3 years ago

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Mathematics

1 answer:

zavuch27 [327]3 years ago

7 0

C)3 is the answer :) !

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In ΔEFG, f = 86 inches, e = 64 inches and ∠E=32°. Find all possible values of ∠F, to the nearest degree.

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Answer: 45 ∘ and 135 ∘

Step-by-step explanation:

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3 years ago

Explain how to change a negative exponent to a positive one

VikaD [51]

Answer:

Step-by-step explanation:

Negative exponents in the numerator get moved to the denominator and become positive exponents. Negative exponents in the denominator get moved to the numerator and become positive exponents.

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How do you solve the division problem 456÷5?

stiv31 [10]

To find the exact value using trigonometric identities
Exact form 456 divide a by 5
Decimal form 91.2
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3 years ago

Brainliest? :(

Svetlanka [38]

Answer:

$(f\cdot g)(x)=2x^2+10x+12$

$(f-g)(x)=-x-1$

$(f+g)(1)=10$

Step-by-step explanation:

$\tt f(x)=x+3$

$\tt g(x)=2x+4$

$(f\cdot g)(x)=f(x)\cdot g(x)=(x+3)(2x+4)=2x^2+4x+6x+12$

$=2x^2+10x+12$

$(f-g)(x)=f(x)-g(x)=x+3-(2x+4)=x+3-2x-4$

$=-x-1$

$(f+g)(1)=f(1)+g(1)=1+3+2(1)+4$

$=4+2+4=10$

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2 years ago

If f(x) = 3x^2 + 1 and g(x) = 1 – x, what is the value of (f – g)(2)?

ziro4ka [17]

F - g(2) = 3x^2 + 1 - ( 1 - x )
= 3x^2 + 1 - 1 + x
= 3x^2 + x
= 3(2)^2 + 2
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the answer is B.14

i am a mathematics teacher. if anything to ask please pm me

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3 years ago