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artcher [175]
2 years ago
6

How to factorize 5x^2-20y^2​

Mathematics
2 answers:
Lilit [14]2 years ago
7 0

Answer:

Step-by-step explanation:

5x^2-20y^2\\=5(x^{2} -4y^2)\\=5[x^{2} -(2y)^2]\\=5(x+2y)(x-2y)

Lelu [443]2 years ago
6 0

Answer:

Step-by-step explanation:

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Solve for x<br><br> 2x+3+5x=24 <br> what is x?
Westkost [7]

Answer:

x=3

Step-by-step explanation:

2x+3+5x=24\\7x+3=24\\7x=21\\x=3

7 0
3 years ago
What is the mode and range of 45 50 47 52 53 45 51
marysya [2.9K]
Mode : 50.1 and range is 8
3 0
3 years ago
Read 2 more answers
Select all the exspressions that are all equivalent to 20 percent of 150
Dmitriy789 [7]

<em>Note: It seems you may have unintentionally missed adding the answer choices. Thus, I am solving your question in general to give you the idea of how the percentage works, which anyways would solve your query.</em>

<em></em>

Answer:

Please check the explanation.

Step-by-step explanation:

Given that we have to determine the expressions which are equivalent to 20 percent of 150.

First, we need to determine what actually 20 percent of 150 really brings.

i.e

20% of 150 = 20/100 × 150

                   = 30

Thus,

20% of 150 = 30

Therefore, any expression that is equivalent to 30 will be included in the answer to this question.

4 0
2 years ago
Nick is now 7 times as old as harry. in 6 years, nick will be 5 times as old as harry. how old will harry be in 6 years?
zalisa [80]
Let,
Harry's age - x then Nick is 7x. 
After 6 years, Harry is  x+6 and Nick is 7x+6
So, 7x+6= 5(x+6)=> 2x = 30-6X = 12
In 6 years, Harry will be 12+6 = 18 years (Ans)



5 0
3 years ago
Read 2 more answers
Dawn is ordering 1 veggie sandwich for every 3 ham sandwiches. She needs 12 sandwiches in all. Veggie sandwiches cost 4.00 dolla
NISA [10]

Answer:

$52.50

Step-by-step explanation:

Lets use V for Veggie, and H for Ham.

V=4

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She is getting 12 sandwiches, and Every 3 H, she buys one V.

So, the order of her buying the sandwiches would be:

H H H V H H H V H H H V

9 H and 3 V

9*H=40.5

3*V=12

40.5+12= $52.50

5 0
3 years ago
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