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Natasha_Volkova [10]
3 years ago
15

Scott needs to mail a USB drive to a friend. He uses 41-cent stamps and 8-cent stamps to pay $1.87 in postage. How many of each

stamp did scott use?
Mathematics
1 answer:
Brrunno [24]3 years ago
6 0

Answer:

4 41cent stamps would be $1.64/ 3- 8 cent stamps would be 23 cents/ $1.64 + 23= $1.87

Step-by-step explanation:

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The measures of the angles between the resultant and two applied forces are 26° and
erma4kov [3.2K]

Answer:

  48.8 lbs

Step-by-step explanation:

The forces can be modeled by a triangle with acute angles 20° and 26°, and obtuse angle 134° opposite a side of length 80. The larger component force will be opposite the angle 26°, and can be found using the Law of Sines:

  a/sin(A) = c/sin(C)

  x/sin(26°) = 80/sin(134°)

  x = 80sin(26°)/sin(134°) ≈ 48.753 . . . . pounds

The larger component force is about 48.8 pounds.

6 0
2 years ago
Solve for a in terms of F and m: F=ma
Elena-2011 [213]
To solve for a, you must get a by itself on one side of the equation.  Now, a is "joined" to m by multiplication.  To "separate" them, use the inverse operation, division.

Divide both sides of the equation by m.

F=ma \\ \frac{F}{m}=\frac{ma}{m} \\ \frac{F}{m}=a \\ a=\frac{F}{m}
5 0
4 years ago
Solve for q.<br><br> q<br> = <br> 18<br> 32
barxatty [35]

Answer:

Im boutta fail my final

Step-by-step explanation:

1 like= 1 prayer

8 0
3 years ago
Two cards are drawn from a standard deck without replacement. What is the probability that the first card is a spade and the sec
Verizon [17]

Answer:

The answer is 0.123.

Step-by-step explanation:

You want to find the intersection between P(Spade) and P(Red). Knowing that there's no replacement, the probability will be given by the formula:

⇒ P(Spade∩Red) = P(Spade)*P(Red/Spade)

⇒ P(Spade∩Red) = P(Red)*P(Spade/Red)

Either formula works, but I'm going to choose to work with the first formula.

Therefore:

P(Spade) = \frac{13}{52}

P(Red/Spade) =  \frac{26}{52-1}

So:

P(Spade∩Red) = \frac{13}{52}*\frac{26}{51}= \frac{13}{102} =  0.123

3 0
3 years ago
The bird population on an island is declining at a rate of 2.2% per year. If the population was 3500 in the year 2009, which is
andreyandreev [35.5K]
In the year 2009 there were 3500 birds on an island. If the bird population is declining 2.2% per year it means that in the year 2014 we will have 3500*(1-0.022^{5})=3500*0.978 x^{5}= 3131.57 birds. 
The best prediction is that in the year 2014 the bird population will be 3132.
3 0
4 years ago
Read 2 more answers
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