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Oksana_A [137]
3 years ago
10

A) how many 15-year old students took part in the survey?

Mathematics
1 answer:
trapecia [35]3 years ago
8 0

Answer: 60 or something near that sorry if wrong

Step-by-step explanation:

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Maya is helping a gardener plant 300 bulbs. They plant 20% of the bulbs on Monday and 30% of the bulbs on Tuesday. Maya says thi
Katyanochek1 [597]

Answer:

because the total is 300 not 100 so 50 is not reasonable because that is the percentage they planted and since it is more than 100 then it should be a percent of 300 not 100. Maya is wrong about placing 50 bulbs instead they placed 150.

Step-by-step explanation:

8 0
2 years ago
$32 is 8% of what amount?
e-lub [12.9K]

Answer:

$32 is 8% of 400

Step-by-step explanation:

Have a good day :)

4 0
3 years ago
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A board with a length of 15 feet is leaning against a vertical wall at a point that is 12 feet above the ground. The angle that
Ivan

Answer:

In fact, the AB could be calculated in a quickest way, using Pythagorean theorem. In here, we try to use the property of trigonometry to work out AB.

Before applying trigonometry, in this right triangle we can calculate the remaining angle C:

C = 180 - 90 - A = 180 - 90 - 53.13 = 36.87 deg

We can use cosine formula, but here we use the sine formula for the sake of convenience. We have:

sine(angle measure) = ratio of opposite side over hypotenuse

In detail, sineC = AB/BC

Then, we have: AB = BC x sineC = 15 x sin(36.87 deg) = 9.000002 = ~9 ft

Hope this helps!

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8 0
2 years ago
P+7+(3m+1)+2(m+p) simplify the expression
lukranit [14]
P+5m+2p+8

I believe.

Simply apply the rule of distributive property.
3 0
2 years ago
Barbara sells iced tea for $1.49 per bottle and water for $1.25 per bottle. She wrote an equation to find the number of drinks s
aleksley [76]

The equation should have been written as 1.25x+1.49y=100.

The error made in the first equation was that Barbara did not include a variable next to the term 1.49. Since the ice tea is sold for $1.49 per bottle, a variable should be included to represent however many bottles of iced tea she sold.

6 0
3 years ago
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