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LenaWriter [7]
2 years ago
11

What is equivalent of 2/7

Mathematics
1 answer:
natita [175]2 years ago
7 0
4/14 because you multiply each number by 2

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Solve the given system of equations.
Goryan [66]
The given equations are:
1) 2y = -x + 9 
⇒ x = 9-2y

2) 3x - 6y = -15
⇒3x = 6y - 15
x = 2y - 5

Equating the values of x, we get:

9 - 2y = 2y - 5
9 + 5 = 4y
14 = 4y
y = 3.5

Using this value of y in equation 1 we get:

x = 9 - 2(3.5) = 2

So, the solution set is (2, 3.5)

8 0
3 years ago
Which number line represents the solution set for the inequality 3x<-9
r-ruslan [8.4K]
The answer would be the 3rd number line or "C"
3 0
3 years ago
Read 2 more answers
Urgent please help..
storchak [24]
The answer is 51.3

Explanation:
You’re finding angle Y, so write the SOH CAH TOA. the two sides your are given are the adjacent side to Y and the opposite side so you use tangent. You then get the equation tanY=10/8 Since you’re finding an angle you use inverse tangent so you get y=tan^-1(10/8) and then put that into the calculator!
8 0
3 years ago
I need help with 8–4 + 9 x 12​
Alenkasestr [34]

Answer:

112

Step-by-step explanation:

8–4 + (9 x 12)

8–4 + 108

112

3 0
2 years ago
Geometry help please I have asked a thousand times for 4 questions
Feliz [49]
To find the superficial area of a prism you have to do base perimeter * height

So find the perimeter of the right triangle: 9+8+5 = 22 yd

Then find the superficial area 22*12 = 264 yd^2
7 0
2 years ago
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