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Alexxx [7]
3 years ago
12

Evaluate x+1 when x = 2.5

Mathematics
1 answer:
lina2011 [118]3 years ago
5 0
Plug in 2.5 for x and you get

2.5+1 which equals 3.5
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What is the value of x + 3y + z if x = 4, y = 5, and z=2?​
Alexus [3.1K]

Answer:

x+3y+z=21

Step-by-step explanation:

x+3y+z

4+3(5)+2

4+15+2

21

8 0
3 years ago
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Suppose a couple planned to have three children. Let X be the number of girls the couple has.
sesenic [268]

Answer:

a) {GGG, GGB, GBG, BGG, BBG, BGB, GBB, BBB}

b) {0,1,2,3}

c)

P(X=2) = \dfrac{3}{8}

d)

P(\text{3 boys}) = \dfrac{1}{8}

Step-by-step explanation:

We are given the following in the question:

Suppose a couple planned to have three children. Let X be the number of girls the couple has.

a) possible arrangements of girls and boys

Sample space:

{GGG, GGB, GBG, BGG, BBG, BGB, GBB, BBB}

b) sample space for X

X is the number of girls couple has. Thus, X can take the values 0, 1, 2 and 3 that is 0 girls, 1 girl, 2 girls and three girls from three children.

Sample space: {0,1,2,3}

c) probability that X=2

P(X=2)

That is we have to compute the probability that couple has exactly two girls.

\text{Probability} = \displaystyle\frac{\text{Number of favourable outcomes}}{\text{Total number of outcomes}}

Favorable outcome: {GGB, GBG, BGG}

P(X=2) =\dfrac{3}{8}

d) probability that the couple have three boys.

Favorable outcome: {BBB}

P(BBB) = \dfrac{1}{8}

8 0
3 years ago
Y = x/3 - 4<br> Change this equation into y=mx+b form
dusya [7]
Y=3x+4 beacause the slope is m and b is the y-intercept
5 0
2 years ago
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L
d1i1m1o1n [39]

Whole numbers

Natural numbers

Real nunbers

6 0
2 years ago
8 divide 2 equals n
GarryVolchara [31]

Answer:

Me no good at math :(

Step-by-step explanation:

I big dumb

7 0
3 years ago
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