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spin [16.1K]
3 years ago
5

Evaluate if x = 1 , y = 3 , and z = 5 |5z - 2y|

Mathematics
1 answer:
Aleks04 [339]3 years ago
4 0

Answer:

1

Step-by-step explanation:

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V= 2i +9j Find ||9v||
Korvikt [17]

Answer:

9\sqrt{85}

Step-by-step explanation:

9v = 9(2i + 9j) = 18i + 81j

|9v | = \sqrt{18^2+81^2} = \sqrt{x6885} = 9\sqrt{85}


8 0
3 years ago
X + 4 is prime x2 – 9 can be factored using the formula.
Anna71 [15]

We are given two binomials: x+4 , x^2-9.

x+4 can't be factored. Therefore,  it is a prime.

Let us work on x^2-9.

9 could be written as 3^2.

Therefore, x^2-9 = x^2 - 3^2.

Now, we can apply difference of the squares formula to factor it.

We know a^2 -b^2 = (a-b) (a+b).

Therefore,  x^2 - 3^2 can be factored as (x-3) (x+3).

So, x^2-9 is not a prime binomial because it can be factored as (x-3) (x+3).

3 0
3 years ago
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Rich is tossing a normal quarter. He tosses the quarter 25 times and it lands on heads 5 times. If Rich tosses the quarter again
kotegsom [21]

Answer:

ss

Step-by-step explanation:

sss

8 0
3 years ago
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A student is 90 cm tall and growing at a rate of 3 cm per month. At this rate, in how many months will the student grow to a hei
Zolol [24]

Answer:

14 months

Step-by-step explanation:

14x3=42

42+90= 132

6 0
2 years ago
What is the ratio of pennies to dimes in a dollar
igor_vitrenko [27]
1:10:10 is the ratio. 10 pennies in a dime, 10 dimes in a dollar.
7 0
3 years ago
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