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Elena L [17]
2 years ago
8

Constant of proportionality?

Mathematics
1 answer:
Anna11 [10]2 years ago
6 0

Answer:

12

Step-by-step explanation:

uhh division

hope this helped! :)

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An=2n-1<br> What is An?<br> Please I need help
larisa [96]

Answer:xscscx

Step-by-step explanation:

4 0
3 years ago
4^2 + 5 • 3^2 – 4^2 ÷ 2^3
valkas [14]
<span>Following the order of operations:
4^2 + 5 * 3^2 – 4^2 / 2^3
</span><span>16 + 5 * 3^2 – 4^2 / 2^3
</span><span>16 + 5 * 9 – 4^2 / 2^3
</span><span>16 + 5 * 9 – 16 / 2^3
</span><span>16 + 5 * 9 – 16 / 8
</span><span>16 + 45 – 16 / 8
</span><span>16 + 45 – 2
</span><span>61 – 2
</span>59

The answer is 59
3 0
3 years ago
Read 2 more answers
Find the perimeter of the polygon with the vertices U(-2,4), V(3,4) W(3,-4). Round your answer the nearest hundredths
Nastasia [14]

Answer:

22.43

Step-by-step explanation:

three points ==> it's a triangle

so we will just have to calculate the length of each side

U & V has the same y-coordinate, which means UV is a horizontal line ==>

UV = 3 - (-2) = 5

V & W has the same x-coordinate, which means VW is a vertical line ==>

VW = 4 - (-4) = 8

UW is not a horizontal line nor a vertical line, so we will have to calculate it using distance formula

UW = sqrt { [3 - (-2)]^2 + [-4 - 4]^2 } = sqrt{25 + 64} = sqrt(89) ~~ 9.43

so the perimeter of the polygon is UV + VW + UW = 5 + 8 + 9.43 = 22.43

6 0
3 years ago
The product of a and 4
Helen [10]

Product of a and 4

4a

8 0
3 years ago
Please help me.i don't get it.
alukav5142 [94]

Answer:

See below.

Step-by-step explanation:

The addition method is a good choice in this case since you have x in one equation and -x in the other equation, and x and -x add to zero, eliminating x.

 x - 5.5y = -14

-x + 2.6y = 8.2

Add the equations. x and -x ad to zero, eliminating x. Then solve for y.

-2.9y = -5.8

Divide both sides by -2.9

y = 2

Substitute 2 for y in the first original equation, and solve for x.

x - 5.5y = -14

x - 5.5(2) = -14

x - 11 = -14

x = -3

Solution: x = -3; y = 2

Since the coefficients of y in the two original equations are not opposites, the addition method would not be the best method to use to solve for y first.

4 0
3 years ago
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