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3 years ago

What is the factor of 85

Mathematics

2 answers:

Andrej [43]3 years ago

4 0

The prime factorization is 5 * 17<span />

Novosadov [1.4K]3 years ago

4 0

The factor of 85 is 5*17. Let me know if you need anything else.

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A DVD case contains 4 comedies and 6 action movies. Suppose you select a movie at random on Friday night, don’t replace the movi

mamaluj [8]

Step-by-step explanation:

P(C) = 4/10 = 2/5

P(A) = 6/10 = 3/5

8 0

3 years ago

A car is traveling at 60 mph and is tailgating another car at distance of only 30 ft. If the reaction time of the tailgater is 0

Sveta_85 [38]

Answer:

44 ft

Step-by-step explanation:

We are given that;

Speed; v = 60 mph

Reaction time;t = 0.5 s

Now, we know that;

Distance = speed x time

Since time is in seconds, let's convert speed to mph to ft/s

From conversion,

1 mph = 1.46667 ft/s

So, 60 mph would give;

60 × 1.46667 ≈ 88 ft/s

Thus, distance his car travels during his reaction time is;

Distance = 88 × 0.5 = 44 ft

6 0

3 years ago

A tank 4/5 full needs 75 litres to fill it up.how many litres does it hold when full

Ann [662]

X - the volume of the tank

$\frac{4}{5}x+75=x \\
75=x-\frac{4}{5}x \\
75=\frac{1}{5}x \ \ \ |\times 5 \\
x=375$

The tank holds 375 liters when full.

8 0

3 years ago

If f(x)=2−x12 and g(x)=x2−9, what is the domain of g(x)÷f(x)?

Keith_Richards [23]

$\bf \begin{cases}
f(x)=2-x^{12}\\
g(x)=x^2-9\\
g(x)\div f(x)=\frac{g(x)}{f(x)}
\end{cases}\implies \cfrac{x^2-9}{2-x^{12}}$

now, for a rational expression, the domain, or "values that x can safely take", applies to the denominator NOT becoming 0, because if the denominator is 0, then the rational turns to undefined.

now, what value of "x" makes this denominator turn to 0, let's check by setting it to 0 then.

$\bf 2-x^{12}=0\implies 2=x^{12}\implies \pm\sqrt[12]{2}=x\\\\
-------------------------------\\\\
\cfrac{x^2-9}{2-x^{12}}\qquad \boxed{x=\pm \sqrt[12]{2}}\qquad \cfrac{x^2-9}{2-(\pm\sqrt[12]{2})^{12}}\implies \cfrac{x^2-9}{2-\boxed{2}}\implies \stackrel{und efined}{\cfrac{x^2-9}{0}}$

so, the domain is all real numbers EXCEPT that one.

4 0

3 years ago

2x + 11 = 25<br> Solve x <br> I need the working out.

BlackZzzverrR [31]

First to find what’s 2x you do 25-11=14, and you know that 7 x 2 =14.
So x= 7.

4 0

3 years ago

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