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3 years ago

-6 divided by ( - 2/3) times (-5)

Mathematics

2 answers:

tatuchka [14]3 years ago

7 0

<h3><em><u>Answer:-6 divided by ( - 2/3) times(-5)</u></em></h3>

<h3>Step-by-step explanation:-<em><u>45 </u></em></h3><h3><em><u /></em></h3><h3> Negative Six divided by negative two thirds times negative five equals -45 ... O_O</h3>

musickatia [10]3 years ago

7 0

Exact form :
9/5

decimal form:
1.8

mixed number form:
1 4/5

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A publishing industry report predicts that magazine subscriptions will drop

Mrrafil [7]

Answer:

24,393 subscribers

Step-by-step explanation:

This is <u>exponential decay</u> problem. The formula for exponential decay is:

$F=P(1-r)^t$

Where

F is the future value (what we are looking for, in 7 years)

P is the present amount (that is 51,000)

r is the rate of decrease per year (r = 10% = 10/100 = 0.1)

t is the time, in years (t = 7)

Now substituting, we get:

$F=P(1-r)^t\\F=51,000(1-0.1)^7\\F=51,000(0.9)^7\\F=24,393.14$

Rounding to nearest whole number,

Number of subscribers after 7 years = 24,393 subscribers

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3 years ago

Is (4,-1) a solution to the inequality 3x – 2y > -6?

USPshnik [31]

Answer: i hope you do great! grades don’t define you :)

Step-by-step explanation:

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3 years ago

Make x the subject of the formula <br> 1/x - 3/a = 5/b

masha68 [24]

X = (zy)/(5y+3z)

Hope this helps

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3 years ago

A swimming pool 20 m long and 10 m wide is surrounded by a deck of uniform width. The total area of the swimming pool and the d

Anna007 [38]

$S = 704 \ m^2 \\width \ of \ the \ deck - x \\ \\S=a \cdot b \\ \\ (10+2x)(20+2x) = 704 \\ \\ 200+20x +40x+4x^2-704 =0\\ \\4x^2 +60x -504=0\ \ /:4$

$x^2+15x -126=0\\ \\a=1, \ b=15 , \ c= - 126 \\ \\\Delta =b^2-4ac = 15^2 -4\cdot1\cdot (-126) = 225 +504=729 \\ \\x_{1}=\frac{-b-\sqrt{\Delta} }{2a}=\frac{-15-\sqrt{729}}{2 }=\frac{ -15-27}{2}=\frac{-42}{2}=-21 \ can \ not\ be \ negative \\ \\x_{2}=\frac{-b+\sqrt{\Delta} }{2a}=\frac{-15+\sqrt{729}}{2 }=\frac{ -15+27}{2}= 6 \ m \\ \\ Answer : \ waist \ width \ is \ 6 \ m$

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3 years ago

Read 2 more answers

A food packet is dropped from a helicopter and is modeled by the function f(x) = -12x2 + 19200. The graph below shows the height

levacccp [35]

<span> For this case we have the following function:
</span> $f(x) = -12x^2 + 19200
$
<span> When the food package is on the plane, we have that the height of the package is given by:
</span> $f (0) = -12 (0) ^ 2 + 19200 
$
<span> Rewriting we have:
</span> $f (0) = 0 + 19200 

f (0) = 19200$ <span>
When, time passes, the height decreases.
When the time is 40 seconds (x = 40) the package reaches the ground and the height is 0.
Therefore, a reasonable domain for the function is:
0 ≤ x ≤ 40
Answer:
0 ≤ x ≤ 40
</span>

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4 years ago