3 years ago

The coefficients of the expression 3x^4-6x^3+x^2 are ____.

Mathematics

1 answer:

Effectus [21]3 years ago

3 0

its a numerical or constant quantity placed before and multiplying the variable in an algebraic expression

so 3,6,1

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Evaluate |6(-7)-4| - |-4|·|7| + 8(3)

Margaret [11]

$|6( - 7) - 4| - | - 4| \times |7| + 8(3)$
$|168| - | - 4| \times |7| + 24$
$168 - 4 \times 7 + 24$
PEMDAS
$168 - 28 + 24$
$168 - 52$
$116$

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2 years ago

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If (1)=0, what are all the roots of the function f(x)=x3+3x2-x-3?use the remainder theorem

Anon25 [30]

If $f(1)=0$ , then by the remainder theorem $\dfrac{f(x)}{x-1}$ has a remainder of 0, which means $f(x)$ is divisible by $x-1$ . In fact,

$x^3+3x^2-x-3=x^2(x+3)-(x+3)=(x^2-1)(x+3)=(x-1)(x+1)(x+3)$

So we know 1 is a root, and the other two roots are -1 and -3.

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3 years ago

Answer correctly for a brainliest I promise

alexandr1967 [171]

You just need to add all of the numbers, and you will find that there were 200 people accounted for in the chart. 78 of 200 is 39%

8 0

3 years ago

A number that is 42% less than c.

faust18 [17]

Answer:

.58c

Step-by-step explanation:

Find 42% of c

.42c

Then subtract that from c

c - .42c

.58c

.58c is 42% less than c

7 0

3 years ago

Q is directly proportional to r. Q is 76 when r is 20. Work out q when r is 45

r-ruslan [8.4K]

Answer:

171

Step-by-step explanation:

Q~r

find k (k is the constant)

Q=kr

76=k×20

76=20k divide 20 on both sides giving you

k=3.8

then Q=k×r

Q=3.8×45

Q=171

3 0

3 years ago