I need help with these could you guys help me?

Answers

Answer 1

Answer: The first one simplifies by collecting like terms to become:
7a²(4b²+9ab+10)
and the second one simplifies again by collecting like terms to become:
7u(16u²-49v²)
Got anymore questions, happy to help :)

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Square root of 7x plus the square root of 28x

Answers

$√(7x) + √(28x) \n√(7x) + √(4 * 7x) \n√(7x) + √(4)√(7x) \n√(7x) + 2√(7x) \n3√(7x)$

Given the following functions, find g(f(x)). f(x) = 2x + 1 g(x) = x2 + 6

Answers

Answer:

Step-by-step explanation:

g(x) = x^2 + 6

f(x^2 + 6) = 2(x^2 + 6) + 1 = 2x^2 + 12 + 1 = 2x^2 + 13

N2 = 39

HELP YALL ILL GIVE BRAINLY

Answers

Answer: 78

Step-by-step explanation: multiply 39 by 2

The answer to this question is 78

Find the gradient of the line segment between the points (-2,3) and (-4,-2).Give your answer in its simplest form.

Answers

Given:

The two points are (-2,3) and (-4,-2).

To find:

The gradient of the line segment between the given points.

Solution:

The gradient is also known as slope.

The slope formula:

$m=(y_2-y_1)/(x_2-x_1)$

The endpoints of the line segment are (-2,3) and (-4,-2). So, the gradient of the line is

$m=(-2-3)/(-4-(-2))$

$m=(-5)/(-4+2)$

$m=(-5)/(-2)$

$m=(5)/(2)$

Therefore, the gradient of the given line segment is $m=(5)/(2)$ .

The graph below shows the solution to which system of inequalities

Answers

Answer:

Option A is the answer

Step-by-step explanation:

In the figure attache a solid straight line has been drawn at y = 2 and the area above this line will be represented by y ≥ 2

Similarly area below the dotted line will be y < x

Now area which is common to both is colored area in blue.

So, the system of equations will be y ≥ 2 and y < x

Option A. is the answer.

Answer:

Step-by-step explanation:

How many gallons are in 161.25 sq ft

Answers

There are none. "Square foot" is a unit of area, not volume.
Square feet are flat, and can't hold water.

If you meant to ask about 161.25 CUBIC feet, I can help you there:

(161.25 ft³) x (1,728 in³/ft³) x (1 gallon/231 in³) = 1,206.234 gallons (rounded)

i got 1206.23cubic feet when i tryed this problem hope this helped

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