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4 years ago

Solve the equation.

Mathematics

2 answers:

olga2289 [7]4 years ago

7 0

Answer:

Step-by-step explanation:

Let's get the variable y on the left side only and the constants on the right side only. To do this, add y to both sides.

This results in 2y = 6, and so y = 3.

xeze [42]4 years ago

6 0

Answer:

Step-by-step explanation:

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A two digit number has 6 more ones than tens. Twice the sum of the number and its reverse is 6 more than ten times the number. F

Alona [7]

The number with the given characteristics is 17

<h3>How to determine the numbers?</h3>

Let the tens be x and the units be y.

So, the number is 10x + y

The relationship between the digits is

y = x + 6

The relationship between the number and the reverse is

2(10x + y + 10y + x) = 6 + 10 * (10x + y)

Simplify the second equation

2(11x + 11y) = 6 + 100x + 10y

Open the brackets

22x + 22y = 6 + 100x + 10y

Substitute y = x + 6

22x + 22(x + 6) = 6 + 100x + 10(x + 6)

Expand

22x + 22x + 132 = 6 + 100x + 10x + 60

Collect like terms

22x + 22x - 100x - 10x = 6 + 60 - 132

Evaluate the like terms

-66x = -66

Divide by -66

x = 1

Substitute x = 1 in y = x + 6

y = 1 + 6

y = 7

Recall that the number is 10x + y

So, we have

Number = 10 * 1 + 7

Evaluate

Number = 17

Hence, the number is 17

Read more about numbers and digits at:

brainly.com/question/12992284

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7 0

2 years ago

Im going to cry... I need help..

Bad White [126]

Answer: 9

Step-by-step explanation:

If 12 is the whole length, and 3 is a small section of it, then 3 + j = 12

Or 12 - 3 = j

Therefore, 12 - 3 = 9

5 0

3 years ago

Read 2 more answers

How do u find the rule of a table of coordinates for cartesian planes

otez555 [7]

Answer:

Measure it or something

4 0

3 years ago

Which measure of central tendency is least appropriate for describing the given data set?

beks73 [17]

Answer: Third option is correct.

Step-by-step explanation:

Since we have given that

6, 6, 6, 7, 8, 8, 29

We will calculate the measures of central tendency:

1) Mode - the most occurring element in the data set.

So, Mode = 6

2) Median - the middle value of organised data set

So, Median = 7

3) Mean - the average of all data set

So, Mean = $\dfrac{6+6+6+7+8+8+29}{7}=\dfrac{70}{7}=10$

So, we can see that Mode and Median are giving the closest value to each other, whereas Mean is giving the farthest value as compared to rest.

Hence, Mean is the least appropriate for describing the given data set.

Thus, Third option is correct.

3 0

3 years ago

In parallelogram DEFG if m

murzikaleks [220]

Answer:

180 - 55 = 125

Step-by-step explanation:

hopeully its right

6 0

3 years ago