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3 years ago

Question 5 of 5 Triangle ABC is an equilateral triangle. How many lines of symmetry does triangle ABC have?

Mathematics

1 answer:

lutik1710 [3]3 years ago

4 0

I believe just 1 because an equilateral triangle can only be reflected on one line for the halves to be the same

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A customer wants to buy 60 flowering plants. He wants 1/2 of them to be alyssum, 1/4 of them to be bells of Ireland, and 1/4 of

bearhunter [10]

Answer:

30 Alyssum, 15 Bells of Ireland, and 15 Calendula

Step-by-step explanation:

8 0

3 years ago

Suppose that for a particular family of T-distributions that t2 has 2 degrees of freedom (df) and t9 has 9 degrees of freedom. W

aksik [14]

tdf will approach z.

Suppose that for a particular family of T-distributions that t2 has 2 degrees of freedom (df) and t9 has 9 degrees of freedom.

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7 0

2 years ago

A random variable x is normally distributed with a mean of 100 and a variance of 25. Given that x = 110, its corresponding z- sc

Rashid [163]

A random variable x is normally distributed with a mean of 100 and a variance of 25. Given that x = 110, its corresponding z- score is 0.40.

Answer: The given z-score is false.

Explanation: We are given:

Mean, $\mu=100$ ,

Variance, $\sigma^{2}=25$

$\therefore\sigma=\sqrt{\sigma^{2}}$

$=\sqrt{25}$

$=5$

The z-score formula is given below:

$z=\frac{x-\mu}{\sigma}$

$=\frac{110-100}{5}$

$=\frac{10}{5}$

$=2$

Therefore, the z-score corresponding x=100 is 2

Therefore, the given z-score = 0.4 is false.

4 0

4 years ago

Find the volume of the triangular prism.

goldfiish [28.3K]

Answer:

V = 31.5 in ^3

Step-by-step explanation:

The volume is Bh

The base is the triangle

B = 1/2 (7) *2

B = 7 in^2

Now find the volume

V = 7* 4.5

V = 31.5 in ^3

5 0

4 years ago

Find the slope of the line and sketch the graph. x+3y=-6

Tanzania [10]

x + 3y = -6
x - x + 3y = -6 - x
 3y = -6 - x
 3 3
 y = -2 - 0.33x

The slope of the equation is 0.33.

7 0

3 years ago