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lilavasa [31]
4 years ago
8

Substitution Property of Equality

Mathematics
2 answers:
solong [7]4 years ago
6 0
B) 7x -5=11, you are substituting the given y-value in the equation
zzz [600]4 years ago
4 0

Answer:

B. 7x-5 = 11

Step-by-step explanation:

you're putting -5 instead y in equation 7x+y = 11 so 7x+(-5) =11

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I need help please and thank you
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6 0
3 years ago
A truck traveled 205 miles in 3/12 hours. The distance is the product of the rate and the time. To the nearest tenth, what is th
Rufina [12.5K]

Distance = rate*time, or

distance = (average speed)* time, so

average speed = distance/ time.

average speed = 205 mi / (3/12) h = 205 mi/ (1/4)h = 205*4 mi/h=

= 820 mi/h

It is looks to high for speed of the truck,

probably time should be 3.12 h,

then

average speed = 205 mi / (3.12) h ≈ 65.71 mi/h.

That looks close to real life.



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vichka [17]
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4 years ago
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Dima020 [189]

-5n+9n^2

simplify expression ^

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3 years ago
What is the solution to 1-(2x+4)=-4x+5
faust18 [17]
Solve for x by simplifying both sides of the equation, then isolating the variable.
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Read 2 more answers
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