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Liula [17]
2 years ago
13

What is the solution to this system?

Mathematics
1 answer:
blondinia [14]2 years ago
4 0
Answer: (-1, -7)

Mhmmmmmmmm
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Emily went to the movie theater for her birthday. A mix of adults and children attended, making a total of 22 people. Each adult
viktelen [127]

Answer:

13 children and 9 adults if the total cost is $152.5

Step-by-step explanation:

Let x children and y adults

x + y = 22 (1)

5.5x + 9y = 125.5 (2)

y = 22 - x

5.5x + 9(22 - x) = 125.5

5.5x + 198 - 9x = 125.5

-3.5x = 125.5 - 198

-3.5x = -72.5

x = 20.7

y = 22 - x = 1.3

Which is not possible

If the total cost is $152.5

x + y = 22 (1)

5.5x + 9y = 152.5 (2)

y = 22 - x

5.5x + 9(22 - x) = 152.5

5.5x + 198 - 9x = 152.5

-3.5x = 152.5 - 198

-3.5x = -45.5

x = 13

y = 22 - 13 = 9

3 0
3 years ago
Help plz 30 points!!
egoroff_w [7]
It is A. We have a ratio of

900 workers : 3.2×10⁵

Dividing by 9×10² becomes

1 worker :\frac{3.2}{9} ×10³

3.2/9 is just 0.36 rounded so it is

1 worker : 0.36×10³

or A
5 0
3 years ago
Read 2 more answers
Half the sum of seven and w?
swat32

Answer:

3.5w

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
I need answer. Please help me.​
Vanyuwa [196]

I think it’s positive. As it gets heavier, the cost has a positive slope, or increases. I’m not absolutely sure though

6 0
3 years ago
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What is the value of x in the problem ?
Elis [28]

Answer:

The x angle is 112 degrees

Step-by-step explanation:

<u>Step 1:  Find the adjacent angle to 134 </u>

134 + w = 180

w + 134 - 134 = 180 - 134

w = 46

<u>Step 2:  Find the last angle inside the triangle </u>

46 + 22 + x = 180

68 + x = 180

x + 68 - 68 = 180 - 68

x = 112

Answer:  The x angle is 112 degrees

4 0
3 years ago
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