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Naya [18.7K]
3 years ago
9

24 Is (2,-3) a solution to the linear equation y=5x-13

Mathematics
1 answer:
N76 [4]3 years ago
6 0

Answer:

True

Step-by-step explanation:

To solve, substitute known values:

- 3  \stackrel{?}{ = }5(2) - 13

Then simplify:

- 3  \stackrel{?}{ = }10 - 13 \\  - 3 =  - 3

Since -3 = -3, it is a solution of the equation.

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find the slope of the line that contains the following points A : [ 17 , -12 ] and [ 17 , 8 ] and B [ 6 , -2 ] and [ -3 , 1 ]
Svetradugi [14.3K]
1/9 because i you plug in two of the points into y2 -y1 over x2 -x1 thats what you get.
4 0
4 years ago
Find the surface area of the cylinder. Round to the nearest tenth.
OleMash [197]

Hello!

To find the surface area of the given cylinder, we need to use the formula of the surface area of a cylinder.

The formula for the surface area of a cylinder is SA = 2πrh + 2πr².

In this formula, r is the radius and h is the height.

In the given diagram, we see that the height is 6 meters, and the radius 9 meters. With those values, we can substitute them into our formula and solve for the surface area.

In some cases, you are given the diameter. To find the radius, you would need to divide the diameter by two.

SA = 2π(9)(6) + 2π(9)²

SA = 54(2π)  + 2(81π)

SA = 108π + 162π

SA = 270π

SA ≈ 848.2 m²

Therefore, the surface area of the given cylinder is choice A, 848.2 m².

5 0
3 years ago
What is the value of x squared =169
Rufina [12.5K]
x^{2} =169\\ \\ x^{2}=13^2\ \ \ \Leftrightarrow\ \ \ x=13\ \ \ or\ \ \ x=-13
3 0
3 years ago
Jaida has $200 to spend on flowers for a school celebration. She decides that the only flowers that she wants to buy are roses a
mafiozo [28]

Answer:

1.45x+0.65y\leq 200

Here, x denotes the number of roses used for a school celebration and y denotes the number of carnations used for a school celebration.

Step-by-step explanation:

Let x denotes the number of roses used for a school celebration and y denotes the number of carnations used for a school celebration.

Cost of 1 rose = $1.45

Cost of x roses = \$1.45x

Cost of 1 carnation = $0.65

Cost of y roses = \$0.65y

Total cost spend on flowers = 1.45x+0.65y

Total amount with Jaida = $200

So,

the inequality to represent the cost constraint is 1.45x+0.65y\leq 200

5 0
4 years ago
Select all that apply.
Marina CMI [18]
Any measurement that can be used to measure area will have the word square or squared somewhere in the term, because you multiply two values to get the area. So the answers would be inches squared, and square yards. 

Simply meters and centimeters would be used for length; cubic feet would be used for volume because three values have to be used to find an object's volume.

Hope this helps.
5 0
4 years ago
Read 2 more answers
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