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saw5 [17]
3 years ago
8

Dwight has 3 baseball cards, and Ellis has 9 baseball cards. If Dwight and Ellis put their baseball cards together and then divi

de them up equally, how many will each one of them have?
A balance diagram going from 1 to 9. The mean is 6. Circles are above 3 and 9.
3
6
9
12
Mathematics
2 answers:
sergeinik [125]3 years ago
7 0
Your answer is going to be 6
natta225 [31]3 years ago
4 0

Answer:

6

Step-by-step explanation:

3+9=12. Since they put their cards together, they have 12. When you divide them equally, you have to divide by 2 because there are 2 people. So 12/2=6.

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Use the quadratic formula to solve x² + 9x + 10 = 0.<br><br> What are the solutions to the equation?
jok3333 [9.3K]

Answer:

-1.30\ and\ -7.70 (2 decimal places)

Step-by-step explanation:

Quadratic Formula: x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

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

x^2+9x+10=0

Plug in values:

x=\frac{-9\pm \sqrt{9^2-4\cdot \:1\cdot \:10}}{2\cdot \:1}

First value of x:

x=\frac{-9+\sqrt{41}}{2}=-1.30 (2 decimal places)

Second value of x:

x=\frac{-9-\sqrt{41}}{2}=-7.70 (2 decimal places)

6 0
3 years ago
What two numbers multiply to 75 and add too -20
tensa zangetsu [6.8K]

Answer:

Step-by-step explanation:

-15 times -5 = 75

-15 + -5 = -20

5 0
3 years ago
What is the equation of the line that goes through the points (4,-1) and<br> (2,3)?
Arturiano [62]

Answer:

<u>y = -2x + 7</u>

Explanation:

<em><u>y = mx + b</u></em>

<em><u /></em>

<em>m = slope</em>

<em>b = y-intercept</em>

<em>y = a given y coordinate</em>

<em>x = a corresponding x coordinate</em>

<em />

First, we need to find the slope (m).

1) (4, -1)

2) (2/3)

m = slope = \frac{y_2-y_1}{x_2-x_1} = \frac{3-(-1)}{2-4} = \frac{4}{-2} = -2

plug in the values to the equation <u>y = mx + b</u>

<u />

-1 = -2(4) + b

-1 = -8 + b

7 = b

now, we can substitute in m and b into the equation y = mx + b

<u><em>y = -2x + 7</em></u>

5 0
3 years ago
Probability involving choosing from objects that are not distinct
Sliva [168]

Step-by-step explanation:

No. of possible selections= 5+4+3= 12

Probability of selecting drama= 3÷12

= 1÷4

PLEASE MARK BRAINLIEST.

7 0
3 years ago
How may square roots does it to take to get a square root of the square root?
Xelga [282]

If you want to take a square root of a square root you will need 2 squares roots,


For example, i want the square root of the square root of 16.


I'll take it first: √16 = 4 and again, √4 = 2


So, the square root of the square root of 16 is 2.


But you can also make a root with index 4.


\sqrt[4]{16}=2


Because if you do 2.2.2.2 you will take 16.

3 0
3 years ago
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