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Liono4ka [1.6K]
3 years ago
7

Systems of equations by substitution

Mathematics
1 answer:
Korolek [52]3 years ago
6 0
Could you please clarify the question please by putting a question to be solved? Or are you asking for the definition?
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What is the volume of a cylinder with a height of 7.1 ft and a base with a diameter of 12.8 ft, to the nearest tenth of a cubic
Semenov [28]

Answer:

V=π(d

2)2h=π·(12.8

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7 0
3 years ago
Determine the solution to f(x) = g(x) using the following system of equations: (5 points) f(x) = 3x − 23 g(x) = −4.5x + 7
jeka94

Answer:

(The solution is (4, -11).

Step-by-stp explanation:

Let f(x) = g(x) = y:

y = 3x − 23

y = -4.5x + 7     Subtract the second equation from the first to eliminate y:

0 = 7.5x - 30

7.5x = 30

x = 4

Plug this into the first equation:

y = 3(4) - 23

y =  -11.

5 0
3 years ago
20+20+20+20+20+10+5+5
Vaselesa [24]

the answer to this equation is 120

4 0
3 years ago
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Russell is eating at a restaurant. His total bill comes to $45.10. If Russell decides to leave a tip that is approximately 25% o
olga2289 [7]

Answer:

$11.28

Step-by-step explanation:

45.10 x 0.25

4 0
2 years ago
Find the length of side x in simplest radical form with a rational denominator.
kogti [31]

Answer:

since it is Right angled isosceles triangle it's base side are equal

by using Pythagoras law

x²+x²=1²

2x²=1

x=√{1/2}or 0.707 or 0.71

6 0
3 years ago
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