3 years ago

Please help me with this i don’t understand

Mathematics

1 answer:

nevsk [136]3 years ago

4 0

Answer:

20.12 ft

Step-by-step explanation:

if you take 6^2 and subtract that from 21^2 then you will get your answer after finding the square root of the answer that the calculator gives you.

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Given two functions f(x)=2x+4 and g(x)=−1/5x−3 , what is the function rule for (f+g)(x) ?

Angelina_Jolie [31]

The definition is pretty simple:

$(f+g)(x) = f(x)+g(x)$

So, we only have to sum the expressions:

$f(x)+g(x) = 2x+4 - \dfrac{1}{5}x-3 = \dfrac{9}{5}x+1$

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3 years ago

Simplify the expression (7+5)+4•13-2

Yakvenalex [24]

Pemdas

Parentheses exponents multiplication divide add subtract (7+5)=12

12+4•13-2 4•13= 52

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64-2

The answer is 62

7 0

2 years ago

Read 2 more answers

Subtract.

jeka94

(x+1)-(-2x-5)
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3 years ago

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If f(x) =2x and g(x) = cos(x) then g(f(π/2)) = ?<br> Number 2 in picture

Romashka [77]

Answer:

(4) -1.

Step-by-step explanation:

First evaluate f(π/2) which is 2 * π/2 = π.

So g(f(π/2)) = g(π)

= cos π

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6 0

3 years ago

Please help solve for angles Q X and Z

Iteru [2.4K]

Answer:

125

Step-by-step explanation:

Sum of Exterior Angles must add to 360 so

$60 + 70 + 40 + 65 + x = 360$

$235 + x = 360$

$x = 125$

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3 years ago