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ICE Princess25 [194]
2 years ago
8

Evaluate 5t + 4 if t=3 PLEASE HURRY! I'M TIMED!

Mathematics
1 answer:
Wittaler [7]2 years ago
4 0
Substitute the value of the variable into the equation and simplify.
19
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Help me plzplzplzplzplz
Alona [7]
The Answer Is Negative 3
7 0
2 years ago
Read 2 more answers
Tickets to the zoo cost $14 for adults and $10 for children. A group of 12 people went to the zoo, and the tickets cost $140. Th
hjlf
 x is the number of adults and y is the number of children.
   x + y = 12
<span>14x + 10y = 140
lets multiply the first equation by -10 and then add it to the second equation:
-10x - 10y = -120
</span>14x + 10y = <span>140
</span>-----------------------
4x + 0 = 20
x = 20/4
x = 5
then substitute in the original equation:
x + y = <span>12
</span>5 + y = <span>12
</span>y = 12 - 5
y = 7
therefore there were 5 adults and 7 children
8 0
3 years ago
A line passes through the point (5,-11) and has a slope of -2 Find an equation of this line.
Vsevolod [243]

Formula: y = mx + b

m being the slope

Slope given: -2, plug it in

Y = -2x + b

Now find y intercept (b)

Plug in the point (5,-11)

-11 = -2(5) + b

-11 = -10 + b, b = -1

Solution: y = -2x -1

5 0
3 years ago
Find the perimeter.Simplify your answer.
AnnZ [28]

Answer:

20c+14

Step-by-step explanation:

To find the perimeter we have to add up all the sides

4c+6c+7+4c+6c+7

Combine light terms

20c+14

7 0
2 years ago
Read 2 more answers
Is the work shown below correct? Explain your answer.
riadik2000 [5.3K]
(11 + 21) - ( 3 - 100 )
= 32 + 97
= 129

or (11+21)-(3+100)
= 32 - 103
= - 71


I have no idea about your topic but hope it's right! Good luck
8 0
3 years ago
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