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madam [21]
3 years ago
9

Solve 3x + k = c for x.

Mathematics
1 answer:
hoa [83]3 years ago
4 0

Answer:

zeleh

Step-by-step explanation:

vondo casa de pellande

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Which expression is equivalent to -7(y-2)
soldi70 [24.7K]

Hello!

Distributive property: a(b+c)=ab+ac

a=-7, b=y, c=2

-7y-(-7)*2

Minus and plus sign.

-7y+7*2

Then multiply by the numbers.

7*2=14

\boxed{=-7y+14}

Hope this helps!

Thanks!

Have a great day!

5 0
3 years ago
A football is kicked into the air. The height of the football can be modeled by the equation
Alinara [238K]

Answer:

x = 0 and x = 1

Step-by-step explanation:

Given that,

A football is kicked into the air. The height of the football can be modeled by the equation :

h = -16x^2 + 16x

Where

h is the height reached by the ball after x seconds

When it touches the ground, h = 0

So,

-16x^2 + 16x=0\\\\16x(-x+1)=0\\\\x=0\ and\ x=1

So, it will touch the ground at x = 0 and x = 1 seconds.

6 0
3 years ago
How to solve it<br><br><br> and make it easier for myself and learn how to understand it fast
jeka57 [31]
The easiest way is just to plug it in to your calculator. you find the square root button and plug the number in. for example if you plug in the square root of 289 you get 17
3 0
3 years ago
Create and solve a system of equations for the following scenario: Luke and Leia are selling hot dogs and hamburgers at a minor
mixas84 [53]

So x + y = 45, and 4x + 5y = 195. Get y by itself. Subtract x from both sides in the first equation to get y = 45 -x, and subtract 4x from the second equation to get 5y = 195 - 4x. Divide by 5 to both sides to get y = 39 - 4/5x. 39 - 4/5x = 45 - x. Add x to both sides to get 39 - 1/5x = 45. Subtract 39 from both sides to get -1/5x = 6. Divide by -1/5 to get x = -30, or 30. In the first equation, do 30 + y = 45. Subtract 30 from both sides to get y = 15. Check. 4(30) + 15(5) = 195, or 120 + 75 = 195.


5 0
3 years ago
The sum of two numbers is 17, and their difference is 29. What are the two numbers?
serious [3.7K]
X + y = 17
x - y = 29

x = 17 - y
x - y = 29

x = 17 - y
17 - y - y = 29

x = 17 - y
17 - 2y = 29

x = 17 - y 
- 2y = 29 - 17

x = 17 - y
-2y = 12

x = 17 - y 
y = -6

x = 17 - (-6)
y = -6

x = 17 + 6
y = -6

x = 23
y = -6

6 0
3 years ago
Read 2 more answers
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