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ValentinkaMS [17]
4 years ago
11

Is(2, 5)asolutiontotheinequality 2x + 3y ≥ 20 ?

Mathematics
2 answers:
Daniel [21]4 years ago
5 0

Answer:

no

Step-by-step explanation:

2x + 3y ≥ 20

Substitute the point (2,5) in for x and y and see the inequality is true

2(2) +3(5) ≥ 20

4 + 15 ≥ 20

19 ≥ 20  

This is not true, so (2,5) is not a solution

Inessa05 [86]4 years ago
3 0

Steps to solve:

2x + 3y ≥ 20; x = 2, y = 5

~Substitute

2(2) + 3(5) ≥ 20

~Simplify

4 + 15 ≥ 20

~Simplify

19 ≥ 20

The inequality is NOT true. Therefore, (2,5) is NOT a solution to the inequality.

Best of Luck!

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Solve the equation 4x+8y=12 for x
kondor19780726 [428]
4x+8y=12

x=2 

y = 1/2

Plug in each number

4(2)+8(1/2)=12
 
8+4=12

7 0
4 years ago
Triangle $PQR$ is isosceles and the measure of angle $R$ is $40^\circ$. The possible measures of angle $P$ are $x,y,z$. What is
Alisiya [41]

Answer:

The possible value for angle P will be 100

And sum will  also 100 because it has only one value.

Step-by-step explanation:

Given:

angle R measures 40 degree  and PQR is isosceles triangle.

To Find:

Measure angle P.

Solution:

The given triangle is isosceles hence it will have 2 same angle included in it.

And sum of all angles of a triangle is 180 degree.

let same angles be x and other be y

So ,

x+x+y=180.............. sum of all angles.

2x+y=180.

Now to find possible values for y ,with x=40,

2x+y=180

80+y=180

y=100

So being x= 40 y =100  which satisfy given angle R condition.

now let y=80,then x should satisfy 40 degree value, so

2x+80=180

2x=100

x=50

it doest not satisfy the given value hence possible for  y will be 100.

Since x=40 degree.

8 0
4 years ago
The PRODUCT of 25 and x.
dexar [7]

Answer:

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Step-by-step explanation:

25•x is 25x.

Until you know what x is you cannot do anything

Once you find out what x is you can plug in the number in the x space to get 25•__

I hope this helped!

8 0
3 years ago
What do i write in the box?
Kruka [31]
The answer is (2,4) because that is the POI (point of intersection)
8 0
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natima [27]
You do peranthais first then go left tobright
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3 years ago
Read 2 more answers
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