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Harrizon [31]
2 years ago
8

Find the indicated missing value

Mathematics
1 answer:
Gwar [14]2 years ago
7 0

The answer to this is 8

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Which ordered pair makes the equation true? 2x – 8y = –4
aalyn [17]
There aer infinite numbers
to make it easier we can solve for y

2x-8y=-4
x-4y=-2
-4y=-x-2
y=(1/4)x+(1/2)
some values aer
x=0, y=1/2
x=-2, y=0
etc
8 0
3 years ago
Is(2, 5)asolutiontotheinequality 2x + 3y ≥ 20 ?
Daniel [21]

Answer:

no

Step-by-step explanation:

2x + 3y ≥ 20

Substitute the point (2,5) in for x and y and see the inequality is true

2(2) +3(5) ≥ 20

4 + 15 ≥ 20

19 ≥ 20  

This is not true, so (2,5) is not a solution

5 0
3 years ago
Read 2 more answers
2a + b = 3 and a - 3b = 5
vfiekz [6]

Answer:

a= 2 b=-1

Step-by-step explanation:

a-3b=5

or, a= 5+3b_(i)

substituting value of a in 2a+b=3,

2×(5+3b)+b=3

or, 10+6b+b=3

or, 7b=3-10

or, 7b=-7

b= -1

substituting value of b in(i),

a=5+3b

=5+3×(-1)

=5-3

=2

6 0
3 years ago
What is the first step in solving 5 + = 3?
storchak [24]

Answer:

c subtract 5 from both sides

7 0
1 year ago
The temperature fell 12°F from 46°Fto 34°F in 10 hours. how much would the temperature fall over 15 hours if the pattern continu
Stolb23 [73]
18 degrees F because 
it dropped 12 degrees=10 hours
                   x degrees=15 hours
x is what you want to find out which is how many degrees it would drop in 15 hours.
12x15 then divided by 10 is 18.
5 0
3 years ago
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