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romanna [79]
1 year ago
10

Determine if (2, -1) is a solution to the system of equations:

Mathematics
1 answer:
stepladder [879]1 year ago
8 0

The solution  to the system of equations is (x, y) = (2, -1).

<h3>What is a system of equations?</h3>

A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

WE are given the  system of equations

2x−y=5

y = 2x - 5

y=3x−7

Adding the two equations Then divide by 2

Subtracting the second equation from the first gives;

0 = x -2

x = 2

y = -1

therefore, The solution is (x, y) = (2, -1).

The solution  to the system of equations is (x, y) = (2, -1).

Learn more about equations here;

brainly.com/question/25180086

#SPJ1

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The area of the triangle is 1560 m2<br><br>True<br><br>False
ValentinkaMS [17]

Answer:

FALSE

Step-by-step explanation:

Area of triangle is given by formula :

Area\ =\ \frac{1}{2}\left(base\right)\left(Altitude\right)

From picture we see that Altitude = 60 m

Base = 52 + 71 = 123 m

Now plug these values into above formula:

Area\ =\ \frac{1}{2}\left(123\right)\left(60\right)

Area\ =\ \frac{1}{2}\left(15129\right)

Area\ =\ \frac{15129}{2}

Area\ =\ 7564.5

Which is different than given area 1560 m^2.

Hence answer is FALSE.

8 0
3 years ago
Please don’t copy and paste the answer from another Brainly, if I asked this question again is because the answers I read weren’
Karolina [17]

The inscribed polygon can be square or a hexagon.

<h3>What is polygon'?</h3>

A polygon is a two-dimensional geometric figure that has a finite number of sides. The sides of a polygon are made of straight line segments connected to each other end to end.

First,

if we join A to B, B to C, C to D and D to A then a square will be formed.

But, if we join passing through the arc intersecting point then join to B then again join to a line passing through arc intersecting then to D.

A six side figure will obtain named as hexagon.

Learn more about polygon here:

brainly.com/question/26215603

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5 0
2 years ago
Rich deposited money into a bank account that earned 2.5% simple interest each year. After 2 years, he had earned $14.65 in inte
adelina 88 [10]
Rich deposited $293 for 2 years at 2.5% simple interest rate
5 0
3 years ago
Patient A’s dose of a certain medicine is twice the dose of Patient B. Together the two patients receive 72 milligrams of the me
horrorfan [7]

Answer:

24

Step-by-step explanation:

8 0
3 years ago
One fifth of the sum of 9 and h
8090 [49]

Answer:

= (9 + h) /5

Step-by-step explanation:

One fifth  means 1/5

Sum of 9 and h = (9 +h)

One fifth of sum of 9 and h = 1/5 x (9 + h)

= (9 + h) /5

I hope this was helpful, Please mark as brainliest

8 0
3 years ago
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