
How is the volume of a prism calculated?
s344n2d4d5 [400]

Answer:

The volume of a prism is calculated by - Multiplying the area of the base by the height.

My answer might not be correct, but at least I tried

Step-by-step explanation:

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2 years ago
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Radda [10]

Answer:

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Step-by-step explanation:

y=13-2x^2

y=x+7

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3 years ago
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How many ways are there to choose a committee of 3 people from a group of 5 people? A. 10 B. 12 C. 60 D. 70
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Prove the identity.<br>cosx sin (x+y) - sinx cos(x+y) = siny​
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Answer:

In the explanation

Step-by-step explanation:

Going to start with the sum identities

sin(x+y)=sin(x)cos(y)+sin(y)cos(x)

cos(x+y)=cos(x)cos(y)-sin(x)sin(y)

sin(x)cos(x+y)=sin(x)cos(x)cos(y)-sin(x)sin(x)sin(y)

cos(x)sin(x+y)=cos(x)sin(x)cos(y)+cos(x)sin(y)cos(x)

Now we are going to take the line there and subtract the line before it from it.

I do also notice that column 1 have cos(y)cos(x)sin(x) in common while column 2 has sin(y) in common.

cos(x)sin(x+y)-sin(x)cos(x+y)

=0+sin(y)[cos^2(x)+sin^2(x)]

=sin(y)(1)

=sin(y)

6 0
3 years ago
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