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3 years ago

13

7(2x+6)=1 plzzz Yelp

2 answers:

MrMuchimi3 years ago

8 0

Answer:

x = -41/14

Step-by-step explanation:

7(2x+6)=1

Distribute

14x +42 =1

Subtract 42 from each side

14x+42-42 = 1-42

14x = -41

Divide each side by 14

14x/14 = -41/14

x = -41/14

Ierofanga [76]3 years ago

4 0

Answer:

$x=-\dfrac{41}{14}$

Step-by-step explanation:

$7(2x+6)=1$

Expand parentheses:

$14x+42=1$

Subtract 42 from both sides:

$14x=-41$

Divide both sides by 14:

$x=-\dfrac{41}{14}$

Hope this helps!

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3 years ago

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1 year ago

What is the converse of the following conditional statement?<br><br> If x = –10, then x2 = 100.

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4 years ago

Read 2 more answers

The probability that an egg on a production line is cracked is 0.01. Two eggs are selected at random

ser-zykov [4K]

Answer:

Probability that both eggs are cracked is 0.0001.

Step-by-step explanation:

We are given that the probability that an egg on a production line is cracked is 0.01.

Two eggs are selected at random from the production line.

The above situation can be represented through binomial distribution;

$P(X = r) = \binom{n}{r} \times p^{r} \times (1-p)^{n-r};x=0,1,2,3,.......$

where, n = number trials (samples) taken = 2 eggs

r = number of success = both eggs are cracked

p = probability of success which in our question is probability that

an egg on a production line is cracked, i.e; p = 0.01

<u><em>Let X = Number of eggs on a production line that are cracked</em></u>

So, X ~ Binom(n = 2, p = 0.01)

Now, Probability that both eggs are cracked is given by = P(X = 2)

P(X = 2) = $\binom{2}{2} \times 0.01^{2} \times (1-0.01)^{2-2}$

= $1\times 0.01^{2} \times 0.99^{0}$

= 0.0001

<em>Therefore, probability that both eggs are cracked is </em><em>0.0001</em><em>.</em>

6 0

4 years ago