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slavikrds [6]
1 year ago
14

Which of the following is a correct interpretation of the expression -4 + 13−4+13minus, 4, plus, 13?

Mathematics
1 answer:
MaRussiya [10]1 year ago
3 0

the sum between negative 4 and 13, this can be tought as:

  • Stepping on -4 and moving 13 units to the right.
  • Stepping on 13 and moving 4 units to the left.

<h3>Which is the interpretation of the given expression?</h3>

The expression is just the sum:

-4 + 13

So we have the sum between negative 4 and 13, this can be tought as:

  • Stepping on -4 and moving 13 units to the right.
  • Stepping on 13 and moving 4 units to the left.

Now, none of the written options (a, b, and c) depict any of this, so I assume that the correct option is the one that you did not write, which is option D.

If you want to learn more about expressions:

brainly.com/question/4344214

#SPJ1

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What is the common ratio of the sequence?<br> -2,6,-18,54
aivan3 [116]

<u>ANSWER</u>

The common ratio is -3.

<u>EXPLANATION</u>

In general, the common ratio of a Geometric Sequence is given by:

r = \frac{a_{n+1}}{a_{n}}

We can find the common ratio using any two consecutive terms of the geometric sequence by dividing the subsequent term by the previous term.

The given sequence is -2,6,-18,54

Using the first two terms the common ratio is

r =  \frac{6}{ - 2}  =  - 3

We could also used the second and third terms to get

r =  \frac{ - 18}{6}  =  - 3

and so on and so forth.

Therefore the common ratio is -3.

6 0
3 years ago
Which equation represents the line that has a slope of 4 and passes through the point (2, 7)?
IrinaK [193]

Answer:

A) y = 4x - 1

Step-by-step explanation:

y = mx + b

y = 4x + b

7 = 4(2) + b

7 = 8 + b

-1 = b

y = 4x - 1

8 0
3 years ago
The difference between 31 and a number is 7
astra-53 [7]

Answer:

thirty-eight

Step-by-step explanation:

31+7= answer

5 0
3 years ago
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Someone plz answer this I need help will give you brainiest
Olenka [21]

Answer:

80

Step-by-step explanation:

7 0
2 years ago
What is the standard deviation of the following data set rounded to the nearest tenth? 56 ,78 ,123 , 34, 67, 91, 20
quester [9]

Answer:

The standard deviation of the following data set is 32.2

Step-by-step explanation:

step 1

Find the mean

we have

[56,78,123,34,67,9,20]

Sum the data and divided by the number of elements

[56+78+123+34+67+91+20]/7=469/7=67

step 2

For each number: subtract the Mean and square the result

[(56-67)^{2},(78-67)^{2},(123-67)^{2},(34-67)^{2},(67-67)^{2},(91-67)^{2},(20-67)^{2}]

[121,121,3,136,1,089,0,576,2,209]

step 3

Work out the mean of those squared differences

[121+121+3,136+1,089+0+576+2,209]/7=1,036

This value is called the "Variance"    

step 4

Take the square root of the variance

standard\ deviation=\sqrt{1,036}=32.2

6 0
3 years ago
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