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4 years ago

I don’t understand, please someone help me!!!!

Mathematics

1 answer:

pogonyaev4 years ago

7 0

Answer:

Step-by-step explanation:

im sorry but i dont now

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If the function f(x) = 4x^2 - x + 3, evaluate f(-2)

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Answer: 21

Step-by-step explanation: f(-2) = 4· (-2)²-(-2) + 3 = 4·4 +2 +3

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3 years ago

Brainlest for whoever gets it right<br><br> 3/4 - 1 and 1/2

kramer

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-0.75

Step-by-step explanation:

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3 years ago

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Write a word phrase that describes the algebraic expression 12m + 3.4 = 9

katrin [286]

Answer:

Lola has 12 times m total cakes. Adrian has 3 and a quarter left of cake. If they add theirs together they get 9. What is the value of m?

Step-by-step explanation:

Lola has 12 times m total cakes. Adrian has 3 and a quarter left of cake. If they add theirs together they get 9. What is the value of m?

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3 years ago

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If one-third of a number, x, is greater than five less than twice the number, which of the following is true?

Delvig [45]

Answer:

Im not sure what the answer is

Step-by-step explanation:

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3 years ago

What is the 32nd term of the arithmetic sequence where a1 = −34 and a9 = −122? (1 point)

Ugo [173]

Answer:

The 32nd term of the arithmetic sequence is -386.

Step-by-step explanation:

Given: The arithmetic sequence where $a_1=-34$ and $a_9=-122$

We have to find the 32nd term of the arithmetic sequence.

Consider the given sequence with $a_1=-34$ and $a_9=-122$

We know , For a given sequence in an Arithmetic sequence with first term $a_1$ and common difference d , we have,

$a_n=a_1+(n-1)d$

We first find the common difference "d".

$a_9=-122$

$a_9=a_1+(9-1)d$

$a_1=-34$ , we have,

$-122=-34+8d$

Solve for d , we have,

-88= 8d

d = - 11

Thus, 32nd term is $a_{32}=a_1+(32-1)d$

$a_{32}=-34+32\cdot (-11)$

$a_{32}=-386$

Thus, The 32nd term of the arithmetic sequence is -386.

4 0

3 years ago