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gizmo_the_mogwai [7]
3 years ago
9

The data below represent the number of desks in each math teacher's classroom

Mathematics
1 answer:
Yuki888 [10]3 years ago
7 0

Answer:D

Step-by-step explanation:

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Linear question A:y=3x
posledela

Answer:

C

Step-by-step explanation:

20/5 = 4

28/7 = 4

36/9 = 4

The slope is 4, not 8 so therefore, the answer is C

5 0
3 years ago
Does anyone know how to do this
pickupchik [31]
You just add or subtract from the x and y
4 0
3 years ago
Solve the equation 3/x-4=1/5​
rosijanka [135]

Answer:

The very first thing we want to do in this equation is to isolate x on one side (preferably the left side).

3/x - 4 = 1/5

We get rid of any constants first, by performing the inverse property;

The inverse property of subtraction is addition, so we add 4 to both sides:

+4        +4

3/x = 4 1/5

3 is being divided by x, so the inverse operation of division is multiplication. So we multiply by 1/3 on both sides.

x1/3    x1/3

X = 1 4/10 which simplifies to 1 2/5.

7 0
2 years ago
(x - 3)2 + (y + 2)2 = 4​
vazorg [7]
As a function this is x=3 y=3
4 0
4 years ago
Read 2 more answers
According to a random sample taken at 12​ A.M., body temperatures of healthy adults have a​ bell-shaped distribution with a mean
mrs_skeptik [129]

Answer:

There are 89% of healthy adults with body temperatures that are within 3 standard deviations of the​ mean

The minimum value that is within 3 standard deviations of the mean is 96.57.

The maximum value that is within 3 standard deviations of the mean is 100.11.

Step-by-step explanation:

Chebyshev's theorem states that a minimum of 89% of the values lie within 3 standard deviation of the mean.

So

Using​ Chebyshev's theorem, what do we know about the percentage of healthy adults with body temperatures that are within 3 standard deviations of the​ mean?

There are 89% of healthy adults with body temperatures that are within 3 standard deviations of the​ mean.

What are the minimum and maximum possible body temperatures that are within 3 standard deviations of the​ mean?

We have that the mean \mu is 98.34 and the standard deviation \sigma is 0.59. So:

Minimum

Mi = \mu - 3\sigma = 98.34 - 3(0.59) = 96.57

Maximum

Ma = \mu + 3\sigma = 98.34 + 3(0.59) = 100.11

8 0
3 years ago
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