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Marrrta [24]
3 years ago
9

Almonds cost $5 per pound. Cashews cost $2 per pound. Matt purchased

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
7 0

Answer:

B 10 pounds

Step-by-step explanation:

Start with what you know.  You know that almost 5 dollars per pound. and that cashews cost 2 dollars per pound. If there are 10 pounds of cashews, that is 20 dollars worth of cashews.  then if you use your head you will figure out that there are 10 pounds.

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Solve the following system of equations:
Vladimir79 [104]

Answer:

<u><em>(-1,1)</em></u>

Step-by-step explanation:

We can solve this by either graphing and finding ther point the lines intersect, or mathematically,  I'll do both.

<u>Graphing:</u>

<u>Mathematically:</u>

−2x + 4y = 6

y = 2x + 3

See the attached graph.  The lines intersect at (-1,1)

--------------------

I'll rearrange the first equation (to make it easier for me):

−2x + 4y = 6

4y = 2x + 6

y = (1/2)x + 1.5

Now lets substitute the second equation into the first so that we can eliminate y:

y = 2x + 3

[(1/2)x + 1.5] = 2x + 3

- (3/2)x = (3/2)

x = -1

If x = -1:

y = 2(-1) + 3

y = 1

The solution is x = -1 and y = 1, or (-1,1)

=================

Both approaches give us (-1,1), the solution to the system of equations.  It is the only point that satisfies both equations.

3 0
1 year ago
Can someone please help me find the slope, y-intercept, and the equation please? Thank you!!!
Zielflug [23.3K]

Answer:

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SteHey, wanna pair our account on Brainly so we can share the perks? brainly.com/invite/606fb7312bc2ff34fb49b96bd77ce051?utm_source=invite&utm_medium=link&utm_campaign=bfp_parental_feed&utm_term=parentp-by-step explanation:

Hey, wanna pair our account on Brainly so we can share the perks? brainly.com/invite/606fb7312bc2ff34fb49b96bd77ce051?utm_source=invite&utm_medium=link&utm_campaign=bfp_parental_feed&utm_term=parent

7 0
3 years ago
Read 2 more answers
What is 14 : 56 equivalent to​
Vlad1618 [11]

Answer:

28 : 112

Step-by-step explanation:

you can multiply 14 by 2 and 56 by 2 and you get 28 for 14 and 112 for 56 so 28:112 is equivalent to 14:56.

8 0
3 years ago
Read 2 more answers
Percentages. 5 1/4% multiplied by what equals 42?
Svetlanka [38]

Answer:

x = 800

Step-by-step explanation:

0.0525 × x = 42

x = 800

6 0
2 years ago
X-4=3(y+1) <br> You need to solve for Y
lianna [129]

Answer:

The answer is: y = 1/3*x - 7/3

Step-by-step explanation:

The equation, which is in the form of the point slope:

x - 4 = 3(y + 1)

x - 4 = 3y + 3

x - 7 = 3y

1/3*x - 7/3 = y

y = 1/3*x - 7/3

That is y equals one-third x minus seven thirds.

7 0
3 years ago
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