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Valentin [98]
2 years ago
8

Twice the difference of a number and 8 is 6. use the variable x for the unknown number.​

Mathematics
1 answer:
Sholpan [36]2 years ago
4 0

Answer:

11

Step-by-step explanation:

Unknown number = x

If twice the difference of x and 8 is 6:

2(x-8) = 6

2x-16 = 6

2x = 6 + 16

2x = 22

x = 22/2

x = 11

Answer from Gauthmath

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Solve the equation for y: -3y - 2 = 10
slavikrds [6]
Answer y=-4

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3 years ago
What is the relationship between Bassanio and Antonio in the Merchant of Venice
astraxan [27]

Answer:

difficult question

8 0
3 years ago
What's the error? Jerry says that a cube with edges that measure 10 cm has a volume that is twice as much as a cube with sides t
disa [49]
The quick way to dispute something like this is to simply do the calculation and then create a ratio. 

Cube One (Large Cube)
The formula for a cube is V = e^3 
e = the measurement of an edge. In this case.
e = 10 cm
V = e^3
V = 10^3 = 10*10*10
V = 1000 cm^3

Cube 2 (Small Cube)
V = e^3
e = 5 cm
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Ratio
Large Cube / Small Cube = 1000 / 125 = 8/1.

The difference in size is 8 to 1 not 2 to 1.

Explanation
He's right if he sticks to one side. The ratio of one side of the large cube to the small one is 2 to 1. But once you put that into the formula for volume, three sides are multiplied together and that 2 shows up everytime you multiply the sides together. 

4 0
4 years ago
A gardener is planting two types of trees:
denpristay [2]

It takes 12 years for both trees to be of same height

<em><u>Solution:</u></em>

Assume the year that it would take to these trees have the same height is : x (years)

<em><u>Type A is 7 feet tall and grows at a rate of 23 inches per year:</u></em>

Convert 7 feet to inches

We know that,

1 foot = 12 inch

7 feet = 12 x 7 inch = 84 inch

Thus, type A is 84 inches tall and grows at a rate of 23 inches per year

We can frame a equation as:

Type A = 84 + 23(number of years)

Type A = 84 + 23x ---------- eqn 1

<em><u>Type B is 5 feet tall and grows at a rate of 25 inches per year</u></em>

Convert 5 feet to inches

5 feet = 5 x 12 inches = 60 inches

Thus, type B is 60 inches tall and grows at a rate of 25 inches per year

We can frame a equation as:

Type B = 60 + 25(number of years)

Type B = 60 + 25x --------- eqn 2

For both the trees to be of same height, eqn 1 must be equal to eqn 2

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25x - 23x = 84 - 60

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Thus it takes 12 years for both trees to be of same height

7 0
3 years ago
HELP PLS!!! IMPORTANT!
Cerrena [4.2K]

Answer:

#3: The number of pets that is the mode for the class is 1 because the people who have 1 pet appears the most.

explanation: the largest amount of people are the people who have 1 pet.

#4: The percent of students who have at least 3 pets is 25%.

explanation: 6 divided by 24 is 0.25 and and that converted to a percentage is 25%

#5: The median number of pets that students have is 1 pet.

explanation: the middle number of all the people in Yolanda's class is 1.

#6: The range of the number of pets is 9.

explanation: range is the largest number minus the smallest number

9 - 0 = 9

#7: #7 will be attached with this answer.

#8: There are 22 students in the class.

explanation: the added up number of students is 22.

#9: The mode value is 3 students.

explanation: the mode is the number that appears the most. 3 is the number that appears the most.

#10: The median number of concerts that students have attended is 2 concerts.

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#11: The concerts that the students in Mr. Ritter's class have attended in all is 72.

explanation: all the number of concerts attended added up is 72.

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explanation: all the concerts divided by the number of students were are is the mean.

72 / 22 is 3.27.

8 0
3 years ago
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