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iren [92.7K]
3 years ago
8

70 students per 2 teachers

Mathematics
2 answers:
Aleks04 [339]3 years ago
7 0

Answer:

35

Step-by-step explanation:

70/2 is 35 therefore there is 35 students per teacher. Please mark brainliest

Elan Coil [88]3 years ago
5 0

Answer:

35 students per 1 teacher

Step-by-step explanation:

if its not right im sorry

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Answer: 42 students are in the musical

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3 years ago
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You have 30,016 grams of radioactive kind of
Ostrovityanka [42]

Answer:

15,008 grams

Step-by-step explanation:

You have 30,016 grams of radioactive kind of rubidium. How much will be left after 54 minutes if its half-life is 18 minutes? 15,008 grams.

4 0
3 years ago
What is the difference between these fractions?<br><br> +3/4−(+7/8)
Ket [755]

Answer:

1/8

Step-by-step explanation:

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The points P and Q in the following figure define the line segment (PQ⎯⎯⎯⎯⎯) P Q . The steps involved in using a compass to cons
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mathisfun.com/geometry/construct-linebisect.html

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3 0
3 years ago
a 400 g of a liquid of density 1.6g/cm3 is made from mixing liquids of density 1.2g/cm3 and 1.8g/cm3 find the mass of the liquid
gogolik [260]

Answer:

133.33g

Step-by-step explanation:

Let the:

Mass of 1.2g/cm³ of liquid = x

Mass of 1.8g/cm³ of liquid = y

From our Question above, our system of equations is given as:

x + y = 400........ Equation 1

x = 400 - y

1.2 × x + 1.8 × y = 1.6 × 400

1.2x + 1.8y = 640..... Equation 2

We substitute, 400 - y for x in Equation 2

1.2(400 - y) + 1.8y = 640

480 - 1.2y + 1.8y = 640

- 1.2y + 1.8y = 640 - 480

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y = 160/0.6y

y = 266.67 g

Solving for x

x = 400 - y

x = 400 - 266.67g

x = 133.33g

Therefore, the mass of the liquid of density 1.2g/cm³ is 133.33g

7 0
3 years ago
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