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soldier1979 [14.2K]
3 years ago
10

Which one of the following statements expresses a true proportion?

Mathematics
1 answer:
beks73 [17]3 years ago
6 0
Answer: B
Because 3x4=12 and 5x4=20
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How many subjective functions are there from {1,2,3,4} to {1,2,3}
Ann [662]

Answer:

IM ON THE SAME ONEEE let me know when you have it

Step-by-step explanation:

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3 years ago
In a box of 720 pens,40% of the pens are blue. how many blue pens are there in the box?
romanna [79]

Answer:

<em><u>blue</u></em><em><u> </u></em><em><u>pens</u></em><em><u>=</u></em><em><u>288</u></em>

Step-by-step explanation:

<em>blue</em><em> </em><em>pens</em><em>=</em><em>720×40%</em>

<em>blue</em><em> </em><em>pens</em><em>=</em><em>720×40/100</em>

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3 years ago
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zvonat [6]
This photo is the explanation

4 0
2 years ago
The diameter of a circle is 34 yards. What is the circle's circumference?
podryga [215]
The circumference is 106.76.
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34 x 3.14 = 106.76
4 0
3 years ago
Inscribed angles math lib <br> Need help with 9 and 10 thank you!!
telo118 [61]

Answer:

54° and 110°

Step-by-step explanation:

The opposite angles of a cyclic quadrilateral are supplementary, sum to 180°

(9)

19x - 26 + 7x - 2 = 180

26x - 28 = 180 ( add 28 to both sides )

26x = 208 ( divide both sides by 26 )

x = 8

Then

∠ EFG = 7x - 2 = 7(8) - 2 = 56 - 2 = 54°

(10)

21x - 33 + 14x + 3 = 180

35x - 30 = 180 ( add 30 to both sides )

35x = 210 ( divide both sides by 35 )

x = 6

Then

∠ YVW = 14x + 3 = 14(6) + 3 = 84 + 3 = 87°

The inscribed angle YVW is half the measure of its intercepted arc YW, so

arc YW = 2 × 87° = 174°, then

arc XW = 174° - 64° = 110°

8 0
3 years ago
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