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gizmo_the_mogwai [7]
3 years ago
15

Alexis wants to buy $500 worth of new clothes before school starts. She decides to have a garage sale to earn the money for the

clothes. She hopes to sell her comic book collection for $200, stuffed toys for $100, a bicycle for $50, and a few knicknacks from her room for $250. The probabilities that her neighbors want to buy the stuff Alexis is selling are distributed as shown in the table. P(X) Probability Comics Toys Bikes Knicknacks What is Alexis's expected garage sale income, and how much more would she need to earn to break even?
Mathematics
1 answer:
Digiron [165]3 years ago
4 0
Answer choices given?
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(r3 +6r2 −21r−18)÷(r−3) solve using synthetic division
alexandr402 [8]

Answer:

y = x^2 + 9x + 6    No remainder.

Step-by-step explanation:

The divisor will be 3 The sign on the divisor switches.

3 || 1    +     6    -    21    -   18 ||

                 3         27     + 18

================================

      1          9         6          0


The answser is x^2 + 9x + 6

5 0
3 years ago
If the three angles of a quadrilateral are 120, 130, 100 then what is the fourth angle?
nalin [4]

Answer:

c. 40

Step-by-step explanation:

3 0
2 years ago
According to the key of a particular park map, every 8 inches on the map represents 3 miles of trails in the park. How many inch
MA_775_DIABLO [31]

Answer:

24 inches represents 9 miles in the map

Step-by-step explanation:

To solve this problem you take into account that 8 inches represents 3 miles and that x represent the number of inches for 9 miles. That is:

8 ------- 3

x ------- 9

This is simply a rule of three, then you calculate:

x=\frac{8\ x\ 9}{3}=\frac{72}{3}=24

Hence, 24 inches represents 9 miles in the map

8 0
2 years ago
Determine whether the statement below is always, sometimes, or never true. Justify your reasoning.
zloy xaker [14]
This is sometimes true I say this because if u substitute your answers that can be different or can be the same.
for ex. x=6 y=6; 6-3 and 6-3 will be the same but if x= 10 and y=15; 10-3 and 15-3 would give you different answers
5 0
3 years ago
Read 2 more answers
19. Which is the suitable identity used to evaluate 9992 ?
andrew11 [14]

Answer:

I suppose you mean 999^2

(1000-1)^2

which comes under the identity

(a-b)^2=

(a^2 + b^2 - 2ab)

hope this helps

5 0
2 years ago
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