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algol [13]
3 years ago
8

What is the midpoint of the line segment with endpoints (3.2, 2.5) and

Mathematics
1 answer:
Ilya [14]3 years ago
5 0
The correct answer is D. (2.4, -1)
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Draw 2 squares. The first one should have an area of 12 square units.The second one should have an area that is DOUBLE that of t
statuscvo [17]

Step-by-step explanation:

Given the information:

  • 1st square:  12 square units
  • 2nd square: DOUBLE that of the first square = 2*12 = 24 square units

From that, we can determine the length of the side in each square:

1/ x^{2} = 12

<=> x = 2\sqrt{3}

2/ a^{2} = 24

<=> a = 2\sqrt{6}

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6 0
3 years ago
Rewrite x2 − 6x + 7 = 0 in the form (x − a)2 = b, where a and b are integers, to determine the a and b values.
Setler79 [48]

Answer:

Therefore values of a and b are

a=3\ and\ b = 2

Step-by-step explanation:

Rewrite x^{2}-6x+7=0 in the form

(x-a)^{2}=b

where a and b are integers,

To Find:

a = ?

b = ?

Solution:

x^{2}-6x+7=0 ..............Given

Which can be written as

x^{2}-6x=-7

(\frac{1}{2} coefficient\ of\ x)^{2}=(\frac{1}{2}\times -6)^{2}=9

Adding half coefficient of X square on both the side we get

x^{2}-6x+9=-7+9=2 ...................( 1 )

By identity we have (A - B)² =A² - 2AB + B²

Therefore,

x^{2}-6x+9=x^{2}-2\times 3\times x+3^{2}=(x-3)^{2}

Substituting in equation 1 we get

(x-3)^{2}=2

Which is in the form of

(x-a)^{2}=b

On comparing we get

a = 3 and b = 2

Therefore values of a and b are

a=3\ and\ b = 2

4 0
3 years ago
1. Evaluate: <br>0.234 x 10^2<br><br>​
stellarik [79]

Answer: 23.4 is the answer

3 0
3 years ago
Read 2 more answers
What is the algebraic expression for the quotient of z and 3
Zielflug [23.3K]
The quotient of z and 3.

quotient = ÷

z/3

The answer is A.
4 0
3 years ago
A wall is 12 feet high on the building is 36 centimeters high on the model. Find the height on the model of a door that is 9 fee
geniusboy [140]
The model hight for the door will be 27 centimeters 
6 0
3 years ago
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