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ddd [48]
3 years ago
14

Can someone help me with number 18 please

Mathematics
1 answer:
Akimi4 [234]3 years ago
7 0
I got it its  this answer i used mathpapa for this
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Referring to triangle ABC, find the area of the triangle.
kondaur [170]

Answer:

Area = 337

Step-by-step explanation:

Given

a = 42.5

c = 35.5

B = 153.5^\circ

Required

Area of triangle

This is calculated as:

Area = 0.5 *a* c * \sin(B)

This gives:

Area = 0.5 *42.5* 35.5 * \sin(153.5)

Area = 0.5 *42.5* 35.5 * 0.4462

Area = 336.602125

Area = 337 --- approximated

4 0
3 years ago
Is 0.23 or 2.3% greater?
Vaselesa [24]

Answer:

0.23

Step-by-step explanation:

If you convert 0.23 into a percent, it becomes 23%, which is more than 2.3%.

<em>Hope that helps!</em>

<em>-Sabrina</em>

5 0
3 years ago
Can someone please help me!!!
Pavlova-9 [17]

Answer: The next step will be 2x - 1 = 9

Step-by-step explanation:

4x -1 = 2x + 9

-2x       -2x  

2x -1 = 9

    +1  +1

2x= 10

x= 5

7 0
3 years ago
Read 2 more answers
Helpppppppppppppppppp asap thanks
Ira Lisetskai [31]
For this case we have the following vertices:
 D = (- 1, -1)
 E = (1, -1)
 F = (- 1, -6)
 Then, the vertices after the transformation are:
 D '= (- 1, 1)
 E '= (1,1)
 F '= (- 1,6)
 The x coordinate remains the same
 The y coordinate change sign.
 Therefore, the transformation is:
 Reflection on the x axis.
 Answer:
 
Reflection on the x axis.
 
option 1
5 0
3 years ago
Jackson’s backpack weighs 7 3/4 pounds. After he adds food and water to his backpack, it weighs 11 3/4 pounds. If the water weig
rodikova [14]

Answer:

2.25 or 2 1/4 pounds

Step-by-step explanation:

We need to find the weight of the food and water. To do this, find the difference between his backpack before the food and water and after. His backpack without the food is 7 3/4 pounds, and his backpack after is 11 3/4 pounds.

11 3/4 - 7 3/4

4

The food and water together weigh 4 pounds. We know the water weighs 1 3/4 pounds, so we can subtract it from the total to find what the food weighs.

4- 1 3/4

2 1/4

As a decimal: 2.25

The food weighs 2 1/4 or 2.25 pounds

3 0
3 years ago
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