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Licemer1 [7]
2 years ago
7

WILL MARK BRAINLIST!!!!!!!!!

Mathematics
1 answer:
vlada-n [284]2 years ago
4 0
You are correct, 153 in^2.
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Find the product of the sum of 57 and 16 and the difference of 61 and 31​
Sergio039 [100]

Step-by-step explanation:

???

what is the problem ? you don't know how to add, subtract or multiply yet ?

sum of 57 and 16 : 57 + 16 = 73

difference of 61 and 31 : 61 - 31 = 30

the product of the sum and the difference :

73 × 30 = 2190

3 0
2 years ago
If each data is increased by a constant K then find it's mean ?? answer fast pleaseeeeeeeeeee​
MArishka [77]

Answer:

The mean is also increased by the constant k.

Step-by-step explanation:

Suppose that we have the set of N elements

{x₁, x₂, x₃, ..., xₙ}

The mean of this set is:

M = (x₁ + x₂ + x₃ + ... + xₙ)/N

Now if we increase each element of our set by a constant K, then our new set is:

{ (x₁ + k), (x₂ + k), ..., (xₙ + k)}

The mean of this set is:

M' = ( (x₁ + k) + (x₂ + k) + ... + (xₙ + k))/N

M' = (x₁ + x₂ + ... + xₙ + N*k)/N

We can rewrite this as:

M' = (x₁ + x₂ + ... + xₙ)/N + (k*N)/N

and  (x₁ + x₂ + ... + xₙ)/N was the original mean, then:

M' = M + (k*N)/N

M' = M + k

Then if we increase all the elements by a constant k, the mean is also increased by the same constant k.

6 0
3 years ago
Solve for x if 5x + 6 = 16<br><br> A) x=5<br> B) x=6<br> C) x=1<br> D) x=2
KIM [24]

Answer:

the answer is D

Step-by-step explanation:

5x+6=16

    -6   -6

5x=10

divide both sides by five

x=2

3 0
2 years ago
Read 2 more answers
For what real life situation might you calculate -8 + 12
Rashid [163]

Answer:

4

<h3>When u have a bank account and are 8 dollars below proficiency and you add 12 dollars to your bank account</h3>

Step-by-step explanation:

add 12 to -8

4

3 0
3 years ago
Read 2 more answers
If f(x)=2x²-5x and h(x)=7x-13, find (h-f)(-4)
elena-s [515]

-14x^{2} -x+33Answer:

Step-by-step explanation:

6 0
2 years ago
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