3 years ago

I need help on 1-6. Please

Mathematics

1 answer:

Akimi4 [234]3 years ago

3 0

There's no pic or worksheet!!

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Which is a valid proportion A.) 3/4=21/28 B.) 5/6=29/30 C.) 4/7=16/49 D.) 2/5=12/15

Neporo4naja [7]

The correct answer would be A) 3/4=21/28

Explanation: 3 x 7=21; 4 x 7=28. None of the other answer choices demonstrate a proportion. Hope this helps:)

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3 years ago

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A central angle measures 270 degrees . If the radius of the circle is 12 cm , what is the length of the arc intercepted by the c

ahrayia [7]

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12 R cm

Step-by-step explanation:

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Trip has 15 coins worth 95 cents four coins are worth twice as much as the rest . Construct a math argument to justify the conje

taurus [48]

11+11+11+11+11+10+10+10+10=95

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3 years ago

An iPod sold for $300, which was 200% of the actual cost. What was the actual cost?

fgiga [73]

Answer:

If $300 is 200%, half of that would be 100%. Thus, $150 is the correct answer.

Step-by-step explanation:

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3 years ago

. A pitcher’s mound on a women’s softball field is 43 feet from home plate and the distance between the bases is 60 feet. How fa

butalik [34]

Answer:

42.43 ft

Step-by-step explanation:

Please find attached an image of the softball pitch

h² = p² + f² -2x p×f×cos45

h² = 43² + 60² - 2x (43)(60) x 0.7071

h² = 1849 + 3600 - 3648.636

h² = 1800.364

h = √1800.364

h = 42.43 feet

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3 years ago