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sashaice [31]
3 years ago
8

Victoria has $2.90 in quarters, dimes and nickels. The numbers of nickels is one more than six times the number of quarters, and

the number of dimes is 4 times the number of quarters. What is the total number of coins Victoria has.
Mathematics
1 answer:
maria [59]3 years ago
8 0

Answer:

Step-by-step explanation:

She has 290 cents.

Nickels: 6x+1

Quarters: x

Dimes: 4x

Now that we've converted it algebraically, we can add them

6x+1 + x + 4x = 11x+1 = 290

11x = 289

x = 289/11

let me know if incorrect, i will fix

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Tammy rents an apartment close to her school campus. The amount that she spends on rent is given by the equation r = 355m, where
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<span>Tammy rents an apartment close to her school campus. The equation that is given is this one:
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Find the measure of an angle whose measure is 20° less than the measure of its supplement.
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Supplementary = angles add up to 180
Measure = 20 less

Labelled as x + (x - 20) = 180

Solve.

x + (x - 20) = 180
             2x = 200
             /2      /2
               x = 100

Angle 1:             Angle 2:
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100 - 20             100
80

Therefore the angle is 80 degrees.

Proof: 80 + 100 = 180 (supplementary)
100 - 80 = 20 (80 is less than supplement (100)

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