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Wittaler [7]
3 years ago
13

2 - X<-7 (x > 9)solve and graph​

Mathematics
1 answer:
NARA [144]3 years ago
5 0
Use Photomath it graphs too
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The volume of a cube is 125 Ft³ what are the dimensions of the cube?
Nikolay [14]

Answer:

the sides are 5ft long

Step-by-step explanation:

since it is a cube we know each side is the same and the cube root of 125 is 5

8 0
1 year ago
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For which values of k does the system of linear equations have zero, one, or an infinite number of solutions? [Note: not all thr
viktelen [127]

Answer:

The system has an infinite solution at k = 6, otherwise for any value of k, it has zero solution.

Step-by-step explanation:

Consider the system of linear equations:

3x_{1} -x_{2}=2\;\;\;\;\;\;(1)\\ 9x_{1} -3x_{2}=k\;\;\;\;\;(2)

The system of linear equations can have zero, one, or an infinite number of solutions:

simplify equation (1):

x_{2}=3x_{1} -2

substitute in equation (2), we get

9x_{1} -3(3x_{1}-2)=k\\9x_{1} -9x_{1}+6=k\\0+6=k

we cannot find the value of x_{1} and x_{2}.

so, there is no solution.

Multiply the equation (1) with 3 and put k is 6,

3(3x_{1} -x_{2})=3\times2\\9x_{1} -3x_{2})=6

it means both equations are overlapped. Then, the solution has infinite solutions.

Hence, the system has an infinite solutions at k is 6 otherwise for any value of k it has no solution.

4 0
3 years ago
How does writing a function rule as an equation help you solve problems with more than one situation or parameter?
Paha777 [63]
Because then you can replace the variables with the actual value and see of the equation is true.
7 0
3 years ago
Write 4x10 to the power of 6 in decimal notation.
Inga [223]

Answer:

Since the exponent of the scientific notation is positive, move the decimal point 66 places to the right.

4000000

5 0
3 years ago
The answer to the problem
kotegsom [21]
37.01 for Jayna.
36.91 for Myriam.
36.78 for Riley.
3 0
3 years ago
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