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lakkis [162]
3 years ago
12

I don't get this problem

Mathematics
2 answers:
svetoff [14.1K]3 years ago
7 0
First, you would put 4 as the numerator, because the silk butterfly's wingspan is 4 cm. Then, you would put 20 as the denominator, because the butterfly's wingspan is 20 cm. Now we have 4/20, which simplifies to 1/5 (the GCF of 4 and 20 is 4, so 4 divided by 4 = 1 and 20 divided by 4 = 5). Therefore, you answer would be 1/5.
Dominik [7]3 years ago
4 0
20/4.... 5cm is ur answer
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The ratio of the length and breadth of a rectangle is 5:4 and its area is 180 cm
Fed [463]

Answer:

Length = 15 cm, width = 12 cm, Perimeter = 54 cm

Step-by-step explanation:

The ratio of the length and breadth of a rectangle is 5:4 and its area is 180 cm².

Length = 5x

Breadth = 4x

Area of rectagle,

A = bl

180 = 5x × 4x

180 = 20x²

x² = 9

x = 3

Length = 5x = 5(3) = 15 cm

Width = 4x = 4(3) = 12 cm

Perimeter of rectangel,

P = 2(l+b)

= 2(15+12)

= 54 cm

Hence, this is the required solution.

6 0
3 years ago
True or False: If your expression contains more than one set of parentheses, you should evaluate all of them before doing anythi
irga5000 [103]

Answer:

False

Step-by-step explanation:

Parentheses should be evaluated first according to PEMDAS in every situation.

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

4 0
3 years ago
3. A bicycle wheel has a diameter of 559 mm and has 32 equally spaced spokes. What is the approximate arc
Ronch [10]

Answer:

Arc length = 54.85mm

Step-by-step explanation:

360/32 = 11.25

11.25 * 559 = 6288.75

6288.75 * 3.14 = 19746.675

19746.675/ 360 = 54.851875

Rounded to the nearest hundredth

Arc length = 54.85mm

3 0
3 years ago
The dot plot shows the number of magazines sold. Determine the range of the data set.
solong [7]

Answer:

B

Step-by-step explanation:

The range is the difference between the largest and smallest members of the data set.

largest = 25 and smallest = 17

range = 25 - 17 = 8 → B

8 0
3 years ago
Over the interval [0, 2), what are the solutions to sin(2x) = 2cos(x)? Check all that apply,
Ket [755]

Answer:

pi/2 and 3pi/2

Step-by-step explanation:

on edge

8 0
3 years ago
Read 2 more answers
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