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natita [175]
3 years ago
15

ABC ∆ where Angle A =90° , AB = 12 m, AC = 9 m . Find BC ?

Mathematics
1 answer:
Setler [38]3 years ago
6 0

Answer:

15m

Step-by-step explanation:

Use Pythagoras

Folow the steps in the image

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12
mash [69]

Answer:

A

Step-by-step explanation:

I don't think you have the right equation down, so this more of an educated guess than an actual direct answer

4 0
3 years ago
Find each function value.
Levart [38]

Put the values of x to the equations of the functions:

1. f(9) → x = 9; f(x) = -3x + 10

f(9) = -3(9) + 10 = -27 + 10 = -17

2. f(-2) → x = -2; f(x) = 4x - 1

f(-2) = 4(-2) - 1 = -8 - 1 = -9

3. f(-5) → x = -5; f(x) = -2x + 8

f(-5) = -2(-5) + 8 = 10 + 8 = 18

5 0
3 years ago
find the value of x need help its been years since i practice or solved problems like this and with steps plz thanks in advance
Alex17521 [72]
All 3 triangle angles always add up to 180 degrees.
Angle to the left of 140 degrees = 40 degrees
Angle x = 180 -110 -40
Angle x = 30 degrees


5 0
3 years ago
What is the approximate volume of the cylinder? Use 3.14 for
dlinn [17]

Step-by-step explanation:

it's 452.16 because it's the closest estimate

8 0
3 years ago
What are the areas of each smaller rectangle and the large rectangle?
zhannawk [14.2K]

Answer:

Area of part 1: 3 * 5\sqrt{2} = 15\sqrt{2}

Area of part 2: 3\sqrt{2} * 5\sqrt{2}=30

Area of entire rectangle: 30 + 15\sqrt{2}

Step-by-step explanation:

The area of a rectangle can be found by using formula : length * width.

The area of part 1 can be simplified to this:

3 * 5\sqrt{2} = 15\sqrt{2}

Area of part 2:

3\sqrt{2} * 5\sqrt{2}=30

The area of the entire rectangle can simply be added from part 1 and part 2.

For area 2, remember multiplying the square root of 2 twice nullifies the square root. So it becomes 15 * 2, which is equal to 30.

7 0
3 years ago
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