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alekssr [168]
3 years ago
6

Explain?????????????????

Mathematics
1 answer:
earnstyle [38]3 years ago
8 0
8(2)+3(5)+4*2
16+15+16
Answer is 47
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Which expression best estimates 6 and three-fourths divided by 1 and two-thirds?
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Answer: The expression is 7/2.

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a Put the following equation of a line into slope-intercept form, simplifying all fractions. x + 3y = -24​
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Tell whether the sequence is arithmetic. If it is, identify the common difference.
Rudik [331]

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Yes, it is arithmetic with the common difference 2.

Step-by-step explanation:

10-8=2

8-6=2

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etc.

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Can you step by step solve 20x+12=4x-16
Murljashka [212]

Answer:

x = - \frac{7}{4}

Step-by-step explanation:

Given

20x + 12 = 4x - 16 ( subtract 4x from both sides )

16x + 12 = - 16 ( subtract 12 from both sides )

16x = - 28 ( divide both sides by 16 )

x = \frac{-28}{16} = - \frac{7}{4} [ = - 1.75 ]

4 0
3 years ago
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
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