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almond37 [142]
3 years ago
14

In the sum of two numbers is 15 and the product is 56, what are the two numbers?

Mathematics
1 answer:
IRISSAK [1]3 years ago
3 0

ANSWER:

HOPE IT HELPED YOU ☺

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4x+2y=10 <br> X-y=13 <br> Write in (x,y)
Bad White [126]

Answer:

(x = 6, y = -7)

Step-by-step explanation:

Solve the following system:

{4 x + 2 y = 10 | (equation 1)

x - y = 13 | (equation 2)

Subtract 1/4 × (equation 1) from equation 2:

{4 x + 2 y = 10 | (equation 1)

0 x - (3 y)/2 = 21/2 | (equation 2)

Divide equation 1 by 2:

{2 x + y = 5 | (equation 1)

0 x - (3 y)/2 = 21/2 | (equation 2)

Multiply equation 2 by 2/3:

{2 x + y = 5 | (equation 1)

0 x - y = 7 | (equation 2)

Multiply equation 2 by -1:

{2 x + y = 5 | (equation 1)

0 x+y = -7 | (equation 2)

Subtract equation 2 from equation 1:

{2 x+0 y = 12 | (equation 1)

0 x+y = -7 | (equation 2)

Divide equation 1 by 2:

{x+0 y = 6 | (equation 1)

0 x+y = -7 | (equation 2)

Collect results:

Answer:  {x = 6 , y = -7

5 0
3 years ago
3080.34 rounded to the nearest whole number
Allushta [10]

Answer:

3080

Step-by-step explanation:

this is because after the decimal there is a 3 and when you round with a 3 the number stays the same.

4 0
3 years ago
Read 2 more answers
Find the value of 3/4 of 10
Tpy6a [65]

Answer:

Step-by-step explanation:

7.5

4 0
3 years ago
Read 2 more answers
A cross-country team had a total of 10 practices last week, with each practice being in the morning or the afternoon. During eac
GalinKa [24]

x= morning

y = afternoon

 x + y = 10

x=10-y

5x + 6y =57

5(10-y) +6y =57

50-5y +6y =57

y=7

x=10-7 =3

 check 3*5 = 15, 7*6 = 42, 42 + 15 = 57


3 morning practices

3 0
3 years ago
What is the coefficient of y int the expression 2x4+3y
lapo4ka [179]
The coefficient of y = 3

coefficient = the constant in front of a variable
Constant means that the number will not change.


hope this helps
6 0
3 years ago
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