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kondor19780726 [428]
3 years ago
11

Okkkkkkkkkkkkkkkkkkkkkkkk

Mathematics
2 answers:
Makovka662 [10]3 years ago
7 0
C is the correct answer to the problem
kirza4 [7]3 years ago
4 0
2x+3y=17 --- 1
3x+6y=30 --- 2
x+2y=10
x=10-2y --- 3
Sub 3 into 1,
2(10-2y)+3y=17
20-4y+3y-17=0
3-y=0
y=3 --- 4
Sub 4 into 3,
x=10-2(3)
x=4

Therefore, Answer is (4,3).
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I don't want the answer, I want to know how to do it. What is the ratio of 4/5 to 7/15?
Ostrovityanka [42]

Answer:

\displaystyle 1\frac{5}{7}

Step-by-step explanation:

\displaystyle \frac{4}{5} \div \frac{7}{15} = \frac{4}{5} \times \frac{15}{7} = \frac{60}{35} = 1\frac{5}{7}

I can assist whenever I can.

6 0
3 years ago
The mean of the data set is 15.What number is missing? 9,12,16,18,23
maxonik [38]

The number 12 is missing in the data set.

<u>Step-by-step explanation</u>:

  • The numbers are 9,12,16,18,23.
  • The missing number is assumed to be 'x'

Mean = Sum of the integers / Total number of integers.

15 = (9+12+16+18+23+x) / 6

15 = (78+x) / 6

90 = 78+x

x = 90-78

x = 12

3 0
3 years ago
If a randomizer picks seven letters from the alphabet (with repeats allowed), how many possible outcomes are there?
Virty [35]

Answer:

7×26=182

Step-by-step explanation:

I'm pretty sure that's the right answer but I just multiplied 26 by 7. Hope that helped!

7 0
3 years ago
6.4−2.4÷0.1= what (Enter your answer in as a decimal please.)
mamaluj [8]
The answer would be -17.6.

Simplify 2.4 divided by 0.1 to 24 ( 6.4 - 24 )

Simplify ( -17.6 ).

3 0
3 years ago
Please help with 1. I am confused
d1i1m1o1n [39]
It would be 9, 9 1/2, 10, and 10 1/2. I think.
4 0
3 years ago
Read 2 more answers
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