3 years ago

58

Mathematics

1 answer:

Dahasolnce [82]3 years ago

5 0

Answer:

I dont think this is the right answer but 8.256

Step-by-step explanation:

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Find a formula in n, a, m, and d for the sum (a md) (a (m 1)d) (a (m 2)d) · · · (a (m n)d), where m and n are integers, n ≥ 0, a

Anettt [7]

Write this as the sum of:
a+md
a+md+d
a+md+d+d
...
a+md+d+d+...+d

Total=n(a+md)+d(1+2+3+...+n-1)=n(a+md)+dn(n-1)/2

3 0

3 years ago

K/4 < -4 <br> What could k be???

anygoal [31]

Answer:

-17

Step-by-step explanation:

-17/4 = -4.25

and 4 is greater than that, so i think

K = -17

3 0

3 years ago

Aiden estimates the length is 7.2 but it’s 6.5 what’s the percent error

IrinaVladis [17]

Percent error is 10.7%

Step-by-step explanation:

We need to find the percent error:

We are given:

Estimate value = 7.2

Actual value = 6.5

Percent Error=?

The formula used is:

$Percent\,\,Error=\frac{Estimate\,\,value-Actual\,\,value}{Actual\,\,value}\times100\\$

Putting values:

$Percent\,\,Error=\frac{7.2-6.5}{6.5}\times100\\Percent\,\,Error=\frac{0.7}{6.5}\times100\\Percent\,\,Error=0.107\times100\\Percent\,\,Error=10.7%\\$

So, Percent error is 10.7%

Keywords: Percent Error

Learn more about Percent Error at:

#learnwithBrainly

8 0

3 years ago

Join z oo m ????????????????

skad [1K]

Answer:

maybe lol

Step-by-step explanation:

user and pass?

6 0

2 years ago

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(calculus) please help!! will mark brainliest

Lyrx [107]

Answer:

Step-by-step explanation:

4 0

2 years ago