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stiv31 [10]
3 years ago
15

Find the solution to the system of linear equations 2×-4y=-10 -2x-y=0

Mathematics
1 answer:
Travka [436]3 years ago
3 0

Answer:

If you are saying that the first equation is: 2*-4y=-10, then the answer is x is -5/8, and y is 5/4.

If the first equation is 2x - 4y = -10, x is -1 and y is 2.

Second equation stays the same.

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Mr. Lou paid $150.00 for 60 square
wariber [46]

Answer:

$600!

Step-by-step explanation:

First, to find out how much it is per square foot, divide the cost by the amount he paid for (150/60). This comes to 2.5. So $2.50/square foot. However, we need to know how much he will pay for 240 more square feet. So multiply 2.5 by 240 and you get 600. So, for 240 square ft more roofing, Mr. Lou would pay an additional $600. Hope this Helps!

7 0
3 years ago
3 yards per second. How many miles per hour
Alexxx [7]
Carmel Indiana to in the answer is the size is 200 or 3 100 mm you can make it into ur so make it more easy app is there for you thanks a million I have a great day
5 0
4 years ago
Can I have help I am stuck on this problem It would mean the world if u helped me and tysm!! =-)
Marianna [84]

9514 1404 393

Answer:

   10·2^-8 grams

Step-by-step explanation:

The each day, the initial amount for that day is multiplied by 1/2. After 8 days, the initial amount has been multiplied by (1/2)^8, where the exponent of 8 signifies that (1/2) is a factor 8 times in the product.

After n days, the quantity remaining is ...

  q(n) = 10·(1/2)^n = 10·2^(-n)

after 8 days the remaining amount is ...

  q(8) = 10·2^-8 . . . grams

4 0
3 years ago
Question 3
Yuliya22 [10]

Answer:

Median and Mode.

Step-by-step explanation:

The data could be represented in table form in ascending order as:

 <u>Number of meals</u>                      <u> Frequency</u>

      2                                                     2

       3                                                     3

       4                                                     2

       19                                                    1`

On the basis of the data now we find the mean, median and mode:

Mean= average of the data

Mean=\dfrac{2\times 2+3\times 3+4\times 2+19\times 1}{2+3+2+1}=\dfrac{40}{8}=5

Hence mean is 5.

Median is the central tendency of the data

on looking at our data we see that the Median=3.

also the mode of the data is the entry corresponding to the highest entry.

Hence the highest frequency is 3 and the corresponding value is 3.

Hence, Mode=3

Hence, the most appropriate measure of center for this situation is :

Median and Mode.

4 0
3 years ago
Plz help im an idiot
MrMuchimi

Answer:

3.)138

4.) 149

Step-by-step explanation:

you add the two inside measures together.

5 0
3 years ago
Read 2 more answers
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