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Lesechka [4]
2 years ago
14

Pleaseeee help! I don't get this!! Please leave a detailed explanation of how you got your answer!!!

Mathematics
2 answers:
Elanso [62]2 years ago
8 0
There is secretly a rectangle and a square. The rectangle is at the bottom and the square is at the top.

rectangle:
The bottom of the rectangle measures 9cm. The sides measure 2cm; 9x2=18
The rectangle measure 18.

Square:
The top measure 6cm. The side measures 5cm. 5x6=30
So now you add everything together. 30+18=48

You could find the rectangle and the square by just creating a simple line. Some of the numbers don’t matter for example 3cm and 7cm didn’t matter in this situation. Hope this helped!!
lisov135 [29]2 years ago
6 0

Answer:

Step-by-step explanation:

Break down the figure into two shapes.

SHAPE A: The larger one. We can infer the size of the bottom is 6 cm because it's the same size as it's top counterpart. Same goes for the left side, which will have a measure of 7 cm.

SHAPE B: The smaller one. We're going to use the same method as we did with the first one, and infer the lengths of the other sides using the existing ones.

To calculate area, it's length times width.

SHAPE A: Its two side measures are 6 and 7, which equates to 42 cm^2.

SHAPE B: Its two side measures are 2 and 3, which equates to 6 cm^2.

If you add the two, the total area is 44 cm^2.

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Simplify each expression completely.<br>7[3+2(x-4)-6(x-4)]
sergeinik [125]

Answer:

21 + 14x - 56 - 42x + 168

= 133  - 28x

Step-by-step explanation:

6 0
3 years ago
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What is the answer to this question
Schach [20]
Vertical angles are equal

4x = 45 + 15
4x = 60
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Five cans for six dollars or eight cans for cans $10
antiseptic1488 [7]
If this is for a better deal if you made the prices the same so instead of 5 for six itd be 50 for $60 and 8 for $10 would be 48 for $60 obviously 5 for 6 is the best choice. thats just how i was taught i hoped this helps 

5 0
3 years ago
Solve the linear system of equations using the linear combination method.<br><br> {8a−4b=205a−8b=62
11Alexandr11 [23.1K]
Sorry I am a little late...

a = -2

b = -9

Here is how to solve the problem. 

First thing I did was multiply the first equation by -2 so that we can eliminate the the b. After you multiply it by -2, your new equation is -16a + 8b = -40. 

You leave the second equation alone and all you do is combine like terms. So -16a+5a is -11. And you eliminate the b. Then you're going to do -40+62 which is 22. So it's -11a=22 and then you have to solve for a. What I did was I multiplied the whole thing by minus to turn the a positive. So then it's 11a=-22. Pretty easy, the final step is to simplify. -22/11 is -2. ;D 

So there you have your first answer. 

a = -2 

Now we're going to use the first answer to help us find b. 

For the second equation, all you're going to do is plug in that a. 

5 (-2)-8b=62 

-10 - 8b = 62

Now we move the -10 to the other side...

-8b = 62 + 10 

-8b = 72

Multiply the whole thing by negative once again to turn the b positive.

Now we have 8b = -72 

The final step is to simplify. -72/11 = -9

b = -9 

Hope this makes sense! Also I had the same question on my test and I got it right. :)

6 0
3 years ago
the hypotonuse of a right triangle measures 15cm and one of its legs meauseres 8cm find the measure of the other leg
Elza [17]

Answer:

12.6 cm

Step-by-step explanation:

(other leg)² = (15)² - (8)²

(other leg)² = 225 - 64

other leg = √161 ≈ 12.6 cm

8 0
2 years ago
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