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4 years ago

Please soon as you see this help I need to bring this in by tomarrow

Mathematics

2 answers:

balu736 [363]4 years ago

8 0

Question 1 the fourth figure uses two extra toothpicks and the second question the figure uses three extra tooth picks. There are more toothpicks needed for the second figure of the second question than the second question

Rzqust [24]4 years ago

3 0

1. There is a pattern. In figure 2, there were two toothpicks added.

2.Same thing with the pattern. you add three toothpicks in each figure.

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Solve X + 5 + 6x = 180. What are the steps?

Elenna [48]

Answer:

x=25

Step-by-step explanation:

x+5+6x=180

7x+5=180

7x=175

x=25

3 0

3 years ago

1. The sum of two consecutive integers is at least 23. What is the smallest value that will make the statement true?

Volgvan

Answer:

1- 11+ 12 = 23

2- -7 + -6 = -13

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3 years ago

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Given h(x) = 5x + 3. what is the value of h(-11)

alexira [117]

Answer:

h(-11)=-52

Step-by-step explanation:

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3 years ago

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Hope this helped! :)

7 0

3 years ago

Suppose the force acting on a column that helps to support a building is a normally distributed random variable X with mean valu

Sauron [17]

Answer:

(1) 0.4207

(2) 0.7799

Step-by-step explanation:

Given,

Mean value,

$\mu = 15.0$

Standard deviation,

$\sigma = 1.25$

(1) P(X ≥ 17.5) = 1 - P( X ≤ 17.5)

$= 1- P(\frac{x-\mu}{\sigma} \leq \frac{17.5-\mu}{\sigma})$

$=1-P(z\leq \frac{17.5 - 15}{1.25})$

$=1-P(z\leq \frac{2.5}{1.25})$

$=1-P(z\leq 2)$

$=1- 0.5793$ ( By using z-score table )

= 0.4207

(2) P(14 ≤ X ≤ 18) = P(X ≤ 18) - P(X ≤ 14)

$=P(z\leq \frac{18 - 15}{1.25}) - P(z\leq \frac{14 - 15}{1.25})$

$=P(z\leq \frac{3}{1.25}) - P(z\leq -\frac{1}{1.25})$

$=P(z\leq 2.4) - P(z\leq -0.8)$

= 0.9918 - 0.2119

= 0.7799

8 0

3 years ago