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ahrayia [7]
4 years ago
15

What is a good word problem for the equation: 2(x-1)+4(x+2)=72

Mathematics
1 answer:
UkoKoshka [18]4 years ago
6 0

11

Step-by-step explanation:

2(x-1)+4(x+2)=72

2x-2+4x+8=72

6x+6=72

6x=72-6

6x=66

x=66÷6

x=11

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The length of one side of a square is 15 inches.
Naddika [18.5K]

Answer:

O E. 225 in²

Step-by-step explanation:

3 0
3 years ago
What is the constant of proportionality in the equation y=2.5 times x? This is a khan academy question.
devlian [24]

Answer:

2.5

Step-by-step explanation:

2.5 is the constant of proportionality

8 0
4 years ago
"why does the value of a converging alternating series with terms that are nonincreasing in magnitude lie between any two consec
Sergio039 [100]

The objective is to state why the value of converging alternating seies with terms that are non increasing in magnitude lie between any two consecutive terms of partial sums.

Let alternating series

<span>Sn = partial sum of the series up to  n terms</span>

{S2k} = sequence of partial sum of even terms

{S2k+1} = sequence of partial sum of odd terms

 

As the magnitude of the terms in the alternating series are non-increasing in magnitude, sequence {S2k} is bounded above by S1 and sequence {S2k+1} is bounded by S2. So, l lies between S1 and S2.

In the similar war, if first two terms of the series are deleted, then l lies in between S3 and S4 and so on.

Hence, the value of converging alternating series with terms that are non-increasing in magnitude lies between any two consecutive terms of partial sums. So, the remainder Rn = S – Sn alternating sign

<span> </span>

4 0
4 years ago
Answer ASAP THANKKK YOUUUUU
alexandr402 [8]

Answer:

D. 40

Step-by-step explanation:

Interquartile range is the difference between the upper quartile value (Q3) and the lower quartile value (Q1).

In a box plot, Q1 is located at the beginning of the edge of the rectangular box from our left, while the Q3 is located at the end of the edge of the rectangular box to our right.

Interquartile range for City A = 70 - 40 = 30

Interquartile range for City B = 80 - 40

Therefore, city B has greater variability. The interquartile range is 40.

7 0
3 years ago
Express as a unit rate<br> A caribou travelled 13 km in 30 min
drek231 [11]
Answer:

= 0.43 km per min
Showing Work

This is a fraction equal to
13 km ÷ 30 min

We want a unit rate where
1 is in the denominator,
so we divide top and bottom by 30

13 km ÷ 30 min =0.43 km per minute 
   

5 0
4 years ago
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