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galina1969 [7]
3 years ago
7

There are 8 teachers and 4 students how many people are there total?

Mathematics
1 answer:
Elina [12.6K]3 years ago
5 0

Answer:

12 people

Step-by-step explanation:

We have to take to total amount of teachers, which is 8 and add the total amount of students, which there are 4 of. 8+4 is 12, so there are 12 people in total.

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Identify the independent and dependent variables in the following situation Julie notices that her plant grows one inch for ever
LUCKY_DIMON [66]

Answer:

Independent variable: amount of water

Dependent variable: growth of the plant

Step-by-step explanation:

In the statement "Julie notices that her plant grows one inch for every liter of water that it receives" it is implied that the growth of the plant is related proportionally to the amount of water it receives.

We know the amount of growth in function of the amount of water

The dependant variable, the result, is the growth of the plant.

Then, the independent variable is the amount of water, as it is the input to calculate the amount of growth.

4 0
3 years ago
In triangle XYZ, angle Y = 45º and angle Z = 60º. If XZ = 4, then what is XY?
Katena32 [7]

Answer:

XY = 4.9

Step-by-step explanation:

Given

XZ= 4

\angle Y = 45

\angle Z = 60

Required

Determine the measure of side XY

To do this, we make use of sine law. This is as follows:

\frac{a}{\sin\ A} = \frac{b}{\sin\ B} = \frac{c}{\sin\ C}

In this case:

\frac{4}{\sin(45)} = \frac{XY}{\sin(60)}

Cross Multiply

XY * \sin(45) = 4 * \sin(60)

XY * 0.7071 = 4 * 0.8660

Make XY the subject

XY = \frac{4 * 0.8660}{0.7071}

XY = \frac{3.4640}{0.7071}

XY = 4.89888276057

XY = 4.9 -- <em>approximated</em>

3 0
3 years ago
Find the equation of the line that has slope -5 and passes through the point (1,-7)
RUDIKE [14]

Answer: y=-5x-2

Step-by-step explanation:

5 0
3 years ago
A car cruises at a constant rate of 55 miles per hour. How much time will it take to go to 715 miles?
Verizon [17]
To get the answer, all you have to do is 715 ÷ 55 which equals 13 (hours)
3 0
3 years ago
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kirill [66]

Answer:

565647393

Step-by-step explanation:

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Just returning the favor.

3 0
3 years ago
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