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maria [59]
3 years ago
15

A team digs 12 holes every 20 hours. How many holes do they dig per hour?

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
7 0

Answer:

Step-by-step explanation:

12 / 20 = 0.6 holes per hour

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the mean height of the team is 200.3 .a new player joins and raises the mean average height to 201cm. work out the height of the
ivann1987 [24]

Question

The table shows the heights in a basketball team.

Height: 198, 199, 200, 201, 202

a.) Work out the mean height of the team. Round you answer to 1d.p.

That, I have worked out is 200.3

b.) A new player joins the team and raises the mean average height to 201cm. Work out the height of the new player.

Answer:

206 cm

Step-by-step explanation:

The sum of the fiven numbers, 198+199+200+201+202=1000

For a mean of 201, the product should be 201*6=1206

The difference of the two is equivalent to the height of the other person hence 1206-1000=206 cm

Therefore, the height is 206 cm

8 0
3 years ago
A biologist is studying the composition of birds on a lake and counts 61 ducks, 17 geese, 11 cranes, 15 swans, and 6 herons. Fro
Klio2033 [76]

Answer:

Expected counts: 55 ducks, 25 geese, 13 cranes, 11 swans, 6 heron

Observed counts:

61 ducks, 17 geese, 11 cranes, 15 swans, and 6 herons.

Step-by-step explanation:

There are 61+17+11+15+6 = 110 birds on the lake.

The expected counts are:

0.50*110 = 55 ducks

0.23*110 = 25 geese

0.12*110 = 13 cranes

0.10*110 = 11 swans

0.05*110 = 6 herons

What the biologist counted were the observed counts.

7 0
3 years ago
Which polynomial is in standard form?
dedylja [7]
I do believe it’s the first and third option that are correct as for standard form you go from left to right starting with the highest exponent to the lowest and constantes will always be on the right side
7 0
3 years ago
Where is the circumcenter of any given triangle?
Salsk061 [2.6K]

The <em>correct answer</em> is:


B) the point of concurrency of the perpendicular bisectors of the sides of the triangle


Explanation:


The definition of circumcenter is "the point of intersection of the perpendicular bisectors of a triangle."


To construct the circumcenter, we first construct the perpendicular bisector of each side of the triangle. Once we have these three lines, we find their point of intersection; this is the circumcenter.

4 0
3 years ago
Read 2 more answers
What expression is not equal to one fourth of 52?<br> a. 0.25×52b. 4% of 52c. 52÷4d. 52/4
patriot [66]
4% of 52, since that's 4/100 x 52, not one fourth of it
8 0
3 years ago
Read 2 more answers
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