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kenneth0125
30.09.2019 •
Mathematics
What is the exact value of 300,000x100
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Ответ:
300,000,000 (three hundred millions)
Step-by-step explanation:
300,000 × 100 = 300,000,000
Ответ:
Steps:
Use a system of equations
Solve using the elimination method
x+y=20
3x+11y=100
Multiply the first equation by 3 to make the coefficients of x in both equations the same.
3(x+y=20)
3x+3y=60
Next subtract this equation from the second one.
3x+3y=60
- 3x+11y=100
————————
-8y=-40
Divide both sides by -8 to find the bailie of y.
y=5 So there were 5 multiple choice questions on the test.
Next, replace the y in either equation to solve for x.
x+(5)=20
Subtract 5 from both sides to find the value of x
x=15