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3 years ago

What is the total surface area of the square pyramid?

Mathematics

1 answer:

sleet_krkn [62]3 years ago

6 0

Answer: Hello Luv......

380 (There is no picture i'm sorry,)

Step-by-step explanation:

A = L + B = a2 + a√(a2 + 4h2))

Hope this helps. Mark me brainest please.

Anna ♥

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Suppose a triangle has two sides of length 2 and 5 and that the angle between these two sides is pi/3. What is the length of the

patriot [66]

We are given two sides of a triangle that are 2 and 5 and the angle between them is pi/3 or 60 degrees. In this case, we can use the cosine law to relate the given dimensions and angle. The cosine rule goes c2 = a2 + b2 - 2abcos C; Substituting, c2 = 4 + 25 - 2*2*5*cos pi/3 ; c2 = 19; c = sqrt 19 = 4.36 units.

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An angle that measures 155degrees is a

telo118 [61]

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Step-by-step explanation:

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3 years ago

A study found that the average stopping distance of a school bus traveling 50 mph was 264 feet. a group of automotive engineers

lutik1710 [3]

Answer:

Step-by-step explanation:

Given that a study found that the average stopping distance of a school bus traveling 50 mph was 264 feet.

Sample taken showed the following results

$n=40\\\bar x =262.3 feet\\Std dev = \sigma= 3 ft$

Since population std deviation is known and sample size is large, z test can be used.

$H_0: \bar x=264\\H_a: \bar x$

(Left tailed test)

Mean difference = $264-262.3 = 1.7$

Std error = $\frac{\sigma}{\sqrt{n} } \\=\frac{3}{\sqrt{40} } \\=0.474$

Z = test statistic = mean diff/std error

= $\frac{1.7}{0.474} \\=3.584$

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Since p < alpha our 0.05 we reject null hypothesis

There is evidence to show that mean is less than 264 feet

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Sample are randomly drawn

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3 years ago

in a film, a character is criticized for marrying a woman when he is three times her age. he wittily replies "ah, but in 20 year

Igoryamba

Answer:

W = 20 (woman's age)

M = 60 (man's age)

Step-by-step explanation:

M = Man's age

W = Woman's age

M + 20 = 2(W + 20)

Sub for M

3W + 20 = 2W + 40

W = 20 (woman's age now)

M = 60 (man's age now)

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3 years ago

Need help will give branliest also how u got answer

erastova [34]

Answer:

x= -3

Step-by-step explanation:

simplify.

1+4=x-8

Move all terms containing x to the left

1+3x=-8

Move all terms NOT containing to the right

3x=-9

Divide each term by 3

x= -3

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3 years ago

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What is the total surface area of the square pyramid?​

What is the total surface area of the square pyramid?