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melamori03 [73]
2 years ago
11

If x=2 and y=5, evaluate the following expression: 2(x+y)

Mathematics
2 answers:
astraxan [27]2 years ago
6 0

Answer:

2(x+y)

x=2 and y=5

2x+2y

Subs

2(2)+2(5)

4+10=14

elixir [45]2 years ago
5 0

Answer:

14

Step-by-step explanation:

2(x+y)

2(2+5) (keeping 2 in place of x and 5 in place of y)

2(7)

2*7

14

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3xy + 5 if x = -4, y = 2
Zanzabum

Answer:

it will be -19

Step-by-step explanation:

i hope it helps you

7 0
2 years ago
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Choose the correct simplification of a5b6/a4b4
NemiM [27]
The Answer is a b¹⁰

Simplify the following:
(a^5 b^6 b^4)/a^4

Combine powers. (a^5 b^6 b^4)/a^4 = a^(5 - 4) b^(6 + 4):
a^(5 - 4) b^(6 + 4)

5 - 4 = 1:
a b^(6 + 4)

6 + 4 = 10:
Answer:  a b^10
6 0
3 years ago
How many solutions does this system of Equations have x-2y=2 y=-2x+5​
gayaneshka [121]

Answer:

One solution: x=2.4, y=0.2

Step-by-step explanation:

x-2y=2

y=-2x+5​

x-2(-2x+5)=2

x+4x-10=2

5x=2+10=12

x=12:5=2.4

y=-2x+5=-2*2.4+5=-4.8+5=0.2

3 0
3 years ago
(a) Count the number of ways to select a sample of 3 people to serve on a board of directors from a population of 6 people______
ValentinkaMS [17]

Answer:

(a) 20 ways

(b) 0.05 or 5%

Step-by-step explanation:

(a) Assuming that the order in which people are chosen does not matter, the number of ways to select 3 people out of possible 6 is given by the following combination.

n=\frac{6!}{(6-3)!3!}=\frac{6*5*4}{3*2*1}=20\ ways

(b) In a random sampling procedure, every outcome is just as likely to occur. Therefore, the chances that any particular sample will be the one selected are:

C = \frac{1}{20}=0.05 = 5\%

8 0
3 years ago
What Value Does Point P Represent On The Number Line Shown Here?
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The value is -3.2. Hope it helps!
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3 years ago
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