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eduard
4 years ago
5

Which expression has a value of 1?

Mathematics
1 answer:
kobusy [5.1K]4 years ago
6 0
The answer is B; 2/3 x 3/2
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If f(x)=4x^3 - 6x^2 + 2x - 5, then f(-2) = ___________
Art [367]

f(x)=4x^3 - 6x^2 + 2x - 5

f(-2)


Replace X with -2:

4(-2)^3 - 6(-2)^2 + 2(-2) - 5 =

Calulate the powers:

4(-8) - 6(4) +(-4) -5=

Multiply:

-32 - 24 -4 -5=

Subtract

-65



7 0
4 years ago
Please help i will give brainliest
inysia [295]

Answer:

Step-by-step explanation:

Take the area of the yard and subtract from it the area of the pool.  In quadratic form, the area of the pool is

2x^2-x-28

Subtracting the area of the pool from the area of the yard:

3x^2-14x-5-(2x^2-x-28)

Since the negative in front of the parenthesis will change the signs inside:

3x^2-14x-5-2x^2+x+28

Combine like terms to get the area left after the pool goes in:

x^2-13x+23

8 0
4 years ago
Okay HELP i have to questions in one problem.
tangare [24]

Answer:

1) To calculate length of fringe, we need to find the perimeter

The question does not clearly say how much is length and width

Assuming length = 245 and width = 234 inches

P = 2(length + width)

P = 2 ( 245 + 234)

P = 2 (479)

P = 958 inches

2) To calculate length of fringe, when length is increased by 33 inches

P = 2 ( l + w)

P = 2 (278 + 234)

P = 2 x 512

P = 1024 inches

7 0
4 years ago
For problem below, make use of the equation of motion of a vertically projected object: 20012 gtv t s  , where sis the heigh
faltersainse [42]

Answer:

s=-4.905*t^{2} +20*t+120

The equation corresponds to a quadratic function.

Step-by-step explanation:

Given

s=-\frac{1}{2} gt^{2} +v_{0} t+s_{0}

where

g=9.81\frac{m}{s^{2} }\\  v_{0}=20\frac{ft}{s}  \\ s_{0} =120 ft

the function that describes the height of Joan’s basketball is

s=-\frac{1}{2} (9.81\frac{m}{s^{2} })t^{2} +20\frac{ft}{s}*t+120 ft\\ s=-4.905*t^{2} +20*t+120

The equation corresponds to a quadratic function.

5 0
3 years ago
What is the y-intercept of the quadratic function: f(x)=(4x-3) (2x-1)
mariarad [96]

Answer:hahahhahsvdbcnxhbxbebdhsgdbxhxhhd

Step-by-step explanation:

3 0
3 years ago
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