Ok here's your system:
n+d=160
0.05n+0.10d=10.50
Steps:
I will try to solve your system of equations.
d+n=160;0.1d+0.05n=10.5
Step: Solved+n=160for d:
d+n+−n=160+−n(Add -n to both sides)
d=−n+160
Step: Substitute−n+160fordin0.1d+0.05n=10.5:
0.1d+0.05n=10.5
0.1(−n+160)+0.05n=10.5
−0.05n+16=10.5(Simplify both sides of the equation)
−0.05n+16+−16=10.5+−16(Add -16 to both sides)
−0.05n=−5.5
−0.05n−0.05=−5.5−0.05(Divide both sides by -0.05)
n=110
Step: Substitute110fornind=−n+160:
d=−n+160
d=−110+160
d=50(Simplify both sides of the equation)
Answer:
d=50 and n=110
so there are 110 nickels
Answer:
Why is 3 an integer?
They are the numbers you usually count and they will continue on into infinity. Whole numbers are all natural numbers including 0 e.g. 0, 1, 2, 3, 4… Integers include all whole numbers and their negative counterpart e.g. … -4, -3, -2, -1, 0,1, 2, 3, 4
Answer:
Step-by-step explanation:
Ratio of New York boats to total boats = 1:2
The next 18 boats should include 9 from New York.
Answer:
97m
Step-by-step explanation:
From the image below we solve using pythagoras's theorem
x^2 = 72^2 + 65^2
x^2 = 5184 + 4225
x^2 = 9408
x = 97 m.
Further explanation is shown 8n the image.
Answer:
11
Step-by-step explanation:
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<em>OladipoSeun</em><em>♡˖꒰ᵕ༚ᵕ⑅꒱</em></h2>
