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3 years ago

Which statement is true about <CPB?

Mathematics

2 answers:

SVETLANKA909090 [29]3 years ago

6 0

The answer is C hope this helps

nasty-shy [4]3 years ago

3 0

Answer:

The correct statement is

∠CPB is supplementary to ∠APC

Step-by-step explanation:

Given the figure in which angles are given we have to choose the correct statement.

we have to choose the correct statement about ∠CPB

The angles ∠CPB and ∠APC are formed on the straight line they form a linear pair therefore the sum of these two angles equals to 180°

The two angles whose sum equals to 180° are known as supplementary angles.

Hence, we say that ∠CPB is supplementary to ∠APC

Option A is correct statement.

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Ralph is 3 times as old as Sara. In 4 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now.

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3 years ago

Subtract polynomials (intro)

ELEN [110]

Answer:

The result in standard form is:

$\left(-5t+4t^2-t\right)-\left(8t^2+t\right)=-4t^2-7t$

Step-by-step explanation:

Given the polynomials

-5t+ 4t² – t

8t² + t

subtracting 8t² + t from -5t+ 4t² – t.

$\left(-5t+\:4t^2\:-\:t\right)\:-\:\left(8t^2\:+\:t\right)$

Remove parenthese: (-a) = -a

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so the expression becomes

$=-5t+4t^2-t-8t^2-t$

grouping the like terms

$=4t^2-8t^2-5t-t-t$

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$=-4t^2-5t-t-t$

Add similar elements: -5t - t - t = -7t

$=-4t^2-7t$

Therefore, the result in standard form is:

$\left(-5t+4t^2-t\right)-\left(8t^2+t\right)=-4t^2-7t$

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3 years ago

By the square property, if b is a real number , and a2=b, then a=

Serggg [28]

Answer:

$a=\sqrt{6},\:a=-\sqrt{6}$

Step-by-step explanation:

Given

b is a real number

$a^2=b$

$\mathrm{For\:}x^2=f\left(a\right)\mathrm{\:the\:solutions\:are\:}x=\sqrt{f\left(a\right)},\:\:-\sqrt{f\left(a\right)}$

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$a=\sqrt{b},\:a=-\sqrt{b}$

Therefore,

$a=\sqrt{6},\:a=-\sqrt{6}$

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3 years ago

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umka2103 [35]

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Hope this helps!

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Leona [35]

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Step-by-step explanation:

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