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3 years ago

1)

Mathematics

2 answers:

Fofino [41]3 years ago

8 0

The answer less then 6

allochka39001 [22]3 years ago

5 0

That answer is less than 6! :)

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Using the order of operations, simplify the following numerical expression: 2 4[5(3-1)]

DiKsa [7]

Assuming that is a 24 the answer would be 24[10] = 240 but if that is the question 2 and the number is just 4 the answer is just 40

7 0

3 years ago

A A B B C C D D Skip to navigation

nekit [7.7K]

Answer:A B C D

Step-by-step explanation:

it is A B C D

6 0

3 years ago

19. A quadratic equation is shown below.

victus00 [196]

Answer:

$\{\sqrt b, -\sqrt b\}$

Step-by-step explanation:

Given

$a^2 - b = 0$

Required

Determine the solution

Since b is a perfect square, the equation can be expressed as:

$a^2 - (\sqrt b)^2 = 0$

Apply difference of two squares:

$(a - \sqrt b)(a + \sqrt b) = 0$

Split:

$(a - \sqrt b)= 0 \ or\ (a + \sqrt b) = 0$

Remove brackets:

$a - \sqrt b= 0 \ or\ a + \sqrt b = 0$

Make a the subject in both equations

$a =\sqrt b \ or\ a =-\sqrt b$

The solution can be represented as:

$\{\sqrt b, -\sqrt b\}$

6 0

3 years ago

I need help with this

sergejj [24]

Answer:

Step-by-step explanation:

5+5+5+5

6 0

3 years ago

What is the slope of a line that is perpendicular to the line whose equation is 8y−5x=11?

ElenaW [278]

9514 1404 393

Answer:

-8/5

Step-by-step explanation:

When you solve for y, the slope of the line is the x-coefficient. For the given line, that is ...

8y = 5x +11 . . . . . add 5x

y = 5/8x +11/8 . . . . divide by 8

The given line has a slope of 5/8. The perpendicular line will have a slope that is the opposite of the reciprocal of this:

-1/(5/8) = -8/5 . . . . slope of perpendicular line

4 0

3 years ago

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