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vampirchik [111]
2 years ago
7

What is 108 times 8.5

Mathematics
2 answers:
valina [46]2 years ago
5 0
108 times 8.5 is 918
kvasek [131]2 years ago
3 0

Answer:

918

Step-by-step explanation:

108 x 8.5

108 x 5 = 540

108 x 8 =  864

      540

+   864

-----------------

    918.0

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Empathy means being able to understand what others feel. To see how the brain expresses empathy, researchers recruited 16 couple
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Answer:

the residual is 0.2032

Step-by-step explanation:

The regression line has been given as:

Y^ = 0.00753X-0.06759

The paired observation for X is (31, 0.369)

The value of X is the empathy score under subject 15 = 31

The value of the brain activity under subject 15 is 0.369

So we have y^ = 0.00753(31) - 0.06759

= 0.1658

Then the residual = y - y^

= 0.369 - 0.1658

= 0.2032

Therefore the residual is 0.2032

Please check the attachment for the table, it will aid you in understanding the solution

4 0
2 years ago
A baseball team lost 4 more games than it won. If the team played 46 games, how many did it lose? How many did it win?
blsea [12.9K]
The team won 27 games and lost 19
4 0
2 years ago
Which ordered pair is the vertex of y=|x+5|-1
nataly862011 [7]

We can tell that this absolute value function opens up, so the vertex will be at the x value where the output is the lowest. The lowest you can make |x+5| go is 0, because everything else will be a positive number is greater. The one x value that does that is -5. Plug in -5, and you will get |-5+5|-1=-1. So, the ordered pair for the vertex will be (-5,-1)

3 0
3 years ago
What is the area of the two rectangles shown below?
DedPeter [7]

Answers are in bold.

<em><u>For the first one:</u></em>

The total area of both shaded and unshaded portions is equal to 3x(4x+7), which simplifies to 12x^2}+21x. The area of the middle white portion is (5x)(2x), which simplifies to 10x^2. To find the area of the shaded portion, we do 12x^2}+21x - 10x^2. Combining like terms, we get 2x^2+21x as our expression for the area of the shaded portion of the first rectangle.

<u><em>For the second one:</em></u>

The total area of both shaded and unshaded portions is equal to 6n(8n+14), which simplifies to 48n^2}+84n. The area of the middle white portion is 10n(4n+1), which simplifies to 40n^2+10n. To find the area of the shaded portion, we do 48n^2+84n-40n^2+10n. Combining like terms, we get 4n^2+94n as our expression for the area of the shaded portion of the second rectangle.

6 0
2 years ago
Read 2 more answers
A scientist needs to make 2 liters of saline solution (salt water), in which the salt level must be at 15% concentration (meanin
slamgirl [31]

Answer:

We need 1.6 liters of the 10 % concentration level and saline solution  and 0.4 liters of the 35 % concentration level and saline solution.

Step-by-step explanation:

Let V₁ be the volume of the 10% concentration saline solution required and V₂ be the volume of 35% concentration saline solution required.

Since mass = concentration × volume, the total mass of the 10% and 35% volume saline solution equal the mass of the 2 liter 15% volume solution.

So, 0.1V₁ + 0.35V₂ = 2 × 0.15

0.1V₁ + 0.35V₂ = 0.3 (1)

Also, the total volume of the 15 % solution must equal 2 liters. So,

V₁ + V₂ = 2 (2)

V₁ = 2 - V₂  (3)

putting equation (3) into equation (1), we have

0.1(2 - V₂) + 0.35V₂ = 0.3

0.2 - 0.1V₂ + 0.35V₂ = 0.3

we now collect terms, so

- 0.1V₂ + 0.35V₂ = 0.3 - 0.2

0.25V₂ = 0.1

we now divide through by 0.25, so

V₂ = 0.1/0.25

V₂ = 0.4   liters  

we now put V₂ into (3), we have,

V₁ = 2 - 0.4  

V₁ = 1.6 liters

So, we need 1.6 liters of the 10 % concentration level and saline solution  and 0.4 liters of the 35 % concentration level and saline solution.

3 0
3 years ago
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