3 years ago

Polygon ABCDE is reflection to produce polygon A’B’C’D E’. What is the equation for the line of reflection

Mathematics

1 answer:

lina2011 [118]3 years ago

3 0

Answer:

D Hb=HB

Step-by-step explanation:

i'm pretty sure thats the awnser

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For what ordered pair (a,b) are there infinite solutions (x,y) to the system ; 3ax + 3y=5b, 2x+y=5

Semmy [17]

Answer:

The ordered pair is (2,3)

Step-by-step explanation:

we know that

If a system of equations has infinite solutions, then the equations are the same

we have

3ax+3y=5b -----> equation A

2x+y=5 ----> equation B

Multiply equation B by 3 both sides

3*(2x+y)=5*3

6x+3y=15 -----> equation C

Compare equation A and equation C

3ax=6x------> 3a=6 -----> a=2

5b=15 ------> b=3

The ordered pair is (2,3)

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4 years ago

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sasho [114]

Use this formula: $d= \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }$

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5. d=10

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7. d=4

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4 years ago

Quation x - = Whic<br> X-5/6=2/3

Harman [31]

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3 years ago

Sam has three identical tennis balls with a diameter of 2.7 inches. Determine the volume of all three tennis balls?

melamori03 [73]

Answer:

They are 30.93 in³ altogether.

Step-by-step explanation: V = 4/3 π r³

r = 2.7/2 = 1.35

π x 1.35 x 1.35 x 4/3 = 10.31 in³

10.31 x 3 = 30.93

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3 years ago

Help with questions, I don't care if you google it

frutty [35]

Question 1:

$7.488*10^{-8}$ ÷ $3.12*10^{2}$

= $\frac{7.488*10^{-8}}{3.12*10^{2}} = 2.4* 10^{-8-2} = 2.4* 10^{-10}$

Hence, the answer is A.

Question 2:

Mass = $2.8* 10^{-11}$ grams

New mass = $2.8 * 10^{-8}$ milligrams

Question 3:

$2.085*10^{6} = 2,085,000$

Hence, the answer is C.

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3 years ago