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LenKa [72]
3 years ago
9

Using the foil method​

Mathematics
1 answer:
solmaris [256]3 years ago
4 0

Answer:

(7x-2)(3x-5)

Step-by-step explanation:

you have to break the equation into groups.

(21x²-6x)+(-35x+10)

then its easier to keep factoring it out if possible and in this case it is.

3x(7x-2) -5(7x-2)

take the 3x and -5 and combine them.

(7x-2)(3x-5)

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Which expression is NOT equivalent to 24?<br><br> 2x2x2x3<br> 2x2x6<br> 2x2x3x3<br> 2x4x3
professor190 [17]

Answer:

2x2x3x3=36...so it is not equivalent to 24

5 0
3 years ago
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25-foot wire connects the top of a utility pole to a point on the ground located 7 feet away from the base of the pole.
marta [7]

Answer:

B. 24 ft.

Step-by-step explanation:

25 would be the hypotenuse of a triangle and 7 is a leg, so

7^2 + x^2 = 25^2

49 + x^2 = 625

x^2 = 576

x = 24 ft

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3 years ago
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Point M is the midpoint of AB. What are the coordinates of B if A is (-8, 3) and if M is (-4, 2).
Sholpan [36]
The coordinates of B would be (0,1)
5 0
3 years ago
I need help so I can pass this plz ASAP
4vir4ik [10]

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-5

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3 0
4 years ago
What is the range of the cubic function f(x)=2x^3+21
boyakko [2]

ANSWER

A

( -  \infty , +  \infty )

EXPLANATION.

The given function is

f(x) = 2 {x}^{3}  + 21

Let

y= 2 {x}^{3}  + 21

Solve for x.

2 {x}^{3}  = y - 21

{x}^{3}  =  \frac{1}{2} y -  \frac{21}{2}

Take cubic root of both sides,

x = \sqrt[3]{  \frac{1}{2} y -  \frac{21}{2} }

x is defined for all real values of y.

The range refers to the values of y, for which x is defined.

Hence the range is all real numbers.

In interval notation, we write this as,

( -  \infty , +  \infty )

The correct choice is A.

6 0
3 years ago
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