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Paladinen [302]
3 years ago
7

What is the solution to the system of equations? y = 1.5x – 4 y = –x

Mathematics
2 answers:
aliina [53]3 years ago
8 0
Red line for y=1.5x-4 
and blue for y= -x

the solution is (1.6  , -1.6)

Oksana_A [137]3 years ago
6 0
X=1.6, y=-1.6
using substitution,
(replace y in equation 1 with -x from equation 2)
-x=1.5x-4
(make all variables on the same side- subtract 1.5x)
-2.5x=-4
(divide by -2.5 to get x by itself)
x=1.6
(plug x into the second equation to solve for y)\
y=-1.6
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forsale [732]

Answer:

<em><u>4 toothpicks.</u></em>

Step-by-step explanation:

We have been given that Kiley had a piece of bamboo skewer that measured 14 3/5 inches long. She wanted to cut it into toothpicks that were each 3 1/5 inches long.

To find the number of toothpicks that Kiley can make from bamboo skewer, we need to divide the length of skewer by length of each toothpick.

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First of all, we will convert our given mixed fractions into improper fractions as:

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Dividing a fraction by another fraction is same as multiplying the 1st fraction by the reciprocal of 2nd fraction.

Total number of toothpicks = 73/5 x 5/16

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Total number of toothpicks = 4.5625

Therefore, Kiley can make 4 toothpicks.

hope this helps, can i get brainliest please?

3 0
3 years ago
Enter the correct answer in the box.
Rufina [12.5K]

Answer: the formula is r you have it right there

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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