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shepuryov [24]
3 years ago
10

Petra walked 4 1/5 km. Mandy walked 2 1/4 km less than Petra. How far did they walk altogether

Mathematics
1 answer:
Mkey [24]3 years ago
5 0

Answer:

Step-by-step explanation:

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May someone please help me, please? This is about exponents by the way. About 5 questions I need help with.
Leno4ka [110]

Answer:

1. 1  

2. 1

3. 16/81

4. 3

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Step-by-step explanation:

5 0
3 years ago
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Subtract 8+7i from 4-16i
Firdavs [7]
The answer to this question is <span>-4 - 23 i.

</span>(4-(8 + (7 * i))) - (16 * i) =-4 - 23 i
5 0
4 years ago
Put the following in order for the most area in the tails of the distribution. ​(a) Standard Normal Distribution ​(b) Student's​
tensa zangetsu [6.8K]

Answer:

(b) (c) (a)

Step-by-step explanation:

Standard Normal distribution has a higher peak in the center, with more area in this región, hence it has less area in its tails.

Student's​ t-Distribution has a shape similar to the Standard Normal Distribution, with the difference that the shape depends on the degree of freedom. When the degree of freedom is smaller the distribution becomes flatter, so it has more area in its tails.

Student's​ t-Distributionwith 1515 degrees of freedom has mores area in the tails than the Student's​ t-Distribution with 2020 degrees of freedom and the latter has more area than Standard Normal Distribution

5 0
3 years ago
How many triangles can be made with the angle 70°, 70°, and 70°
seraphim [82]
Hey there!
Your answer is 0.
All the angles of a triangle must add up to 180 degrees.
However, the sum of these angles is not equal to 180 degrees.
70 + 70 + 70 = 210
210 is not equal to 180.
Hence, no triangles can be made using the angles 70, 70, and 70.
Hope this helps!
7 0
3 years ago
How do you calculate the LCM for 128 and 256​
Neporo4naja [7]

Answer:

I think its 256

Step-by-step explanation:

The LCM of 128 and 256 is 256. Steps to find LCM. Find the prime factorization of 128 128 = 2 × 2 × 2 × 2 × 2 × 2 × 2; Find the prime factorization of 256.

6 0
2 years ago
Read 2 more answers
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