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Westkost [7]
3 years ago
12

Solve for x, 1. -2x+4=18 2. x/3 - 1=5

Mathematics
2 answers:
rodikova [14]3 years ago
5 0
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

x-15/4-(1/18)=0

liberstina [14]3 years ago
3 0

1. x = -7

2. x = 18

I HOPE IT HELPS! And can I get brainiest?

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What’s is the slope of the lin
Lady bird [3.3K]

Answer:

1/3

Step-by-step explanation:

<em>Method 1.</em>

slope = rise/run

Rise is vertical distance.

Run is horizontal distance.

Find two points that are easy to read (on grid intersections):

(2, -1) and (5, 0).

Start at (2, 1). You need to go to (5, 0) by moving only vertically and horizontally. Go up 1 unit. That is a rise of 1. Now go right 3 units. That is a run of 3.

rise = 1

run = 3

slope = rise/run = 1/3

<em>Method 2.</em>

Use the slope formula and two points on the line.

slope = m = \dfrac{y_2 - y_1}{x_2 - x_1}

Use points (2, -1) and (5, 0).

slope = m = \dfrac{0 - (-1)}{5 - 2}

slope = m = \dfrac{0 + 1}{3}

slope = m = \dfrac{1}{3}

slope = 1/3

8 0
3 years ago
Drag and drop the appropriate term into each box to simplify the expression. 3 (5m + 2) = 3. 15 hs -2 2 3 5 6 7 10 15 21 30 5​
ElenaW [278]

The value of m from the equation is -1/5

<h3>Solving equations and expression</h3>

Given the equation below expressed as;

3(5m + 2) = 3

Expand

3(5m) + 3(2) = 3

15m + 6 = 3

Subtract 6 from both sides

15m + 6 - 6 = 3 - 6

15m = -3

Divide both sides by 15

15m/15 = -3/15

m = -1/5

Hence the value of m from the equation is -1/5

Learn more on equation and expression here: brainly.com/question/723406

#SPJ1

6 0
1 year ago
The radius of a circle of area a and circumference c is doubled. find the new area of the circle in terms of
maksim [4K]
By definition, the circumference of a circle is:
 c = 2 * pi * r&#10;
 The area of a circle is:
 a = pi * r ^ 2&#10;
 Where,
 r: radius of the circle.
 When the radius is double, then the new area is:
 A = \pi*(2r)^2&#10;
 Rewriting we have:
 A = 4 * \pi * r ^ 2&#10;
 In terms of a we have:
 A = 4 * a
 Answer:
 
The new area of the circle in terms of a is:
 
A = 4 * a
3 0
3 years ago
Find the perimeter and the area of a rectangle with the sides 4 7/20 m and 6 2/3 m.
Simora [160]

9514 1404 393

Answer:

  • perimeter: 22 1/30 m
  • area: 29 m²

Step-by-step explanation:

The perimeter is given by the formula ...

  P = 2(L+W)

  P = 2(4 7/20 +6 2/3) = 2(10 +61/60) = 2(11 1/60)

  P = 22 1/30 . . . . meters

__

The area is given by the formula ...

  A = LW

  A = (4 7/20)(6 2/3) = (87/20)(20/3) = 87/3 = 29 . . . . square meters

The perimeter is 22 1/30 meters; the area is 29 square meters.

5 0
2 years ago
If bananas cost $ 0.49 per ponds, how much would 5.5 pounds cost? Round to the nearest hundredth.
insens350 [35]
Bananas are $0.49 per pound, and you want to buy 5.5 pounds of bananas. 

0.49 x 5.5 = 2.695 <span>≈ 2.70
</span>
So the final answer is 2.70 dollars for 5.5 pounds of bananas. 
3 0
3 years ago
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