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const2013 [10]
3 years ago
6

Solve this equation 6(4.5y-12)=9

Mathematics
1 answer:
irinina [24]3 years ago
6 0
6(4.5y - 12) = 9

(4.5y - 12) = 9/6

4.5y - 12 = 1.5

4.5y = 1.5 + 12

4.5y = 13.5

y = 13.5/4.5

y = 3 
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On Monday, Anya read 11 pages of a book in 30 minutes. On Tuesday, she read 18 pages in 45 minutes. Did Anya's reading speed inc
Genrish500 [490]
Yes 
11 diveded by 30 equals 61%
30 divided by 45 equals 66%

the average of 61% and 66% is more then 50%

8 0
3 years ago
Alejandro Juarez is paid $829 every two weeks. How much would Alejandro earn in 4 weeks ?
aev [14]

Answer:

$1,658 in 4 weeks

Step-by-step explanation:

Since we are working in intervals of 2, we can just multiply.

829 * 2

1658

Best of luck!

6 0
3 years ago
Read 2 more answers
The size of angle aob is equal to 132 degrees and the size of angle cod is equal to 141 degrees. find the size of angle dob.
Varvara68 [4.7K]

angle AOB = 132 and is also the sum of angles AOD and DOB. Hence 
angle AOD + angle DOB = 132°    ---> 1 

angle COD = 141 and is also the sum of angles COB and BOD. Hence 
angle COB + angle DOB = 141°    ---> 2

Now we add the left sides together and the right sides of equations 1 and 2 together to form a new equation. 

angle AOD + angle DOB + angle COB + angle DOB = 132 + 141       ---> 3 

We should also note that: 
angle AOD + angle DOB + angle COB = 180° 

Therefore substituting angle AOD + angle DOB + angle COB in equation 3 by 180 and solving for angle DOB:
180 + angle DOB = 132 + 141 
angle DOB = 273 - 180 = 93° 

8 0
3 years ago
what is the probability of drawing two blue cards if the first card is not included in the second draw? simplify your answer com
BlackZzzverrR [31]

Answer:

5/14

Step-by-step explanation:

The total number of cards is 8

There are 5 blue cards

P(1st card is blue) = blue/total = 5/8

We take away a blue card

The total number of cards is 7

There are 4 blue cards

P(2nd card is blue) = blue/total = 4/7

The probability of blue blue is P(blue blue ) =

P(1st card is blue)*P(2nd card is blue) =

5/8* 4/7

20/56

We can divide the top and bottom by 4

5/14

3 0
3 years ago
What is the surface area of this composite figure?
faust18 [17]

Answer:

<h2>          294 cm²</h2>

Step-by-step explanation:

6\cdot6+5\cdot(6\cdot7)+6\cdot4+2\cdot(\frac12\cdot6\cdot4)=36+210+24+24=294\,cm^2

4 0
3 years ago
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