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Igoryamba
3 years ago
10

Describe the locus in space.

Mathematics
1 answer:
yanalaym [24]3 years ago
8 0

Answer: an endless cylinder with radius 4 mm and centerline

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a rectangle has a length of (x+3) centimeters and a width of 1/2x centimeters. If the perimeter is 24 centimeters, what is the l
bogdanovich [222]

Answer:

The length of the rectangle is 9 cm

Step-by-step explanation:

Given: The length of rectangle(l) = (x+3) cm and a width of rectangle (w) = \frac{1}{2} x cm a

Also, perimeter of rectangle is 24 cm.

Perimeter of rectangle is to add the lengths of all the four sides.

Perimeter of rectangle (P) is given by;

P=2(l+w)

Substituting the value of P = 24 cm , l = (x+3) cm and w =\frac{1}{2} x

then,  

24 = 2 (x+3+\frac{1}{2} x)

Divide by 2 both sides of an equation;

12 = x+3+\frac{1}{2}x

Combine like terms;

12 =\frac{3x}{2} +3

Subtract 3 from both the sides we get;

12-3 = \frac{3x}{2} +3-3

Simplify:

9 =\frac{3x}{2}

Multiply both sides by \frac{2}{3} we get

x = 9 \times \frac{2}{3} = 3 \times 2 = 6

Therefore, length of rectangle(l) = (x+3) = 6+3 = 9 cm

6 0
3 years ago
1. Whats the answer to <br> The function f(2) = 2x+5.
dimulka [17.4K]

Answer:

9

Step-by-step explanation:

x=2 so...

2*2+5=9

6 0
2 years ago
Question 6 of 10
puteri [66]

Answer:

A and C the other two are just stand alone numbers. so the answers are A and C

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=7%20%5Ctimes%203%20%5Ctimes%203%20%3D%20" id="TexFormula1" title="7 \times 3 \times 3 = " alt=
Eduardwww [97]

63 is your answer :)

8 0
3 years ago
There are 12 blue marbles and 8 red marbles. find the probability of selecting one item
Diano4ka-milaya [45]

Answer:

selecting one item? If you mean each color:

40% chance for a red marble / 2/5 chance

60% chance for a blue marble / 3/5 chance

Step-by-step explanation:

Because there are 12 blue marbles and 8 red marbles, we would total them to see how many marbles there are in total. There are 20 in total, but to find the probability, if we put all 20 marbles in a bag (blue and red), and we picked a marble at random, there are 8 red marbles and 12 blue marble in that bag. The probability that I will choose red marbles is 8/20 (or 8 red marbles out of 20 total marbles), and for blue marbles, it would be 12/20 (or 12 blue marbles out of 20 total marbles). Simplify both expression to 2/5, and 3/5 respectively. Finally, if you need percentage, just multiply the denominator by 5 to get it to a hundred, and do the same to the numerator. This way you don't change the value of the expression.

8 0
3 years ago
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