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Greeley [361]
3 years ago
11

Evaluate 2a + 6b for a = 4 and b = 5.12a+60 =2a + 6b=​

Mathematics
2 answers:
Kobotan [32]3 years ago
7 0

Step-by-step explanation:

12×4= 48

48+60= 108

2×4= 8

6×5= 30

8+30= 38

12a+60= 108

2a+6b= 38

galina1969 [7]3 years ago
5 0

Answer:

38 and 108

Step-by-step explanation:

2a + 6b

2 (4) + 6 (5) Plug in values

8+30 = 38

12a + 60

12 (4) + 60 = 108

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3 years ago
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3 years ago
Solve the Equation for y . 9x +5y = -2 ​
ASHA 777 [7]

Answer:

\large\boxed{y=\dfrac{-9x-2}{5}}

Step-by-step explanation:

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3 0
3 years ago
Alona has some wood cutouts of two different shapes - square and triangle. Each square cutout is 6 mm thick and each triangular
kobusy [5.1K]

Answer:

18

Step-by-step explanation:

Volume is a product of cross-sectional area and height and relresented as V=Ah where V is volume, A is cross-sectional area and h is height.

For the square, since each has a thickness of 6mm then for 24 of them the height will be 24*6=144 mm

Since the volume and cross sectional area of the triangle should be the same, then the height should also be the same.

Since for the triangle each has a thickness of 8mm then the number requred to achieve a height of 144 mm will be 144/8=18 stacks

7 0
4 years ago
The width of a rectangle is 12 units. Can the perimeter P of the rectangle be 60 units when its length x is 18 units?
andrezito [222]

No, the rectangle cannot have x = 60 and y = 18 because x + y is less than 60

No, the rectangle cannot have x = 60 and y = 18 because x + y is less than 24

Yes, the rectangle can have x = 60 and y = 18 because x = 12 + 2y

Yes, the rectangle can have x = 60 and y = 18 because x = 24 + 2y

4 0
4 years ago
Read 2 more answers
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