2 years ago

What is the sum of -4r +1 and 6x - 5 ?

Mathematics

1 answer:

Margarita [4]2 years ago

8 0

There is no answer bc they are expressions

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CAN SOMEBODY HELP ME WITH THESE QUESTION 4 AND 5 PLZZZZZZZZ I NEED YOU HELP I WILL GIVE BRAINLY BUT PLZZZZZ ANSWER THE QUESTIONS

frozen [14]

Answer:

Step-by-step explanation:

welp since there is no question at least i gets free points

3 0

2 years ago

Consider 8x2 - 48x = -104.

ki77a [65]

Answer:

$3+ 2\mathbf{i}$

$3- 2\mathbf{i}$

Step-by-step explanation:

<u>Quadratic Equation Solving</u>

We have the equation:

$8x^2-48x=-104$

Divide by 8:

$x^2-6x=-13$

Now complete the squares so the left side is a perfect square of a binomial:

$x^2-6x+9=-13+9=-4$

Factoring the perfect square:

$(x-3)^2=-4$

Taking the square root:

$x-3=\sqrt{-4}$

The square root of a negative number is an imaginary number:

$x-3=\pm 2\mathbf{i}$

Solving for x:

$x=3\pm 2\mathbf{i}$

The solutions are:

$3+ 2\mathbf{i}$

$3- 2\mathbf{i}$

7 0

2 years ago

A bag contains 5 blue, 3 red, 6 green, 9 orange, and 20 black marbles. What is the ratio of the number of blue marbles to the nu

barxatty [35]

Answer:

Step-by-step explanation:

blue+green=15

blue is 5

5 to 15

4 0

2 years ago

Read 2 more answers

HELP pleasee and ty to whoever does!!

Margaret [11]

Answers:
26) 50 percent chance
27) 25 percent chance
28) About 25 times
29) About 20 times

6 0

3 years ago

3 . Which list of numbers is ordered from least to

mihalych1998 [28]

Answer:

it’s C. 0.02,0.2.1/2, 2 1/2

6 0

3 years ago