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just olya [345]
3 years ago
15

Math need exact anwser pls!!!!!!

Mathematics
1 answer:
stiks02 [169]3 years ago
6 0
What’s the question
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Ms. Carlson has $7,145.Ms.lee has $3.799
ElenaW [278]
Okay well Ms. Carlson has more money than Ms. Lee, about $7,142.2 more than her. PART A ANSWER: Ms. Carlson. Together they have $7,148.799. to estimate it to the closest tens it would be $7,150. PART B ANSWER:$7,150
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3 years ago
Jaime went to the grocery store and bought a six-pack of soda for $1.50. How much did he pay for each soda in the pack?
Ira Lisetskai [31]

Answer:

Step-by-step explanation:

1.50 / 6

0.25

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REUPLOAD!! (Worth 10 Points Each I Believe.) (please zoom / zoom out if needed to see question. (: )
irakobra [83]
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3 years ago
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13 more than 4 times a number is negative 91 how would i find the number?
alekssr [168]
<span>13 more than 4 times a number is negative 91 

</span>Convert to numbers: 


13 more than 4: 4+13

times a number: (x)

is negative 91: = -91

Put it together: 

4x+13=-91

                   x = -26

                  



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3 years 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
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