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asambeis [7]
3 years ago
6

Need help in algebra fast Please someone

Mathematics
2 answers:
melomori [17]3 years ago
5 0

Answer:

D.

Step-by-step explanation:

Anna71 [15]3 years ago
5 0
The answer for this is D.)
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Which statement about rhombuses and parallelograms is true?
puteri [66]

Answer:

Parallelograms ALWAYS have opposite sides parallel; rhombuses sometimes do not.

Step-by-step explanation:

i think

4 0
3 years ago
two bike riders ride around in a circular path. The first rider completes one round in 15 minutes and the second rider completes
katrin2010 [14]

Answer:

Rider 1 does one round in 15 min, and will complete another in each consecutive multiple of 15 min

Rider 2 does one round in 18 min, and will complete another in each consecutive multiple of 18 min

Assuming that they start together, they will complete another round together in a time that is both multiples of 15min and 18 min.

Then we need to find the smallest common multiple between 15 and 18.

To smallest common multiple between two numbers, a and b, is equal to:

a*b/(greatest common factor between a and b).

Now, the greatest common factor between 15 and 18 can be found if we write those numbers as a product of prime numbers, such as:

15 = 3*5

18 = 2*3*3

The greatest common factor is 3.

Then the smallest common multiple will be:

(15*18)/3 = 90

This means that after 90 mins, they will meet again at the starting place.

3 0
3 years ago
Raul picks 20 flowers from his mother's garden. One fourth of them are purple. How many of the flowers are purple?
steposvetlana [31]
25% were purple and 30 percent another color
8 0
3 years ago
Read 2 more answers
Jane is building eight 3-legged stools. Each leg is 1/2 yard long. She can cut the legs from wooden rods that are sold in 2-yard
jonny [76]

Answer:

n = 6\,rods

Step-by-step explanation:

The total of legs needed to build the stools are:

x = (8) \cdot (3)

x = 24

Likewise the total length of the legs is:

L_{tot} = 24\cdot (0.5\,yd)

L_{tot} = 12\,yd

Lastly, the quantity of rods that needed to buy is:

n = \frac{12\,yd}{2\,\frac{yd}{rod} }

n = 6\,rods

6 0
3 years ago
How do we calculate 25% of 300
Natali5045456 [20]
25% is equal to \frac{1}{4}. To get 25% of 300, we multiply 300 by either 0.25 or \frac{1}{4}. This gives us (300)( \frac{1}{4}) =  \frac{300}{4}  =  \frac{150}{2} = 75
4 0
3 years ago
Read 2 more answers
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