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4 years ago

Divide the Polynomials

Mathematics

1 answer:

Tema [17]4 years ago

8 0

1. 2a^2+4a-5

2. 6t^3-t^2-2t-1

3. 2y^2-3y+1

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Multiply the binomials (2x+5)(x-6)

lina2011 [118]

(2x+5)(x-6)

(2x)(x)(2x)(-6)(+5)(x)(5*-6)

2x^2-12x+5x-30

(2x+5)(x-6)

Answer: (2x+5)(x-6)

7 0

3 years ago

Kate wants to buy a TV that has a price of $450. Kate decides to start saving after

shutvik [7]

Answer:

450 = (15·x) -50

Step-by-step explanation:

You know that the TV cost $450

She already have $50

you know she saves $15/month

3 0

3 years ago

Which equation when graphed has a maximum value at x = −2? A) y = −x2 − 20x − 16, B) y = −x2 − 16x − 12, C) y = −4x2 − 20x − 16,

KonstantinChe [14]

Answer:

Option D. $y=-4x^{2} -16x-12$

Step-by-step explanation:

using a graphing tool

Graph and determine the vertex in each case

we know that

If the equation has a maximum value at x=-2, then the x-coordinate of the vertex must be equal to -2 and the parabola open downward

case A) $y=-x^{2} -20x-16$

The vertex is the point $(-10,84)$

case B) $y=-x^{2} -16x-12$

The vertex is the point $(-8,52)$

case C) $y=-4x^{2} -20x-16$

The vertex is the point $(-2.5,9)$

case D) $y=-4x^{2} -16x-12$

The vertex is the point $(-2,4)$ -------> is the answer

see the attached figure

6 0

3 years ago

How can i solve this rational equation? 7х3 + 3.5х2

Slav-nsk [51]

Answer:

$28$

Step-by-step explanation:

$7 \times 3 + 3.5 \times 7$

Multiply the numbers first.

$21+7$

Add the numbers.

$=28$

7 0

3 years ago

Read 2 more answers

Solve for x i will give brainlest

liq [111]

Answer:

$\displaystyle x = 3.97$

Step-by-step explanation:

we are given a exponential equation

$\displaystyle {3}^{x} = 78$

we want to figure out x

remember that,

$\displaystyle \log_{a}( {a}^{c} ) = c$

thus

take $\log_3$ both sides:

$\displaystyle \log_{3}( {3}^{x} ) = \log_{3}(78)$

use the formula:

$\displaystyle x = \log_{3}(78)$

by using calculator

$\displaystyle x = 3.97$

7 0

3 years ago