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swat32
3 years ago
6

Please. Someone help me

Mathematics
1 answer:
DerKrebs [107]3 years ago
8 0

............ Could you tell me the name of your maths book?

You might be interested in
11/2=21/2/5/2(9/2)+b<br> Solve for b
____ [38]
We can times 5/2 and 9/2. And then divide that number with 21/2.
Then we can get 15/14.
We can subtract 15/14 from 11/2.
b=31/7
4 0
4 years ago
Pablo bought 4 CDs that were each the same price. Including sales tax, He paid a total of $70.40. Each CD had a tax of $1.10. Wh
Ann [662]

Answer:

$16.50

Step-by-step explanation:

Total cost: $70.40

Per CD w/ tax: $70.40 ÷ 4 = $17.60

Price of CD w/out tax: $17.60 - $1.10 = $16.50

8 0
3 years ago
1. According to the Center for Disease Control and Prevention, the breast cancer rate for women has decreased at 0.9% per year b
jeka94

Answer:

a. 199,389

b. b. From the part A, the question suggests a 0.9% yearly decrease which amounts to 199,389. This answer does not correspond to their recorded figure because the 0.9% decrease was just an average taken over the period. There could be years that the decrease was way smaller than the recorded average, thus using average may not be a good way for calculating population decrease over a period of time.

Step-by-step explanation:

a. Population in 2009 = 192,370

This means that in 2005 the population = 192,370 x 1.009 x 1.009 x 1.009 x 1.009 = 199,389

b. From the part A, the question suggests a 0.9% yearly decrease which amounts to 199,389. This answer does not correspond to their recorded figure because the 0.9% decrease was just an average taken over the period. There could be years that the decrease was way smaller than the recorded average, thus using average may not be a good way for calculating population decrease over a period of time.

5 0
3 years ago
Pedro cut a sheet of poster board into 10 equal parts. His brother used some of the poster board and now 8/10 is left. Pedro wan
yawa3891 [41]

Answer: 8


Step-by-step explanation:

Given: Pedro cut a sheet of poster board into 10 equal parts.

let x be the total sheet.

then, one part of sheet= \frac{1}{10} of the sheet

Now, His brother used some of the poster board and now 8/10 is left.

Therefore, if Pedro wants to make a sign from  each remaining part of the poster board.

then, The number of signs he can make= \frac{8}{10}\div \frac{1}{10}=\frac{8}{10}\times\frac{10}{1}=8

Hence, Pedro can make 8 signs.

4 0
4 years ago
Read 2 more answers
What is the value of y in the parallelogram below?<br> 108<br> O A. 24<br> O c. 69<br> O D. 36
My name is Ann [436]

Answer:

(A) y = 24

Step-by-step explanation:

Given GDEF is a parallelogram and m∠E = 108°

To find: value of y

In ║grm GDEF,

m∠D + m∠E = 180°   (Consecutive angles of parallelogram are supplementary)

3y° + 108° = 180°

3y° = 180° - 108°

3y° = 72°

y = 72°/3 = 24°

Therefore, option (A) is the correct answer.

5 0
3 years ago
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