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2 years ago

19 less than a number is the same as the sum of half the number and six. What is the number?

Mathematics

1 answer:

Arada [10]2 years ago

5 0

Step-by-step explanation:

x-19=1/2x+6

50-19= 31

50/ 1/2 = 25 + 6 = 31

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One number is 3 times more than another number. Their sum is 20. What are the two numbers?

Georgia [21]

3x=y
X+Y=20
5=x and 15=y are the answer. You can use elimination or substitution or guess and check!

6 0

3 years ago

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Which of the following represents the solution to the equation shown below? Show work in order to receive full credit?

Gnom [1K]

Answer:

No Solution

Step-by-step explanation:

8x+15=8x (2 times 4x equals 8x)

15=0 (Move the 8x to the other side)

No Solution (15 can't be equal to 0)

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3 years ago

28)A regression equation is obtained for a collection of paired data. It is found that the total variation is 24.488, the explai

Doss [256]

Answer: The coefficient of determination = 0.6291

Step-by-step explanation:

Given: Total variation is 24.488, the explained variation is 15.405, and the unexplained variation is 9.083.

The coefficient of determination is computed as:

$\text{ coefficient of determination} =\frac{\text{explained variation }}{\text{total variation}}$

Substituting given values, we get

$\text{coefficient of determination} =\frac{15.405}{24.488}$

$=0.6291$

Therefore, the coefficient of determination = 0.6291

7 0

2 years ago

Write the eqauation of a line that has the slope pf 6 passes through (-3,5)

Darina [25.2K]

Y = mx + b
slope(m) = 6
(-3,5)...x = -3 and y = 5
now we sub and find b, the y int
5 = 6(-3) + b
5 = -18 + b
5 + 18 = b
23 = b

so ur equation is : y = 6x + 23

6 0

2 years ago

Hii can i pls have help, i will give brainliest:D

tankabanditka [31]

Answer:

Step-by-step explanation:

half gallon is 64 oz. 256 ÷ 64 is 4

7 0

2 years ago

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