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cupoosta [38]
1 year ago
8

A parking meter contains 4 times as many nickels as quarters. The meter contains $4.05 total. Select two equations that would be

used to find the number of nickels, n, and the number of quarters, q, in the parking meter.
Mathematics
1 answer:
Maru [420]1 year ago
7 0

Answer:

xc

Step-by-step explanation:

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Find square root of 0.0324
irina [24]

Answer:

0.18

Step-by-step explanation:

6 0
1 year ago
Zack wants to make a profit of more than $300 for painting 4 identical rooms. The profit he makes is equal to the amount he is p
lianna [129]

Answer: A

n-4(32.5) > 300;n > 430tep-by-step explanation:

given that Zack wants to make a profit of more than $300 for painting 4 identical rooms. That is

Profit > $300

Then, the profit he makes is equal to the amount he is paid minus the cost of supplies. The cost of supplies is $32.50 for each room. That is

n - 32.5 and

P + 32.5 × 4

Where 4 = number of rooms

P + 130

The minimum profit = 300 + 130 = $430

Therefore, the inequality and solution that represent the dollar amount, n, that zack must be paid for each room if he is to make a profit of more than 300$ is

n-4(32.5) > 300;n > 430

6 0
2 years ago
Read 2 more answers
For what value of θ, in degrees, is sin θ = cos 58°?
AlexFokin [52]

Answer: 32

Step-by-step explanation:

1. cos of 58 deg= 0.529919264

2. sin^-1 (0.529919264)= 31.999... = 32

5 0
2 years ago
Solve for the value<br> 14/5 = z/25
Sladkaya [172]

Answer:

z = 70

Step-by-step explanation:

Multiply by 25 on both sides:

14/5 = z/25

25(14/5) = (z/25)

25(14/5) = z

Divide:

25(14/5) = z

25(2.8)‬ = z

Multiply:

25(2.8)‬ = z

70 = z

8 0
2 years ago
Read 2 more answers
Which of the following lists of three numbers could form the side lengths of a triangle? <img src="https://tex.z-dn.net/?f=A.%20
yan [13]

Answer:

B. 122, 257, 137

Step-by-step explanation:

The triangle inequality rule states that the sum of any two sides of a triangle must be greater than the third side. If A, B and C are sides of a triangle then A + B > C, A + C > B, B + C > A

Testing for the options:

1) 10, 20, 30

10 + 20 (= 30) is not greater than 30. It cannot form a triangle

2) 122, 257, 137

122 + 137 (259) is greater than 257. It can form a triangle

3) 8.6, 12.2, 2.7

8.6 + 2.7 (11.3) is not greater than 12.2. It cannot form a triangle

4) 1/2, 1/5, 1/6

1/5 + 1/6 (11//30) is not greater than 1/2. It cannot form a triangle

8 0
2 years ago
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