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zhuklara [117]
3 years ago
12

Name the property or properties illustrated by the statement if x+5=3 and 3=y, then x+5=y

Mathematics
1 answer:
oee [108]3 years ago
3 0
It is substitution. Because you are substituting 3=y into x+5=3
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Let ƒ(x) = x2 + 2x and g(x) = 2x. Evaluate the composition (ƒ ∘ g)(2).
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Answer:

Step-by-step explanation:

g(2) = 2(2)= 4

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3 years ago
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Mr. Jones wants to place a chimney on his roof. It is recommended that the chimney be set at a height of at least 30 feet. The h
Tom [10]

Absolute value of any number is always positive because it represent distance and distance will always positive.

To place chimney at  least 30 feet , the distance along the width of the roof  (x) will be  x = 17.5 feet or x = 2.5 feet.

Since, The height of the roof is described by the function f(x)=−4/3|x−10| + 40

Since, minimum height is 30 feet.

So , substitute f(x)=30 in above expression.

                 30=−4/3|x−10| + 40

                   4/3|x−10| = 10

                      |x−10|=30/4

                      |x−10| = 7.5

Taking positive case,

                           x−10 = 7.5

                           x = 17.5 feet

Taking negative case,

                          x−10 = - 7.5

                          x = 10 - 7.5

                          x = 2.5 feet

Learn more:

brainly.com/question/14473339

7 0
2 years ago
I’ll give Brainlest<br><br> m m m
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Answer:

steps below

Step-by-step explanation:

arc QR = 2x57 - 41 = 73

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m∠S = (109+73) / 2 = 91°

check: ∠R+∠p = 123+57 = 180

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3 0
3 years ago
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yuradex [85]

Answer:

76/100 = 19/25

5 0
3 years ago
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Any face that is not a base​
Ann [662]

Answer:

In Mathematics Geometry,<em> lateral face</em> is said be the side of a 3D-figure in that is not a base.

Please check the attached figure to visual the concept.

Step-by-step explanation:

In Mathematics Geometry,<em> lateral face</em> is said be the side of a 3D-figure in that is not a base.

The faces in in a prism or pyramid which are not bases are basically the lateral faces.

For example, the lateral faces are basically parallelograms in Triangular prism which are not the bases.

Please check the attached figure to visual the concept.

7 0
3 years ago
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