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Lostsunrise [7]
2 years ago
9

9 × 2(3 + 5) – (10 × 12) = y

Mathematics
1 answer:
vagabundo [1.1K]2 years ago
5 0
The answer is y=24 your welcome
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Can someone please answer A and B please?
marta [7]

2 bags

7 apples


A) Instead of a lets say:

a = 1, 2 , 3

If a =1  then, (you already know there are 2 bags) you have 1 apple in each bag, making total of 2 apples

If a =2 then you are having 2 apples in each bag making total of 4 apples

If a =3, 3 apples in each bag, making total of 6 apples

Conclusion:

2 * 1 = 2

2 * 2 = 4

2 * 3 = 6

See the difference & pattern here

Now lets do with a

2 * a = 2a


B) If a = 6

then,  2*6 = 12

lets continue from a =3

2*4=8

2*5=10

2*6=12

See the pattern again


Tip: Drawing making problem understand better.

6 0
3 years ago
The length of a rectangle is 5 centimeters less than twice its width. The perimeter of the rectangle is 26 cm. What are the dime
iris [78.8K]

Let w and l be the length and height of the rectangle.

We know that:

\begin{cases}l = 2w-5\\2(l+w)=26\end{cases}

Substitute the first equation in the second:

2(l+w)=26 \iff l+w=13 \iff 2w-5+w=13 \iff 3w = 18 \iff w=6

Use the first equation to compute the length:

l=2\times 6 - 5 = 12-5=7

So, length = 7 cm; width = 6 cm

8 0
3 years ago
Find the median: 95, 103, 98, 62, 31, 15, 82
USPshnik [31]
The median is 82
Hope I helped
6 0
3 years ago
Pennsylvania has a sales tax of 6%. The city of Philadelphia adds an extra local sales tax of 2%. Both taxes apply to the origin
jonny [76]

Answer:

For the regular tax in Pennsylvania, it would be 12 cents or $0.12. For Philadelphia, it would be 4 cents or $0.04. I got these two amounts by multiplying 2 times 6 or 2 percent, aka 0.06 and 0.02. If you added the two together, you would get, $0.16 or 16 cents. You would then add that to the two dollars and end up with $2.16 or two dollars and sixteen cents. I hope this helps.

Step-by-step explanation:

8 0
2 years ago
What is 8 plus (-2) gehehfbf
nalin [4]

This is just another way of saying 8 - 2.

So, 8 + (-2) = 6.

Hope this helps.

3 0
3 years ago
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