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KonstantinChe [14]
3 years ago
12

Before an election: 23% said they would vote for A, 9% said they would vote for B, 20% said they would not vote. these all voted

as they said. the rest of the voters actually voted for A and B in the ratio 1:2. who got the most votes?
Mathematics
1 answer:
elena55 [62]3 years ago
6 0
It would be B because if the total population was 100 people then 23 would vote for A, and 9 would vote for B. Then, 20 people would not vote. The total number of people now is 52, so there are 48 more people left to vote and at a 1:2 ratio it would be 16:32. If you add 16 to the original 23 for A, that would equal 39 total votes for A. If you add the 32 to the original 9 for B, that would equal 41 for B. And then 20 are left over for the non-voters. Therefore, B has the most votes.
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A vertical pole 5 feet long casts a shadow of 2 feet.if at the same time a nearby tree casts a shadow of 10 feet, how tall is th
ohaa [14]
We use the proportion for this case the pole and the tree with their shadows has the same shape forming a right triangle.
We use the ratio of the two triangles and equate them as

h1/s1 = h2/s2

where
h1 and s1 are the height and the length of a shadow of the pole,
and the other h2 and s2 are for the tree

Identify all the given values.
5 ft / 2 ft = (h2) / 10 ft
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7 0
3 years ago
Positive five can also be expressed as which of the following?
Katarina [22]

Answer: The first one; Plus 5

Step-by-step explanation: The rest of the answers are all negative 5.

7 0
3 years ago
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Giselle pays $210 in advance on her account at the athletic club. Each time she uses the club, $15 is deducted from the account.
weqwewe [10]

Answer:

A.b = 210 + 15x

B.b = 210 – 15x

C.b = 195 + 15x

D.b = 195 – 15x

Step-by-step explanation

B is correct. Your starting amount is 210$ And you're taking away 15$ each time she uses the club,x.

3 0
3 years ago
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Inessa05 [86]

Answer:

A

Step-by-step explanation:

Use the quadratic formula

8 0
3 years ago
) If the pattern shown continues, how many black keys appear on a portable keyboard with 49 white keys? Suggestion: use equivale
andriy [413]

Answer:

35

Step-by-step explanation:

Here we see 5 black keys for every 7 white keys.

So the ratio is 5:7

If we need 49 white keys, find the amount we scale the original ratio by:

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So we are scaling by a factor of 7.

The number of black keys would be 5 * the scale of 7. = 35

So there should be 35 black keys.

5 0
3 years ago
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