3 years ago

Andy is buying a car.

Mathematics

1 answer:

serg [7]3 years ago

8 0

7/100* 6500=455

6500-455=6045

6045/12=503.75

Andy pays 503.75 a month

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A parcel delivery service will deliver a package only if the length plus girth (distance around) does not exceed 84 inches. (A

Kisachek [45]

Answer:

A. 14x14x28

B. The maximum volume is 5488 cuibic inches

Step-by-step explanation:

The problem states that the box has square ends, so you can express volume with:

$v=x^{2} y$

Using the restriction stated in the problem to get another equation you can substitute in the one above:

$4x+y=84\\\\$

Substituting y whit this equation gives:

$v=x^{2} (84-4x)\\\\v=84x^{2} -4x^{3}$

Now find the limit of x:

$\frac{84x^{2}-4x^{3}}{dx}=168x-12x^{2}\\\\x=\frac{168}{12}=14$

Find the length:

$y=84-4(14)=28$

You can now calculate the maximum volume:

$v=(14)^{2}(28)= 5488$

6 0

3 years ago

The variable Z is directly proportional to X. When X is 12, Z has the value 228. What is the value of Z when X = 18

Kisachek [45]

Here, z = kx

k = z/x
k = 228/12
k = 19

So, when x = 18,
z = 19 * 18
z = 342

In short, Your Answer would be: 342

Hope this helps!

8 0

3 years ago

A)Agudos B)suplementares C)congruentes D)complementares E)Rasos

True [87]

Answer:

The correct answer to this question is complementars

8 0

3 years ago

Select the correct answer. Which function has a domain of all real numbers? A.y=(x+2)^ 1/4 B.y=-x^ 1/2+5 C.y=-2(3x)^1/6 D.y=(2x)

BaLLatris [955]

Answer:

The answer is probably A

Step-by-step explanation:

Its domain is the only one of these that contain -2, which is a real number.

EMERGENCY CORRECTION: THIS IS WRONG AND I'M TOO ST*PID TO FIGURE OUT THE REAL ANSWER I'M SORRY

7 0

3 years ago

Determine the solution for the system of equations below.

NeX [460]

Answer:

(0,0)

Step-by-step explanation:

4x + 4x = 0

8x = 0

8x / 8 = 0 / 8

x = 0

y = 4x

y = 4(0)

y = 0

8 0

3 years ago