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Roman55 [17]
3 years ago
8

An expressions is shown. what is the value of the expression? 2315.5+(-3166.75)​

Mathematics
1 answer:
Zepler [3.9K]3 years ago
7 0
Adding a negative number is the same as subtracting a positive number. So 2315.5 - 3166.75 = -851.25
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I believe it could be either B or D. 

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(b) Find the equation of the straight line which passes through 81 +88 (i) the point (3, 2) and makes an intercept on the x-axis
ad-work [718]

3x+y=0 and x+2y=7

i)

a= intercept on x axis

b= intercept on y axis

from the question

a=2b

x/2b+ y/b=1

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since it passes through the point (3,2)

then 3+4=2b

7/2=b

x+2y=7     putting the value of b

ii) given b =3a

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1 year ago
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Natasha2012 [34]

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Step-by-step explanation:

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2 years ago
Write a division problem that has a quotient of 1/20
alexdok [17]

Answer:

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cricket20 [7]

Answer:

The arc length of the semicircle is 5 \pi\ units or 15.7\ units

Step-by-step explanation:

The complete question in the attached figure

we know that

The circumference of a semicircle is given by the formula

C=\frac{1}{2}\pi D

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we have

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The arc length of the semicircle is 5 \pi\ units or 15.7\ units

6 0
3 years ago
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