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uranmaximum [27]
3 years ago
9

What is the value of n=9x12+3x25-8

Mathematics
2 answers:
Law Incorporation [45]3 years ago
8 0
Multiply 9x12
which makes its turn into
n=108+3x25-8
Then multiply 3x25
which makes it turn to
n=108+75-8

Calculate the sum or difference
Answer : n=175
Sophie [7]3 years ago
7 0

Answer:

175

Step-by-step explanation:

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Diego is building a kitchen table and a coffee table. The legs of a kitchen table must be twice the height of a coffee table and there are 4 legs on each table. He writes the expression 4(2x) + 4(x) to model his building plans. What does 2x represent?

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8 0
3 years ago
The pentagon shown could be reflected over which line to be carried onto itself?
Svetach [21]

Answer:

paraell

Step-by-step explanation:

3 0
3 years ago
Solve the following system of equations and show all work.<br> y = 2x^2 +9x<br> y = 4x + 25
Genrish500 [490]

Answer:

x = 5/2 thì y = 35 và x = -5 thì y = 5

Step-by-step explanation:

thay y = 4x + 25 vào phương trình y = 2x ^ 2 + 9x ta có:

4x + 25 = 2x ^ 2 + 9x

⇒2x ^ 2 + 5x - 25 = 0

⇒ x = 5/2 và x = -5

thay x = 5/2 vào phương trình y = 4x + 25 ⇒ y = 4*(5/2) + 25 = 35

thay x = -5 vào phương trình y = 4x + 25 ⇒ y = 4*(-5) + 25 = 5

7 0
3 years ago
What is the value of k in the function ƒ(x) = 112 - kx if ƒ(-3) = 121?k = a0
nexus9112 [7]
F(x) = 112 - kx
f(-3) = 121

f(-3) = 112 - k(-3)
f(-3) = 112 + 3k
121 = 112 + 3k
121 - 112 = 3k
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9/3 = k
3 = k <===
5 0
2 years ago
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e-lub [12.9K]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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