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zimovet [89]
3 years ago
10

What is -7x+3y=-24+7x -2x+5y=-11

Mathematics
1 answer:
Anastaziya [24]3 years ago
7 0
-7x+3y=-24+7x-2x+5y
-7x+3y=5x+5y-24
-12x-2y=-24

-7x+3y=-11

-36x-6y=-72
-14x+6y=-22
-50x=-94
Okay well I did something wrong
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Jocelyn estimates that a price of wood measures 5.5 cm. If it actually measures 5.62 cm, what is the percent error of Jocelyn's
vladimir1956 [14]

Answer:

The percent error of Jocelyn's estimate is 2.14 .

Step-by-step explanation:

Formula

Percentage\ error = \frac{Error\times 100}{exact\ value}

Where

error = \left | approx\ value - exact\ value \right |

As given

Jocelyn estimates that a price of wood measures 5.5 cm.

If it actually measures 5.62 cm.

approx value =  5.5 cm

exact value = 5.62 cm

Put in the error formula

error = \left | 5.5 - 5.62 \right |

error = \left | -0.12\right |

error = 0.12

Put in the formula

Percentage\ error = \frac{0.12\times 100}{5.62}

Percentage\ error = \frac{12}{5.62}

Percentage error = 2.14 (Approx)

Therefore  the percent error of Jocelyn's estimate is 2.14 .

4 0
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Answer:

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Step-by-step explanation:

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3 years ago
Use Liam DeWitt's Flash Card statement and the credit calendar for Exercises a-e.
Leno4ka [110]

The answers for this task are gotten in most cases by Careful Observation of Liam DeWitt's Bank Account Information.

<h3>What is a Bank Account Information?</h3>

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That is (241.66 * 19.8)/365 = 13.11%

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8 0
2 years ago
The difference between two numbers is 12. Four times the larger number decreased by 25 equals 48 increased by 3 times the smalle
Lostsunrise [7]

Step-by-step explanation:

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The difference between two numbers is 12.  Three times the larger number is seven times the smaller.  What are the two numbers? 

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Expert Answers info

JEEW-M  | CERTIFIED EDUCATOR

Let us say the two numbers are x and y and x>y.

The data we have are;

Difference between the numbers are 12.

3 times larger number is equal to 7 times smaller number.

Then we can write;

 ----(1)

 ----(2)

 

From (1) we can say 

Then substituting  to (2) gives;





      

        

 

Then;





7 0
3 years ago
What would be the equation for this and the answer
atroni [7]

Answer:

The answer is k=61-26

Step-by-step explanation: This is because if you were to subtract 61 from 26 you will get 35. If you take 35 and add it to 26 you will get 61.

4 0
3 years ago
Read 2 more answers
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