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sasho [114]
4 years ago
13

What is the common difference between the elements of the arithmetic sequence below? –18, –22.5, –27, –31.5, –36

Mathematics
1 answer:
Inga [223]4 years ago
5 0

Answer:

-4.5

Step-by-step explanation:

I did the assignment

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3(-4n - 9) = 21 plc solve ​
erma4kov [3.2K]
<h3>Answer:</h3>

\huge{\boxed{n=-4}}

<h3>Explanation:</h3>

\begin{array}{cc}\begin{flushright}\text{Divide both sides of the equation by 3.}\end{flushright}&\begin{flushleft}-4n-9=7\end{flushleft}\\\begin{flushright}\text{Add 9 on both sides.}\end{flushright}&\begin{flushleft}-4n=16\end{flushleft}\\\begin{flushright}\text{Divide both sides by -4.}\end{flushrigh}&n=-4\end{array}

7 0
4 years ago
Read 2 more answers
A store manager at a local clothing store recorded the number of customers that visited the store each day for two weeks. 20, 24
krok68 [10]

Answer:

STEM ______ Leaf

2 ______ 0 0 2 4

3 _______ 6 8

4 _______ 2 7

5 ______ 5 7

6 ______ 1 2 3 5

Step-by-step explanation:

Given that data:

20, 24, 65, 36, 47, 55, 62, 20, 22, 63, 38, 42, 57, 61

STEM ______ Leaf

2 ______ 0 0 2 4

3 _______ 6 8

4 _______ 2 7

5 ______ 5 7

6 ______ 1 2 3 5

The unique numbers which starts each value is the stem while the second digit of each unique stem is the leaf.

8 0
3 years ago
Travis paid $27.50 for 11 pounds of grapes how much would travis pay for 4 pounds of grapes
Zepler [3.9K]
$27.50/11 = $2.5
2.5 x $4 = $10
Travis would pay $10 for 4lbs of grapes
5 0
3 years ago
All of the following expressions are equivalent, except ______.
oksano4ka [1.4K]

Answer:

x - 7

Step-by-step explanation:

Let's let x = 4 and see which one would be different

x - 7 = 4 - 7 = -3

7 + (-x) = 7 + -4 = 3

-x + 7 = -4 + 7 = 3

7 - x = 7 - 4 =3

As you can see, the top answer would be negative while all the rest are positive. This is because, in that case, the negative sign was attached to the 7 instead of the x.

8 0
3 years ago
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An aerosol can contains gases under a pressure
slavikrds [6]

Answer:

temperature on the beach = T2 = 34.56 °C

Step-by-step explanation:

We are given;

P1 = 4.5 atm

T1 = 24 °C = 24 + 273 = 297 K

P2 = 4.66 atm

Thus, P1/T1 = P2 /T2

So, T2 = P2•T1/P1

Thus, T2 = (4.66x 297)/4.5

T2 = 307.56 K

Let's convert to °C to obtain ;

T2 = 307.56 - 273

T2 = 34.56 °C

7 0
3 years ago
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