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rjkz [21]
3 years ago
7

Select the correct option from the menu.

Mathematics
1 answer:
Elina [12.6K]3 years ago
6 0
3(x+3) = 8x-5x+7

3x + 9 = 3x + 7

9 = 7

No solution option A
You might be interested in
0.96% as a fraction in simplest form.<br> help needed
Mariulka [41]

Answer:

24/25

Step-by-step explanation:

0.96%

96/100

24/25

8 0
4 years ago
Derek takes a piece of wood that is 3/4 inch think and glued it to another price of wood that is 2/3 inch thick. Solve the probl
kogti [31]
First off, you didn’t really ask a question you just told us what the thickness of the wood pieces are. But if you are trying to get a equal denominator you first write out the two fractions side by side and find a common denominator.

3/4 and 2/3

The lowest common denominator between 4 and 3 is 12 so in the first equation you multiply both the top and bottom by 3.

3/4 —> 3 times 3 is 9 and 4 times 3 is 12.
To make it 9/12

The second equation you do the same to make both the denominators equal but this time you multiply them by 4.

2/3 —> 2 times 4 is 8 and 3 times 4 is 12.
Making it 8/12

So side by side the two piece of wood started out as

3/4 and 2/3
But the first piece is bigger as it turned into
9/12 and 8/12
5 0
3 years ago
Read 2 more answers
Dons signature coffee blend is 60% dark roast and 40% light roast. He has 10 kg of blend A, which is 80% dark roast and 20% ligh
astraxan [27]

Answer

Find out the how many kilograms of blend A will don need to use to make 10 kg of his signature blend .

To proof

As given

Dons signature coffee blend is 60% dark roast and 40% light roast.

He has 10 kg

60 % is written in the decimal form

= \frac{60}{100}

= 0.6

40 % is written in the decimal form

= \frac{40}{100}

= 0.4

Now 60% dark roast of  10 kg = 0.6 ×10

                                                 = 6 kg

Now 40% of  10 kg = 0.4 × 10

                               = 4 kg

As given

He has 10 kg of blend A, which is 80% dark roast and 20% light roast  i.e 80% of the 6kg is dark roast and 20% of the  4kg is light roast .

80% is written in the decimal form

= \frac{80}{100}

= 0.8

80% of the 6kg is dark roast = 0.8 × 6

                                                = 4.8 kg

20% is written in the decimal form

= \frac{20}{100}

= 0.2

20% of the 4kg is light roast = 0.2 × 4

                                               = .8kg

Total kilograms of blend A will don need to use to make 10 kg of his signature blend =  4.8 kg + .8 kg

                          = 5.6 kg

Hence proved




 


8 0
3 years ago
Find the multiples of 8 and 10
Alecsey [184]
8x10=80
8-are 8, 16, 24, 32, 40, 48, 56, 64, 72, 80
10-10, 20, 30, 40, 50, 60, 70, 80, 90, 100
3 0
3 years ago
3(4x+1)=15? X=<br> What is the solution?
tensa zangetsu [6.8K]

Answer:

x=1

Step-by-step explanation:

3(4x+1)=15

12x+3=15

12x=15-3

12x=12

x=12/12

x=1

3 0
3 years ago
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