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Contact [7]
3 years ago
9

10.

Mathematics
1 answer:
Hatshy [7]3 years ago
7 0

Answer:

15

Step-by-step explanation:

4 (Book per cost)+ 4.47 (Shipping Fee) = 8.75 cost of one book $132.75 Divided by $8.75 = 15 Books bought.

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2x2 + 2x - 1 when x = -3
myrzilka [38]
2x2+2x-1=
4+2(-3)-1=
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4+(-7)=
-3
4 0
2 years ago
Read 2 more answers
Wildlife conservationists are concerned that the deer population might not be constant across the National Forest. The scientist
tankabanditka [31]

Answer

9 deer per square- mile

Step-by-step explanation:.

7 0
2 years ago
Help me, and Marcus we need it
saw5 [17]
This is not middle school work
6 0
2 years ago
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Is the point (4,2) the solution to the system? Why or why not? Explain your reasoning.
VMariaS [17]
Solve the top equation to get on variable on one side
2x-y=6
-y=-2x+6
y=2x-6
then plug in the coordinate for x and y for both equations. if both equations are true then it’s a solution
2=2(2)+6
2=10

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so it’s not a solution
4 0
2 years ago
Help me check my answer!
astra-53 [7]

Step-by-step explanation:

ah, here you go.

come on, now. you know this now ...

again, mutually exclusive attributes in the table (no overlap here) allow us to add the numbers for a total :

4+2+12+10 = 28 students in total.

how many of those 28 fulfill our desired criteria (has a brother) ?

well, it is the sum of the column "has a brother", as it does not matter, if there is also a sister or not.

so, it is 4 + 12 = 16

therefore, the probability to pick a student randomly, who has a brother is

16/28 = 4/7 = 0.571428571...

5 0
2 years ago
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