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Tcecarenko [31]
3 years ago
12

3x+2y=0 x-5y=17 Solving system using elimination

Mathematics
1 answer:
horsena [70]3 years ago
6 0
(2,-3) is the answer

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PLEASE ANSWER
statuscvo [17]
Answer: B) 2

Detailed Answer:

The degree of a polynomial is the highest power in the polynomial. Here the highest power is 2 hence the degree is 2. Polynomials with the degree 2 are also called quadratic polynomials.
8 0
2 years ago
Zara has forgotten her 4-digit PIN code.
djverab [1.8K]
800 different sets of digits


Since the first digit is a factor of 20, the factors of 20 are 1,2,4,5,10,20. We only need the single digit factors which are 1,2,4 and 5. These 4 numbers can be permuted in 1 way for the first digit, so we have ⁴P₁.
For the second digit, we have 10 digits permuted in 1 way, ¹⁰P₁ and also for the third digit, we have 10 digits permuted in 1 way, ¹⁰P₁ and for the last digit, which is divisible by 5, it is either a 0 or 5, so we have two digits permuted in 1 way, ²P₁.
So, the number of different 4 digit number that Zara'2 4-digit PIN code could be is ⁴P₁ × ¹⁰P₁ × ¹⁰P₁ × ²P₁ = 4 × 10 × 10 × 2 = 800 different sets of digits
4 0
3 years ago
Read 2 more answers
Which does Not round to 200? <br> 163<br> 266<br> 150<br> 221
Gwar [14]

Answer:

266

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
List price List price: Divide 7434 items between four people, A,B,C and D in the proportions: 3:6:8:4. How many items do B and D
Dafna1 [17]

Answer:

B  2124

D 1416

Step-by-step explanation:

Take the ratio

A    B    C      D      Total

3     6     8    4         21            (3+6+8+4 = 21)

B gets 6 out of every 21 items

Take that fraction times the total items

6/21 * 7434 = 2124

D gets 4 out of every 21 items

Take that fraction times the total items

4/21 * 7434 = 1416

3 0
3 years ago
Read 2 more answers
This is not an incomplete question, it has come from a very reliable source, please dont delete. If 60% of the students in Mr. B
nika2105 [10]

Answer:

35 students

Step-by-step explanation:

Take the number of students in the class and multiply by 60% and see if you get an integer number

28 * .60 =16.8  not an integer

32 * .6 =19.2

35 * .6 =21  yes

39*.6 =23.4

7 0
3 years ago
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