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Aleonysh [2.5K]
4 years ago
13

Solve the system using substitution. {5x-y=5 5x-3y=15

Mathematics
1 answer:
labwork [276]4 years ago
3 0

Answer:

x=0

y=-5

Step-by-step explanation:

see the pic for the steps

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4. A parking lot contains 21 sedans. Sedans are found at a ratio of 7:5 to SUVs in the parking lot. How many
Mice21 [21]

Answer:

they are both divisible by 3

7 x 3 = 21

5 x 3 = 15

Step-by-step explanation:

hope this helps lucas (mr. calvelo)

6 0
3 years ago
It cost $520 to plant 4 acres of corn. How much would it cost to plant 3/5 acre of corn?
VLD [36.1K]
Importance should be given to all the informations that are already given in the question. based on those information's, the answer to the question can be easily determined.
The cost of planting 4 acres of corn = 520 dollars
Then
the cost of planting 1 acre of corn = (520/4) dollars
                                                       = 130 dollars
So
The cost of planting 3/5 acres of corn = (3/5) * 130 dollars
                                                             = 3 * 26 dollars
                                                             = 78 dollars
So the cost of planting 3/5 acre of corn is $78. I hope the procedure is clear enough for you to understand. You can always use this method in future for solving similar type of problems without requiring any help from outside.
4 0
4 years ago
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A line has a slope of -2/3 and passes through the point (–3, 8). What is the equation of the line?
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the answer is b i am typing this cause you need more c


4 0
3 years ago
What is 1 + 3x + x =
tangare [24]

Answer:

1 + 4x = ?

Step-by-step explanation:

You need the value of X to solve this.

First add 3x and x and you get 4x

Then multiply the value of x by 4 and add 1 to that and that's the answer.

8 0
3 years ago
When rotated about its center, a regular octagon has In addition to rotational symmetry, a regular octagon has symmetry rotation
Misha Larkins [42]

Answer:

The answer is D: 6 and 6

Step-by-step explanation:

5 0
3 years ago
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