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kow [346]
3 years ago
12

Graph the equations x = 3 and y=5.

Mathematics
1 answer:
inna [77]3 years ago
3 0

Answer:

plot points:

(0, 5)

(3, 5)

(3, 0)

Step-by-step explanation:

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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 <em>y</em> whit this equation gives:

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

Now find the limit of <em>x</em>:

\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 equation of this line is
fomenos

Answer:

y= x + 3

Step-by-step explanation:

I have the same question and that was the correct answer

6 0
2 years ago
What is the scale factor (k) of the dilation if C is (-6,9) and C' is (-2,3)?
bekas [8.4K]

Answer:

Step-by-step explanation:

Given the original coordinate as C (-6, 9) and new coordinates after dilation as C' (-2, 3), we can see that the value of the new coordinates has reduces by a factor. Let the factor be k

For the x coordinates:

C' = kC

x' = kx

-2 = k(-6)

-2 = -6k

Divide both sides by -6

k = -2/-6

k = 1/3

For the y-coordinates:

y' = ky

3 = 9k

Divide both sides by 9:

3/9 = 9k/9

1/3 = k

k = 1/3

Hence the scale factor of the dilation is 1/3

4 0
3 years ago
Read 2 more answers
PLEASE I NEED HELP..
marishachu [46]

Answer:

Step 3 is only wrong

<em>This</em><em> </em><em>is</em><em> </em><em>because</em><em> </em><em>the</em><em> </em><em>symbol</em><em> </em><em>changes</em><em> </em><em>when</em><em> </em><em>writing</em><em> </em><em>in</em><em> </em><em>a</em><em> </em><em>equation</em>

<em>Hope</em><em> </em><em>this is</em><em> </em><em>correct and</em><em> </em><em>helpful</em><em> </em>

HAVE A GOOD DAY!

5 0
3 years ago
Read 2 more answers
(khan academy) please help
Lera25 [3.4K]

Answer:

c is the correct answer

Step-by-step explanation:

we simply multiply powers

7 0
3 years ago
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