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dalvyx [7]
4 years ago
13

how so you solve 5x+27=9(x+3)-4x and is this a conditional equation, an identity, or an inconsistent equation

Mathematics
1 answer:
Vikentia [17]4 years ago
5 0

To solve this, follow these steps:

5x + 27 = 9 (x+3) - 4x

Distribute the 9 within the parenthesis:

5x + 27 = 9x + 27 - 4x

Then combine like terms:

5x + 27 = 5x + 27

These two then cancel each other out completely.

This is an identity because an identity in math is when both equations equal each other, which is shown above.

Hope this helps!

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What is the slope, m, and the y-intercept of the line that is graphed below?
Pepsi [2]

Answer:

Slope: 1

Y-intercept: (0,3)

Step-by-step explanation:

The y intercept is when the slope reaches the y-axis line. In this case, it is given to us. Anything that is formed like this: (0, y) is the y-intercept.

Y intercept: (0, 3)

For slope, you can use the formula rise over run. \frac{Rise}{Run}

From the picture, I have drawn the rise over run, which is \frac{3}{3}, which is also 1.

Slope: 1

Hope this helped.

6 0
3 years ago
A van travels 300 miles on 15 gallons of gas. Find how many gallons the van needs to travel 360 miles. 72 gallons of gas 18 gall
leva [86]

simple first we find the miles per gallon

so 300/15=20 therefor he would only need a extra 3 gallons to go 360 miles so your answer is

B.18

6 0
4 years ago
Triangle ABC has points A(4,2) B(4,4) & C (0,4). If triangle ABC is dilated by a scale factor of 3 from the point (-1, 2) to
Snezhnost [94]

9514 1404 393

Answer:

  A'(14, 2)

Step-by-step explanation:

The y-value of A is the same as the y-value of the center of dilation, so it remains unchanged.

The x-value of A is 4-(-1) = 5 units from the center of dilation, so A' will be 15 units from the center of dilation. 15 +(-1) = 14. The coordinates of A' are (14, 2).

5 0
3 years ago
How do i do this and what’s the answer????
inysia [295]

Answer:

The correct answer is z = -6.

Step-by-step explanation:

1/3 (2z + 6) = 1/4 (z - 2)

The first step I am going to take is to multiply both sides of the equation by 12 (the least common multiple of 3 and 4).  This will eliminate the fractions on both sides of the equations and make the numbers much easier to work with.

4 (2z + 6) = 3 (z - 2)

Next, we can use the distributive property to eliminate the parentheses.  This means multiplying each term inside the parentheses by the coefficient on the outside of the parentheses.

8z + 24 = 3z - 6

Now, we can subtract 3z from both sides of the equation.

5z + 24 = - 6

Next, we should subtract 24 from both sides of the equation.

5z = -30

Finally, we can divide both sides of the equation by 5.

z = -6

Therefore, the correct answer is z = -6.

Hope this helps!

6 0
4 years ago
PPPPPPLLLLLLEEAAASSEE HELLLPPP WIL MARK BRAINLIEST the brackets for a shelf are in the shape of a triangle. Find the angles of t
ahrayia [7]

Answer:

Step-by-step explanation:

Sum of the angles of a triangle is ALWAYS 180°.

2x+3x+5x = 180°

10x = 180°

x = 18°

2x = 36°

3x = 54°

5x = 90°

The angles are 36°, 54°, and 90°

6 0
3 years ago
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