3 years ago

1) f(x)=-4x - 2)(x + 4) Please help

Mathematics

1 answer:

noname [10]3 years ago

5 0

Answer:

I believe it is -6x-8

Step-by-step explanation:

hope this helps

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Show that 155 can be express as the sum of a power of 2 and a cube number?

son4ous [18]

$\bf \underset{155-128}{155-2^7}= 27\qquad \qquad therefore\qquad 2^7+27=155\implies 2^7+3^3=155$

3 0

3 years ago

Write the expression<br> The Sum of 6 and x Multiplied by 4

Dmitriy789 [7]

Answer:

4(6+x)

Step-by-step explanation:

4 0

3 years ago

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Plezzzzzwzzzzzzzz help

strojnjashka [21]

Answer:

$3 - a$

Step-by-step explanation:

Given that when you add two numbers together the result is 3.

The greater of the number is given as a.

Let "x" represent that lesser number.

Thus:

$a + x = 3$

To make x the subject of the formula. Subtract a from both x.

$a + x - a = 3 - a$

$x = 3 - a$

Therefore, the expression that represents the lesser number, x, is:

$3 - a$

8 0

2 years ago

Would really love some help, 20 points

Vilka [71]

Answer:

$x=23.78$ cm

Step-by-step explanation:

As this problem is involving the adjacent and hypotenuse sides, we will be using the cosine function

We can setup an equation as follows

$cos(18)=\frac{x}{25}$

We can now solve for x

$x=25cos(18)\\\\x=23.776$

This rounds to

$x=23.78$

3 0

3 years ago

From the sum of 5 – 9i and -4 + 7i, subtract 14 – 3i.

kozerog [31]

(5 - 9i) + (-4 + 71) - (14 - 3i)
1 - 2i - 14 + 3i
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The first option

7 0

3 years ago