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DiKsa [7]
3 years ago
13

Y=-x - 3 What so the value of x

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
6 0

Answer:

x=−y−3

Step-by-step explanation:

Step 1: Flip the equation.

−x−3=y

Step 2: Add 3 to both sides.

−x−3+3=y+3

−x=y+3

Step 3: Divide both sides by -1.

\frac{-x}{-1} = \frac{y+3}{-1}

x=−y−3

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Answere 1,2,3<br> Addition with <br> Unlike <br> Denominators <br> Please help
Naya [18.7K]
I dont know if im right but i beleive its 1/2
5 0
3 years ago
Briana bought 3 bottles of ketchup and 2 bottles of mustard and for $11.85. Logan bought 2 bottles of ketchup and 5 bottles of m
zheka24 [161]
<h2>Answer:</h2><h2>The cost of ketchup bottle, x = 2.89</h2><h2>The cost of mustard bottle, y = 1.59</h2>

Step-by-step explanation:

Let the ketchup be represented as x and mustard as y

Briana  bought 3 bottles of ketchup and 2 bottles of mustard and for $11.85

3x + 2y = 11.85 ...(1)

Logan bought 2 bottles of ketchup and 5 bottles of mustard for $13.73.

2x + 5y = 13.73 ...(2)

Multiplying eq (1) by 2, we get

6x + 4y = 23.7 ...(3)

Multiplying eq (2) by 3, we get

6x + 15y = 41.19 ...(4)

Subtracting eq (3) from (4),

we get 11y = 17.49

y = 1.59, substitute it in eq(1), we get

x = 2.89

Therefore, the cost of ketchup bottle, x = 2.89

The cost of mustard bottle, y = 1.59

3 0
3 years ago
Arrange the functions in descending order, starting with the function that eventually has the greatest value and ending with the
Marina86 [1]
I'll just assign a value of x and solve it so that I'll be able to arrange them in order from greatest to least.

I am assuming that x = 2.

4x + 9 ⇒ 4(2) + 9 = 8 + 9 = 17
9^x + 1 ⇒ 9² + 1= 81 + 1 = 82
x² + 3 ⇒ 2² + 3 = 4 + 3 = 7
4x ⇒ 4(2) = 8
9^x ⇒ 9² = 81
x² ⇒ 2² = 4

based on my assumption, the order from greatest value to least value is:
1) 9^x + 1
2) 9^x
3) 4x + 9
4) 4x
5) x² + 3
6) x²
8 0
3 years ago
How do you solve y/8 =x
ivann1987 [24]

Answer:

I think the anwser is 1/8

Step-by-step explanation:

hope this helps :)

3 0
3 years ago
WHATS THE SLOPE? I need this ASAP!!
V125BC [204]

Answer:

4/3

Step-by-step explanation:

Lets begin by moving the negative 1 to the right. We are now at 4x = 3y + 6. If we move the 3y to the left and 4x to the right, we then get to -3y = -4x +6. We now need to divide by -3. This simplifies to y = 4/3x + 6. Therefore, the slope would be 4/3.

6 0
3 years ago
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