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Novay_Z [31]
3 years ago
14

Which ordered pairs are solutions to the equation 2x + 10y = 12?

Mathematics
2 answers:
White raven [17]3 years ago
5 0
A pair could be (4,2/5)
vovangra [49]3 years ago
4 0

Answer:

(4,2/5) (−5,11/5)

Step-by-step explanation:

To determine which pairs are solutions, substitute the coordinates into the left side of the equation and if equal to the right side then they are solutions.

(7, - 2)

2(7) + 10(- 2) = 14 - 20 = - 6 ≠ 12 → (7, - 2) is not a solution

(- 5, - 4)

2(- 5) + 10(- 4) = - 10 - 40 = - 50 ≠ 12 → (- 5, - 4) is not a solution

(4,  )

2(4) + 10() = 8 + 4 = 12 → hence solution

(- 5,  )

2(- 5) + 10( ) = - 10 + 22 = 12 → hence solution

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A car is traveling at a steady speed. It travels 1 3/4 miles in 2 1/3 minutes. how far will it travel in 21 minutes? in 1 hour?
GaryK [48]

Answer:

Step-by-step explanation:

1¾ miles/(2⅓ minutes) = (7/4 miles)/(7/3 minutes) = ¾ mile/minute

21 minutes × ¾ mile/minute = 15.75 miles

60 minutes × ¾ mile/minute = 45 miles

8 0
3 years ago
I wish have someone to help me plz.
polet [3.4K]
You need to make both numbers the same denominator (bottom number). Do this by multiplying. So for the first question you need 15 as the denominator. 3x3=9 5x3=15 first one is 9/15. Then its 1x5=5 and 3x5=15. Then you add 9+5 to get 14. The denominator stays the same. 14/15. This cannot be reduced. If reduced, you would be able to divide both numbers by the same number.
1. 14/15
2. 5/6
3. 1/2
4. 13/24
5. 13/24
6. 9/10
7. 5/9
8. 11/35
9. 5/8
10. 1/2
6 0
2 years ago
Name
Anvisha [2.4K]

Answer:

4x+8

6x-8

48x^2+30x-4

Step-by-step explanation:

a) 4(x + 2)=4x+8

b) 2(3x - 4)  =6x-8

c) 4(3 - 6x) 2x + 18-2(2 – 3x)  

=(12-24x)2x-4+6x

=24x-48x^2-4+6x

=-48x^2+30x-4

4 0
3 years ago
What transformation is described by the
spayn [35]

Answer:

Step-by-step explanation:

Any alteration to the x value means that the function will move right. There are no exceptions to this that  I can think of.

8 0
2 years ago
PLEASE HELP QUICK 3t-2=-11
valentina_108 [34]
-3
step by step
add 2 to -11 and divide-9 by 3
5 0
3 years ago
Read 2 more answers
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