3 years ago

9/7 as a mixed number

Mathematics

1 answer:

kvv77 [185]3 years ago

7 0

Subtract 7 from 9. You get 2. It is the "extra". The answer, therefore is 1 2/7

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At a point on the ground 20 feet from a building, a surveyor observes the angle of inclination to the top of the building to be

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Answer:

34.64 ft

Step-by-step explanation:

Distance from the building = 20 ft

Angle of inclination = π/3 radians

The tangent of the angle of inclination must equal the height of the building divided by the distance of the observer from the building:

$tan( \pi/3) = \frac{h}{20} \\h = 20*1.73205\\h=34.64\ ft$

The building is 34.64 ft tall

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At Pizza Pi, 40% of the pizzas made last week had extra cheese. If 8 pizzas had extra cheese, how many pizzas in all were made l

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20 pizzas.

Step-by-step explanation:

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The correct answer is 427

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Your class hopes to collect at least 325 cans of food for the annual food drive. there were 135 cans donated the first week and

vampirchik [111]

They have collected $135+89=224$ cans until now. To equal 325, they need $325-224=101$ cans more.

Let C be the number needed to equate atleast 325.

$135+89+C\geq 325$

If we solve the inequality in part A, we can find minimum number of C to meet the goal of 325 cans.

$135+89+C\geq 325\\224+C\geq325\\C\geq325-224\\C\geq101$

So they need minimum 101 to complete the target and more than that to surpass.

ANSWER: 101 cans are needed to meet the goal and more than that to surpass the goal.

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