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3 years ago

9

mary drew a picture of a building. she used the scale shown 1 in:16 ft. the building in her pictures 9 inches tall. what is the

height, in feet, of the actual building.

1 answer:

MaRussiya [10]3 years ago

7 0

Answer:

okay

i am not sure the answer but hi i am ok

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Mr. Gray’s quiz was normally distributed with a mean of 25 and a standard deviation of 10 find z- scores for each of the followi

Eduardwww [97]

Hello!

Z= x-u/sd

(a) x = 40
z = 40-25 / 10 = -15/10 = -1.5

(b) x = 27
z = 27-25 / 10 = 2/10 = 0.2

(c) x = 6
z = 6-25 / 10 = -19/10 = -1.9

Hope that helped

8 0

2 years ago

True or False<br> <img src="https://tex.z-dn.net/?f=%20i%5E%7B2%7D%20%3D%20%5Csqrt%7B2%7D%20" id="TexFormula1" title=" i^{2} = \

ivanzaharov [21]

I hope this helps you

3 0

3 years ago

Read 2 more answers

Is 8397 divisible by 9 ? Explain your answer

Ierofanga [76]

Answer:

Yes

Step-by-step explanation:

9 can go into 8397 evenly without any remainders.

8 0

3 years ago

Read 2 more answers

What is the solution to 3.2x = 6.4?<br> a. x = 2<br> b. x = 3.2<br> c. x = 9.6<br> d. x = 20.48

faltersainse [42]

$3.2x=6.4\ \ \ \ |divide\ both\ sides\ by\ 3.2\\\\\frac{3.2x}{3.2}=\frac{6.4}{3.2}\\\\\huge\boxed{x=2}$

7 0

3 years ago

Dinosaurs have been extinct for about 6.5×10 exponent seven years while Neanderthals have been extinct for about 3.0×10 exponent

shutvik [7]

Answer:

6.49 × 10⁷ years

Step-by-step explanation:

For Dinosaurs

Dinosaurs have been extinct for about 6.5×10 exponent seven years

6.5 × 10⁷ years

For Neanderthals

Neanderthals have been extinct for about 3.0×10 exponent four years

= 3.0 × 10⁴ years

How many longer is calculated by Subtraction

6.5 × 10⁷ years - 3.0 × 10⁴

= 64970000 years

= 6.49 × 10⁷ years

5 0

3 years ago