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Deffense [45]
3 years ago
15

Find the value of each expression

Mathematics
2 answers:
wariber [46]3 years ago
5 0
9 + 3 - 5
9 + 3 = 12
12 - 5 = 7
ValentinkaMS [17]3 years ago
5 0
9+3=12
12-5=7
That is a answer
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HELLLPP ME PLEASSEEE!!!!!
antoniya [11.8K]

The similar circles P and Q can be made equal by dilation and translation

  • The horizontal distance between the center of circles P and Q is 11.70 units
  • The scale factor of dilation from circle P to Q is 2.5

<h3>The horizontal distance between their centers?</h3>

From the figure, we have the centers to be:

P = (-5,4)

Q = (6,8)

The distance is then calculated using:

d = √(x2 - x1)^2 + (y2 - y1)^2

So, we have:

d = √(6 + 5)^2 + (8 - 4)^2

Evaluate the sum

d = √137

Evaluate the root

d = 11.70

Hence, the horizontal distance between the center of circles P and Q is 11.70 units

<h3>The scale factor of dilation from circle P to Q</h3>

We have their radius to be:

P = 2

Q = 5

Divide the radius of Q by P to determine the scale factor (k)

k = Q/P

k = 5/2

k = 2.5

Hence, the scale factor of dilation from circle P to Q is 2.5

Read more about dilation at:

brainly.com/question/3457976

8 0
2 years ago
a room measures 16'x13' with 9' ceilings and 2 doors measuring 20 sf each and leaving an overhand of 3" on each side. what are d
jeka57 [31]
<h3>Answer:</h3>

208 ft²

<h3>Explanation:</h3>

Generally, carpet covers the entire floor area, so the ceiling height and door area are irrelevant. The floor area is the product of its length and width.

... floor area = (16 ft)×(13 ft) = 208 ft²

_____

If your 3" overhang has to do with carpeting the floor, then the required area would seem to be (16.5 ft)×(13.5 ft) = 222.75 ft².

5 0
3 years ago
in alska the colderst temprauter ever recorded is -80 that is much colder than in hawil where the coldest temperature is 15
Papessa [141]

Answer: What are we supposed to do ???

6 0
3 years ago
Which of the following expressions has 3 terms?<br><br> A 8x + y - z<br> B xyz<br> C y3 + 1
Alja [10]
Since C only has two and although it may look like B has three terms, when the letters are joined together like that they are basically just become one big term, so your answer would be A.
5 0
4 years ago
Read 2 more answers
Circle 1 is centered at (−4, 5) and has a radius of 2 centimeters. Circle 2 is centered at (2, 1)
Butoxors [25]
X+6, y-4, scale factor of 3
8 0
3 years ago
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