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Romashka-Z-Leto [24]
3 years ago
8

Anyone ??? I need help

Mathematics
1 answer:
Elina [12.6K]3 years ago
4 0

Answer:

None of the above

Step-by-step explanation:

-9 tells the distance between her hand and the keys

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Two similar triangles have corresponding sides measuring 3 cm and 7 cm determine the ratio of their respective areas
Scrat [10]
If two similar triangles have side lengths 3cm and 7cm then we can determine that the scale factor for the lengths is: 7/3

Now, we have to work out the area scale factor !

This is simple, since area is given in cm² then all we have to do is square our original scale factor!

So,

7/3² = 49/9

So, we can say that the ratio of the area would be:

x : 49/9x

Hope this helps! <3
8 0
2 years ago
Quais os numeros naturais entre 893 e 991 que divididos por 23 deixam sempre o maior resto possível
Alla [95]
English please ? I only speak English but I’m sure I can help.
6 0
1 year ago
The mean amount purchased by a typical customer at Churchill’s Grocery Store is $23.50, with a standard deviation of $5.00. Assu
m_a_m_a [10]

Answer: 0.0170

Step-by-step explanation:

Given : The mean amount purchased by a typical customer at Churchill’s Grocery Store is $23.50, with a standard deviation of $5.00.

i.e. \mu=23.50

\sigma=5

We assume the distribution of amounts purchased follows the normal distribution.

Sample size : n=50

Let \overline{x} be the sample mean.

Formula : z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

Then, the probability that the sample mean is at least $25.00 will be :-

P(\overline{x}\geq\25.00)=P(\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\geq\dfrac{25-23.50}{\dfrac{5}{\sqrt{50}}})\\\\=P(z\geq2.12)\\\\=1-P(z

Hence, the likelihood the sample mean is at least $25.00= 0.0170

5 0
3 years ago
I will give brainliest if you help me
ZanzabumX [31]

Answer:

it would still be the same length due to the fact that it did not change lengths.

Step-by-step explanation:

3 0
2 years ago
Hello, can you answer this for me
Elis [28]

Answer:

Steve is 18 and and his mother is 47.

Step-by-step explanation:

if you add those numbers you'll get 65

3 0
2 years ago
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