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ikadub [295]
4 years ago
9

The graph displays the total cost when buying gas by the gallon. Which statement best describes the relationship between cost an

d amount of gas purchased?
A) The more gas you buy, the more it costs.
B) The less gas you buy, the more it costs.
C) The more gas you buy, the less it costs.
D) The less gas you buy, the less it costs.

Mathematics
1 answer:
aivan3 [116]4 years ago
3 0
A) The more gas you buy, the more it costs.
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What is the solution to the equation -M+KX=J
marta [7]

Answer:

  X = (J+M)/K

Step-by-step explanation:

Undo what has been done to the variable, in reverse order. The variable has been multiplied by K and M subtracted from the result. So, we first add M (to undo the subtraction), then we divide by K (to undo the multiplication).

  KX = J +M . . . . . . M added to the given equation

  X = (J + M)/K . . . . the result of that is then divided by K

___

Since these are all capital letters, we might assume they represent vectors and/or matrices. If so, the "divide by K" step needs to be "multiply on the left by K^-1, the matrix inverse of K."

Then your solution looks like

  X = K⁻¹·(J + M)

4 0
3 years ago
Read 2 more answers
Find the slope of the line that passes through (5, 7) and (8, 8). Simplify your answer and write it as a proper fraction, improp
Taya2010 [7]

Answer:

The Slope is calculated Using the formula

\frac{y2 - y1}{x1 - x2}

The line passed through (5, 7) and (8, 8):

The slope is

\frac{8 - 7}{8 - 5}

The slope equals

\frac{1}{3}

6 0
3 years ago
A loaf of bread costs 3.00 dollars today. The same size loaf cost 20 cents in 1955. what percentage of todays price did someone
katrin2010 [14]

Answer:

About 6.7%

Step-by-step explanation:

5 0
3 years ago
| 2 +r | ≥ 3 (lines are absolute value)
Alex777 [14]

Answer:

r ≤ -5 and r ≥ 1

Step-by-step explanation:

The solution has two parts:

1) that derived from | 2 +r | ≥ 3 when (2 + r) is already positive.  Then:

                   2 + r ≥ 3, or r ≥ 1

and

that derived from | 2 +r | ≥ 3 when (2 + r) is negative.  If (2 + r) is negative, then

|(2 + r)| = -(2 + r) = -2 -r, which is ≥ 3.  Therefore, -2 -r ≥ 3, or -r ≥ 5.  To solve this for r, divide both sides by -1 and reverse the direction of the inequality sign:  r ≤ -5

4 0
3 years ago
Drag the tiles to the correct boxes to complete the pairs.
borishaifa [10]

Answer:

\sqrt{22}

\sqrt{19}

\sqrt{21}

\sqrt{18}

Step-by-step explanation:

4 0
3 years ago
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