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labwork [276]
4 years ago
8

Elizabeth has two identical number cubes. Both cubes have faces numbered 1 thourgh 6. if Elizabeth rolls each cube once, what is

the probability that the sum of the two numbers on the top faces will be 10.
Mathematics
1 answer:
n200080 [17]4 years ago
7 0
I believe the answer is 4 out of 12.
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Peter ran 5 miles on Monday. He ran 7 seven miles on Tuesday. How many miles Peter ran? Use the number line to show how solve th
postnew [5]

Answer:

12

Equation: 7 + 5 = 12

(Number line is drawn)

5 0
4 years ago
Classify the system of equations
Lelechka [254]

Answer: Inconsistent.

Step-by-step explanation:

The equation of the line in Slope-intercept form is:

y=mx+b

Where m is the slope and b is the y-intercept.

Solve for y from each equation:

Equation 1:

-\frac{1}{2} x = -6 - y\\\\y-\frac{1}{2} x = -6\\\\y=\frac{1}{2} x-6

Equation 2:

3+y= \frac{1}{2} x + 4\\\\y= \frac{1}{2} x + 4-3\\\\y= \frac{1}{2} x+1

A system of equations can be classified by its number of solutions.

You can observe that the slopes of both equations are the same but the y-intercepts are different, then these lines are parallel, which means that they do not intersect.

By definition, when to lines are parallel there is NO SOLUTION and the system is classified as "Inconsistent".

5 0
3 years ago
(-x^2+3x-4)-(2x^2+x-1)
stepan [7]

Answer:

3x2 + 2x - 63x2 + 2x - 6

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Jamaal is allowed to walk no farther than three blocks in either direction from his house. If his house is located on the 57th b
Anna71 [15]

Answer:

|x – 57| = 3

Step-by-step explanation:

<u><em>let x be the farthest block to which Jamaal is allowed to walk.</em></u>

the statement “Jamaal is allowed to walk

no farther than three blocks in either direction from his house.”

<u><em>means</em></u>

the distance between the 57th block and the farthest block = 3

<u><em>means</em></u>

|x – 57| = 3

3 0
2 years ago
The function f(x) = –x2 − 2x + 15 is shown on the graph. What are the domain and range of the function? The domain is all real n
Burka [1]

Answer:

The domain is all real numbers. The range is {y|y ≤ 16}.

Step-by-step explanation:

The vertex of a parabola is given by

(\frac{-b}{2a}, \frac{4ac-b^2}{4a}).

As a = -1, b = -2, c= 15 here, then the vertex is at (1,16).

As a is negative, it opens downward, so the range is  {y|y ≤ 16}.

Meanwhile, all parabolic functions have a domain of \mathbb{R}.

4 0
3 years ago
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