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Nutka1998 [239]
3 years ago
6

In a mathematics class, half of the students scored 79 on an achievement test. With the exception of a few students

Mathematics
1 answer:
Yakvenalex [24]3 years ago
3 0
In this situation, you have:
The mode is 79 (that’s the most common number).
The median is 78.5 (the middle value or the average of the two middle values, since there is an even number of test scores).
The mean is less than both of those, as it was brought down by the few scores of 49.

The means the mean will be less than median.

Answer: C
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Which of the following is a solution to the following system of inequalities?
iren2701 [21]

Option D: (0,3) is the solution to the inequalities.

Explanation:

From the given graph, we can see that the equation of the inequalities are

$y>-x+1$ and $y\leq 2 x+3$

To determine the coordinate that satisfies the inequality, let us substitute the coordinates in both of the inequalities $y>-x+1$ and $y

Thus, we have,

Option A: (1,-1)

Substituting the coordinates in $y>-x+1$ and $y\leq 2 x+3$, we get,

y>-x+1\implies-1>0 is not true.

$y\leq 2 x+3 \implies -1\leq 5 is true.

Since, only one equation satisfies the condition, the coordinate (1,-1) is not a solution.

Hence, Option A is not the correct answer.

Option B: (-4,0)

Substituting the coordinates in $y>-x+1$ and $y\leq 2 x+3$, we get,

y>-x+1\implies0>5 is not true.

$y\leq 2 x+3 \implies 0\leq -5 is not true.

Since, both the equations does not satisfy the condition, the coordinate (-4,0) is not a solution.

Hence, Option B is not the correct answer.

Option C: (3,-2)

Substituting the coordinates in $y>-x+1$ and $y\leq 2 x+3$, we get,

y>-x+1\implies-2>-2 is not true.

$y\leq 2 x+3 \implies -2\leq 9 is true.

Since, only one equation satisfies the condition, the coordinate (3,-2) is not a solution.

Hence, Option C is not the correct answer.

Option D: (0,3)

Substituting the coordinates in $y>-x+1$ and $y\leq 2 x+3$, we get,

y>-x+1\implies3>1 is true.

$y\leq 2 x+3 \implies 3\leq 3 is true.

Since, both equation satisfies the condition, the coordinate (0,3) is a solution.

Hence, Option D is the correct answer.

4 0
3 years ago
Ally bought 1/2 pound of cashews and 5/6 pound of granola. Plot the fractions on the number line. Which quantity is greater
maksim [4K]
5/6 pound of granola is greater than 1/2 pound of cashews
4 0
3 years ago
What is step 2 in the problem-solving process?
konstantin123 [22]
The answer would be B. find a relationship between what is given and what must be found.
8 0
2 years ago
6 + 3x = 12 x - 15<br> Which value for x makes this equation true: 7/3, 3/7, 5/7 , or 7/5
pentagon [3]

Answer:

x = 7/3

Step-by-step explanation:

Step 1: Write equation

6 + 3x = 12x - 15

Step 2: Solve for <em>x</em>

  1. Subtract 3x on both sides: 6 = 9x - 15
  2. Add 15 to both sides: 21 = 9x
  3. Divide both sides by 9: 21/9 = x
  4. Simplify: 7/3 = x
  5. Rewrite: x = 7/3

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

6 + 3(7/3) = 12(7/3) - 15

6 + 7 = 28 - 15

13 = 13

7 0
3 years ago
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11r-12r combining like terms
Orlov [11]
-1r. A positive smaller than another positive being subracted by a positive 
is a negative
7 0
2 years ago
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