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lidiya [134]
3 years ago
15

Solve the equation. Please show your work.2(-5x+7)=-6

Mathematics
2 answers:
just olya [345]3 years ago
5 0

2 \times  - 5x =  - 10x
2 \times 7 = 14
- 10x  + 14 =  - 6
- 14
- 10x =  - 20
x = 2
vladimir2022 [97]3 years ago
4 0

Answer:

x = 2

Step-by-step explanation:

2 (-5x + 7) = -6  (original problem)

-10x + 14 = -6  (distributive property)

         -14    -14  (inverse operation

-10x = -20  (addition)

-1/10 x -10x = -20 x -1/10  (inverse operation)

x = -20/-10 (multiply)

x = 2  (simplify)

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From sea level, a submarine descends 20 feet per minute. Where is the submarine in relation to sea level 5 minutes after it star
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The correct answer is C.) 100 feet

(Feet per minute) x (number of minutes)

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4 years ago
Calculate:
Nadya [2.5K]

Answer:

13.64 litres

Explanation

Since 1 gallon = 4.546 litres

Therefore...3 gal

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3 years ago
Mr. Evans is considering offering a second after-school tutoring session for his math students each week. He records the number
horrorfan [7]

Answer:

The correct options are:

Four families said they ate out twice the previous week.

One family said they ate out 5 times the previous week.

The median best represents the data set.

Step-by-step explanation:

We are given a data set as:

4, 2, 2, 0, 1, 6, 3, 2, 5, 1, 2, 4, 0, 1

On arranging this data set in the frequency table we get:

Number of times they went for dinner    Number of families  

          0                                                          2

          1                                                           3

          2                                                          4

          3                                                           1

          4                                                           2

          5                                                           1

          6                                                            1

Hence, the range of the number line is between 0 to 6.

Also there are 4 dots above 2.

   Hence,  Four families said they ate out twice the previous week.

Also there is one dot above 5.

       Hence,  One family said they ate out 5 times the previous week.

The data set is not symmetrical since the median is 2 and the data points to the left and to the right do not have symmetry.

Hence, the data set is not symmetrical.

Also we know that the median of the data is the central tendency of the data and always best represents the data.

Hence, The median best represents the data set.

Hope it helped u!.... Btw can u plz mark me BRAINLIEST.. If it helped u?

Tysm!

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