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solmaris [256]
3 years ago
14

If 3x−y=12, what is the value of 8x 2y?

Mathematics
2 answers:
Ugo [173]3 years ago
8 0

The answer is d / the value cannot be determined from the information given
Artyom0805 [142]3 years ago
4 0

Answer:

D

Step-by-step explanation:

To find two unknowns, you need atleast two different equations.

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The equation p=1.5r graphed find price p, in dollars for r pounds of rice
disa [49]

Answer:

Hope that help you mark me brinilylist

Step-by-step explanation:

Given that 5 pounds of rice at a store cost $6.50.

Then 1 pound of rice at a store cost = $6.50/5= $1.3

So the equation for the cost can be written as:

C=1.3P just like we write equation y=mx

Now we have to graph the cost C, vs pounds of rice.

Variable for Pounds of rice is not given so let it be "P"

So let's make a table for the number of pounds (P) and cost (C)  we can graph the points from that table to get the final graph.

The Attached graph is the final graph.

3 0
2 years ago
If A c B and A N B= • then which of the following can be concluded about the sets A and B!
Sergio [31]

Step-by-step explanation:

Set A is a subset of set B if all the elements of A are also the elements of Set B.. (common element)

The above set have 0 common elements so.. if there is no common element and are subsets then it means that there arent any elements in both the sets

so, the answer for the question would be "both the Sets A and B are the empty sets"

6 0
1 year ago
What is the volume of the figure below, which is composed of two cubes with side lengths of 9 units
Rufina [12.5K]
9 cubed. times 2 =
1458
6 0
2 years ago
Lisa and her daughter weigh 185 pounds all together. The ratio of lisa’s weight to her daughter weight is 4:1 . How much does li
frez [133]

Since the ratio of mother to daughter is 4:1, the weight of the mother and daughter together is five times the weight of the daughter.

In fact, if the daughter weights d pound, the mother weights 4d pounds, and the total weight is d+4d = 5d.

We know that this total is 185 pounds, so we have

5d = 185 \iff d = \dfrac{185}{5} = 37

So, the daughter weights 37 pounds.

5 0
3 years ago
I need help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1!111111111111
Marrrta [24]

Answer:

no solution

Step-by-step explanation:

6n=6n

7 0
3 years ago
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