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eimsori [14]
3 years ago
6

Decide which of the two given prices is the better deal and explain why.

Mathematics
2 answers:
sammy [17]3 years ago
7 0

Answer:

B; $3.30

Step-by-step explanation:

Since $43.75 is the cost of 12 gallon tanks, you want to multiply $3.30 by 12 to compare them when they each have the same amount of gallon tanks. This gets us to $39.60 which makes B the better deal.

However, the question asks for the unit price of one gallon tank, so you would want to put $3.30.

wolverine [178]3 years ago
3 0

Answer: The answer is B $3.36 per gallon

Step-by-step explanation:

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Which statement explains how the lines 2x + y = 4 and y = one halfx + 4 are related?
KatRina [158]

Answer:

They are perpendicular

Step-by-step explanation:

To solve this problem .

we will convert the equations in slope intercept form.

Slope intercept  form of equation is y = mx+c

where m is slope of line and c is y intercept.

________________________________

equation 1 is

2x+y = 4

=> y =4 - 2x or y = -2x + 4

comparing it with y = mx + c

m = -2  , c = 4

_________________________________________

equation 2 is y = one halfx + 4 ( one half is same as 1/2)

so equation is

y = x/2 +4

comparing it with y = mx + c

m = 1/2  , c = 4

_________________________________________

Now lets evaluate options

They are parallel.  wrong option

For lines to be parallel slope should be same.

But here slope are different -2 and 1/2 .

Thus lines are not parallel.

__________________________________________

They are perpendicular.  correct option

For lines to be perpendicular, product of slope should be equal to -1.

-2*1/2 = -1

we can see that product of slope should be equal to -1 .

Thus lines are  perpendicular

______________________________________

They are the same line.  wrong option

For lines to be same both slope and y intercept should  be same.

Y intercept is same but the slopes are different -2 and 1/2  .

Thus lines are not  the same line.

__________________________________________

They are not related.       wrong option

As we have found that the lines are perpendicular .

So this option is intuitively wrong

4 0
3 years ago
Y = 230X + 100<br><br> What is the constant rate
Ad libitum [116K]

Answer: y 12 6 4 3. - 2 Y x 1 | 2 | 3 | 4 |. | y | 7 | 5| 3 1. 3.

Step-by-step explanation:

6 0
2 years ago
If k is a constant, what is the value of k such that the polynomial k^2x^3 - 6kz+9 is
Tresset [83]

x-1 divides p(x)=k^2x^3-6kx+9 if the remainder is p(1)=0. (This is the remainder theorem)

Then we must have

p(1)=k^2-6k+9=(k-3)^2=0\implies\boxed{k=3}

3 0
3 years ago
Can people help me with this
marishachu [46]
3) 21,070
5) 600
6) 265
I couldn't see #4
Hoped this helped!
6 0
3 years ago
Read 2 more answers
One day when Terry went to school the temperature outside was –15 degrees Fahrenheit. In Terry's classroom the temperature was 6
lina2011 [118]

Answer:

83 degrees

Step-by-step explanation:

Add together the magnitudes of the outdoor and indoor temperatures:

|-15 degrees| + |68 degrees| = 83 degree temperature difference (Answer C).

6 0
3 years ago
Read 2 more answers
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