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Vesnalui [34]
2 years ago
10

13 points.First Come First Serve!!!!

Mathematics
2 answers:
AleksAgata [21]2 years ago
7 0

Answer:

Can you explain some more?

Step-by-step explanation:

AfilCa [17]2 years ago
5 0

(=0w0=) Little one, welcome! Aaliyah!

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on Saturday, mike did one hundred twenty six sit ups in six minutes. How many sit ups is that per minute?
Harman [31]
126/6=21 so your answer is 21 ! lol 
4 0
3 years ago
Read 2 more answers
find the smallest number of terms of the AP "-54,-52.5,-51,-49.5" ....that must be taken for the sum of the terms to be positive
wel

The smallest number of terms of the AP that will make the sum of terms positive is 73.

Since we need to know the number for the sum of terms, we find the sum of terms of the AP

<h3>Sum of terms of an AP</h3>

The sum of terms of an AP is given by S = n/2[2a + (n - 1)d] where

  • n = number of terms,
  • a = first term and
  • d = common difference

Since we have the AP "-54,-52.5,-51,-49.5" ....", the first term, a = -54 and the second term, a₂ = -52.5.

The common difference, d = a₂ - a

= -52.5 - (-54)

= -52.5 + 54

= 1.5

<h3>Number of terms for the Sum of terms to be positive</h3>

Since we require the sum of terms , S to be positive for a given number of terms, n.

So, S ≥ 0

n/2[2a + (n - 1)d] ≥ 0

So, substituting the values of the variables into the equation, we have

n/2[2(-54) + (n - 1) × 1.5] ≥ 0

n/2[-108 + 1.5n - 1.5] ≥ 0

n/2[1.5n - 109.5] ≥ 0

n[1.5n - 109.5] ≥ 0

So, n ≥ 0 or 1.5n - 109.5 ≥ 0

n ≥ 0 or 1.5n ≥ 109.5

n ≥ 0 or n ≥ 109.5/1.5

n ≥ 0 or n ≥ 73

Since n > 0, the minimum value of n is 73.

So, the smallest number of terms of the AP that will make the sum of terms positive is 73.

Learn more about sum of terms of an AP here:

brainly.com/question/24579279

#SPJ1

4 0
2 years ago
Sylvia, John, and Peter invested their savings in a bank. The ratio of the investment of Sylvia's to John's is 1: 3 and that of
Nastasia [14]

Answer:

4 : 12 : 15

Step-by-step explanation:

S : J = 1 : 3

J : P= 4 : 5

Using John's ratio to find a common ratio for all

S : J

(1 : 3)4 = 4 : 12

J : P

(4 : 5)3 = 12 : 15

Therefore our ratio is

S : J : P

4 : 12 : 15

3 0
3 years ago
The 7th grade has 386 students. There are 32 more girls than boys in the grade how many boys are in the 7th grade
alexandr402 [8]

Answer:

there are 161 boys and 225 girls.

8 0
2 years ago
Read 2 more answers
The following graph shows a proportional relationship.
Molodets [167]

Answer:

4

Step-by-step explanation:

because, if y = 4 and x = 1 then it would be 4/1 or 4 just simplify.  

Y/X --- Y = 4 --- X = 1 ---- that makes 4/1 or 4

5 0
3 years ago
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