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3 years ago

If a car is traveling at a constant rate of 20 miles per hour, how far would it

Mathematics

2 answers:

RUDIKE [14]3 years ago

6 0

Answer:

60 miles

Step-by-step explanation:

20 miles in 1 hour

times 3 hours

20 x 3 = 60

Ilia_Sergeevich [38]3 years ago

3 0

Answer:

60 miles

Step-by-step explanation:

Take 20 and multiple by 3 which gives you 60

hope this helps

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2 years ago

Term insurance has value as an investment.<br><br> True<br><br> False

ycow [4]

Answer: False.

Step-by-step explanation:

When an individual bought a term policy, all of his premiums go towards securing the death benefits for the beneficiaries.

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2 years ago

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Factor completely 6x^2 -4x

Liono4ka [1.6K]

Answer:

2x(3x−2)

Step-by-step explanation:

Factor $6x^{2}$ − 4x

$6x^{2}$ − 4x

=2x(3x−2)

Hope this helps!

4 0

2 years ago

Help me please it is due tomorrow help with 2 or 3 just what in the boxes a nd who has what

artcher [175]

2640 is the answer for number 2.

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2 years ago

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Peter has 3200 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed a

salantis [7]

Answer:

$A = 640000\,yd^{2}$

Step-by-step explanation:

Expression for the rectangular area and perimeter are, respectively:

$A (x,y) = x\cdot y$

$3200\,yd = 2\cdot (x+y)$

After some algebraic manipulation, area expression can be reduce to an one-variable form:

$y = 1600 -x$

$A (x) = x\cdot (1600-x)$

The first derivative of the previous equation is:

$\frac{dA}{dx}= 1600-2\cdot x$

Let the expression be equalized to zero:

$1600-2\cdot x=0$

$x = 800$

The second derivative is:

$\frac{d^{2}A}{dx^{2}} = -2$

According to the Second Derivative Test, the critical value found in previous steps is a maximum. Then:

$y = 800$

The maximum area is:

$A = (800\,yd)\cdot (800\,yd)$

$A = 640000\,yd^{2}$

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3 years ago

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