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4 years ago

I need help on this the answer needs to be in y=mx+b format and or y=mx-b

Mathematics

2 answers:

statuscvo [17]4 years ago

6 0

Y= Mx+b that the format

marin [14]4 years ago

4 0

Answer:

y=mx+b

Step-by-step explanation:

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350kg of plastic is moulded to make garden pots weighing 1 whole 2/5 kg each. How many pots are made?

slega [8]

The number of pots made are 250

The number of pots that can be made can be determined by dividing the total weight of the plastic by the weight of pots made

Number of pots made = Weight of plastic / weight of pot made

350 ÷ $1\frac{2}{5}$

Convert the mixed fraction to an improper fraction

350 ÷ $\frac{7}{5}$

350 x $\frac{5}{7}$ = 250 pots

A similar question was solved here: brainly.com/question/13939628?referrer=searchResults

4 0

3 years ago

Sample of 3 items is selected at random from a box containing 20 items of which 4 aredefective. find the expected number of defe

azamat

That's 54 I think. 20x3=60-4=54

6 0

4 years ago

PLEASE HURRY write the equation of the inverse function y=1/2cos^-1(pix)-3

GaryK [48]

Answer:

$f^{-1}(x) = \frac{cos(2x+6)}{\pi }$

Step-by-step explanation:

$y = \frac{1}{2} cos^{-1} (\pi x)-3$

Firstly, we've to interchange the variables.

$x = \frac{1}{2} cos^{-1}(\pi y)-3$

Solving for y

$x = \frac{cos^{-1} \pi y}{2} -3$

Adding 3 to both sides

$x+3 = \frac{cos^{-1}(\pi y)}{2}$

Multiplying 2 to both sides

$2(x+3) = cos^{-1} (\pi y)\\2x+6 = cos^{-1} (\pi y)$

Taking cosine on both sides

$\pi y = cos (2x+6)$

Dividing both sides by y

$y = \frac{cos(2x+6)}{\pi }$

Replace y by $f^{-1}(x)$

=> $f^{-1}(x) = \frac{cos(2x+6)}{\pi }$

4 0

3 years ago

Read 2 more answers

Whats 42 hundredths as a decimal ?

Natali5045456 [20]

42 hundredths as a decimal is 0.42

3 0

4 years ago

Read 2 more answers

Which of the following choices lists the values of the side lengths of a triangle with 45-45-90 degree angles and a hypotenuse =

Gnoma [55]

Answer:

<u>The correct answer is D. 12√2, 12√2, 24.</u>

Step-by-step explanation:

Let's recall that a property of the right triangles 45 - 45 - 90 is that the lengths of the sides of this type of triangles are in the ratio 1 : 1: √2.

Thus, if the hypotenuse is 24 units, the length of the legs is 12√2. We calculated it this way:

24/√2 = x/1

x√2 = 24

x = 24/√2

x = (24 * √2) / (√2 * √2) (For not having a square root in the denominator)

x = 24√2/2

x = 12√2 (Most simplified expression)

<u>The correct answer is D. 12√2, 12√2, 24.</u>

5 0

3 years ago