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umka2103 [35]
2 years ago
12

Mrs. Vance decided to buy dress shirts for her two sons. She bought her older son a blue shirt for $9.91, and she bought her you

nger son a white shirt for $9.68. How much did she spend in all
Mathematics
2 answers:
Stels [109]2 years ago
6 0

Answer: $19.59

Step-by-step explanation:

9.91 + 9.68 = 19.59

AveGali [126]2 years ago
4 0

Hope the picture will help you

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There are four blue marbles, an unknown number of red (r) marbles, and six yellow marbles in a bag. Which expression represents
MAXImum [283]

Answer:

There are a total of 4 + r + 6 marbles in the bag

The probability of a blue is  \frac{4}{10+r}  

The probability of a red is  \frac{r}{10+r}  

The probability of choosing a blue, replacing it and then a red is

\frac{4}{10+r} × \frac{r}{10+r}  =  [tex]\frac{4r}{100+20r+ r^{2} /[tex]

Step-by-step explanation:

6 0
3 years ago
The city is planning to add a fish pound to a neighborhood park. the figure below is a scale drawing of the fish pound. its scal
CaHeK987 [17]

Answer: Sorry if it's wrong I hope I helped you

5 0
2 years ago
Oh no! Thomas is lost in the GGBL building after an exam, and trying to get out. Thereare four identical hallways leading away f
Brums [2.3K]

Answer:

Check the explanation

Step-by-step explanation:

Since each and every one of the 4 hallways is equally likely then

P(H1)=1/4P(H2)=1/2P(H3)=1/4

Now, if he chooses H1 he escapes after 12 minutes then

E(T|H1)=12

If he chooses H2 then he wastes 10 minutes and then he is again in the same starting

position so he expects to escape in E(T) minutes, then

E(T|H2)=10+E(T)

Analogously, if he chooses H3 then he wastes 40 minutes and then he is again in the same starting

position so he expects to escape in E(T) minutes, then

E(T|H3)=40+E(T)

Therefore

E(T) = E(T|H1)P(H1) + E(T|H2)P(H2) + E(T H3)P(H3) = (12) + (E(T) +10) + (E(T) + 40) = 3+ *E(T)+5+ 10 = E(T) +18 CON A'

So we have

E(T) = E(T) + 18 E(T) = 18 E(T) = 4(18) = 72

Therefore he is expected to escape in 72 minutes

7 0
3 years ago
Pls answer i need the answer
just olya [345]

Answer:

(-2,5)

Step-by-step explanation:

4x+4y=12

6x-4y=-32

10x=-20

x=-2

4(-2)+4y=12

-8+4y=12

4y=20

y=5

7 0
3 years ago
Am I right on this one.
Marat540 [252]

i think it is because...

the slope of line b is slightly steeper than the slope of line a.

hope this helps!

6 0
3 years ago
Read 2 more answers
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