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Natalka [10]
3 years ago
14

WILL GIVE BRAINLEIST THANK YOU AND FRIEND YOU NEED TO GIVE AWAY POINTS EASY A counterexample is an example showing that a statem

ent is not true. Provide a counterexample to the following statement: Division of whole numbers is commutative.
Mathematics
1 answer:
Zigmanuir [339]3 years ago
8 0
4 ÷ 2 = 2
2 ÷ 4 = 1/2
As we can see, the order in which the numbers are divided yielded different results.
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Triangle xyz is similar to triangle xvw. write the congruence statements that must be true.
Lunna [17]

Answer:

∠ Y = ∠ V

∠ Z = ∠ W

\frac{XY}{XV} =\frac{YZ}{VW} =\frac{XZ}{XW}

Step-by-step explanation:

It is given that Δ XYZ is similar to Δ XVW.

Since corresponding angles of similar triangles are equal,

∠ X = ∠ X

∠ Y = ∠ V

∠ Z = ∠ W

Also, since corresponding sides of similar triangles are in proportionate,

\frac{XY}{XV} =\frac{YZ}{VW} =\frac{XZ}{XW}

7 0
3 years ago
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umka2103 [35]

Answer:

C

Step-by-step explanation:

1/4--1/2=0.75

This is less than 2 which you get from 1/2 times 2 which =1

1+1=2

7 0
3 years ago
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Whats an equation that the passes through (-6,4) and is parallel to y=1/2x+8
Trava [24]
Formula y-y1= m(X-X1)
Since its parallel the m is 1/2
The -6 is X1 and the 4 is y1
Okay now do formula

Y-4= 1/2(X--6)
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6 0
3 years ago
Solve the equation p^2 + 4p = 1 by completing the square.
igor_vitrenko [27]

Answer:

p = -2 ±sqrt( 5)

Step-by-step explanation:

p^2 + 4p = 1

Take the coefficient of p

4

Divide by 2

4/2 =2

Square it

2^2 = 4

Add it to each side

p^2 + 4p+4 = 1+4

(p+2) ^2 = 5

Take the square root of each side

sqrt((p+2) ^2) =±sqrt( 5)

p+2 = ±sqrt( 5)

Subtract 2 from each side

p+2-2 = -2 ±sqrt( 5)

p = -2 ±sqrt( 5)

7 0
2 years ago
Which equation represents a circle with a center at (-4, 9) and a diameter of 10 units
VLD [36.1K]
Radius = 1/2 * diameter = 5

Equation  is (x - (-4))^2 + (y - 9)^2 = 5^2

(x + 4)^2 + (y - 9)^2 = 25  is the answer
8 0
3 years ago
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