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ale4655 [162]
4 years ago
15

Do question 1 if have time go to question 2 plz show work thx

Mathematics
1 answer:
AleksandrR [38]4 years ago
5 0
Hi
how are u in need points
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No solution, one solution, or infinitely many solutions?
ser-zykov [4K]

Answer:

Top: one solution (10, -2)

Middle: No solution

Bottom: infinite solution

Step-by-step explanation:

Top: one solution (10, -2)

Middle: No solution

Bottom: infinite solution

8 0
3 years ago
Help pleaseeee
laiz [17]

Answer:

x=15

Step-by-step explanation:

so we are given one angle 90, although x is used in both so you can add them. We know that the sum of angle measures in a triangle is 180 so the equation is: 90+6x=180

subtract 90 from both sides: 6x=90

divide by 6: x=90/6

simplify: x=15

6 0
3 years ago
Given the equation P = 2w + 2l solve for w.
bagirrra123 [75]
This equation cannot be solved to get a single number. Instead just use normal algebra skills to get the w by itself by subtracting 2l from both sides and then dividing by 2.
5 0
3 years ago
Read 2 more answers
One week Beth bought 3 apples and 8 pears for $14.50. The next week she bought 6 apples and 4 pears and paid $14. Find the cost
zalisa [80]
Let us assume the cost of 1 apple = x dollars
Let us also assume the cost of 1 pear = y dollars
Then we can form two equations from the details given in the question. Based on those details the required answer to the question can be easily deduced.
3x + 8y = 14.50
And
6x + 4y = 14
Dividing both sides of the equation by 2 we get
3x + 2y = 7
2y = 7 - 3x
y = (7 - 3x)/2
Putting the value of y from the second equation in the first equation we get
3x + 8y = 14.50
3x + 8[(7 - 3x)/2] = 14.50
3x + 4 (7 - 3x) = 14.50
3x + 28 - 12x = 14.50
- 9x = 14.50 - 28
- 9x = - 13.5
9x = 13.5
x = 13.5/9
   = 1.5
Putting the value of x in the second equation we get
6x + 4y = 14
(6 * 1.5) + 4y = 14
9 + 4y = 14
4y = 14 - 9
4y = 5
y = 5/4
   = 1.25
So we can find from the above deduction that the cost of 1 apple is 1.5 dollars and the cost of 1 pear is 1.25 dollars
Then
Cost of 2 apples = 2 * 1.5 dollars
                           = 3.0 dollars
So the cost of 2 apples is $3 and the cost of 1 pear is $1.25.
5 0
3 years ago
I ONLY HAVE 5 MINUTES TO TURN IT IJ PLEASE HELPP​
scoundrel [369]

Answer:

Step-by-step explanation:

the first one

8 0
3 years ago
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