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Karo-lina-s [1.5K]
3 years ago
5

Help i dont understand this

Mathematics
1 answer:
True [87]3 years ago
7 0

Answer:

b

Step-by-step explanation:

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A square picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. Find the area of the mat that
Andreas93 [3]

Answer:

52^2 - 32^2 = 1680 inches²

7 0
3 years ago
How would you solve 3x+6x+20=92
Radda [10]
3x + 6x + 20 = 92
9x + 20 = 92
9x = 72
x = 8
4 0
3 years ago
Help me out pleaseeee
gladu [14]

4x - y = 5 --> 4x = y + 5

substitute

4x + 4y = -4

(y + 5) + 4y = -4

5y + 5 = -4

5y = -9

y = -1.8

solve x

4x = y + 5 = -1.8 + 5 = 3.2

x = 3.2/4 = 0.8

6 0
3 years ago
How do you do that?????
Elden [556K]
This question is easy once you understand. So when adding, subtracting, multiplying, or dividing with whole numbers you turn it into a fraction. So 12 is going to become 12/1. 8 1/8 is a mixed number so we have to turn it into an incomplete fraction. Here is how you do it. Multiply the denominator by the who number. So 8 x 8 = 64. Then you add your product to the numerator, which will make it 65. Then after this you keep your denominator giving you 65/8. Now we have to find the common denominator by finding the LCM. So the LCM is 8. Next we divide the old denominator by the new denominator. So 1 goes into 8, 8 times. And next 8 x the numerator. so 8 x 12 = 96. We do the same to the other side. Now we have 96/8 - 65/8 = 31/8. Finally we make this a mixed number. So 31 divided by 8. So you should get 3 7/8. 

I hope this helps! :)
5 0
3 years ago
Jackson drinks 0.44 liters of water, which was 55% of the water in the bottle. How much water was in the bottle to start?
Delicious77 [7]

Answer:

He had 0.8 liters to start with...

Step-by-step explanation:

0.44 is 55% of what? (what = x)

Equation: Y = P% * X

X = Y/P%

X = 0.44/55%

55% = 0.55

X = 0.44/0.55

X = 0.8

7 0
3 years ago
Read 2 more answers
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