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Tresset [83]
3 years ago
10

11) 5(b - 1) Solve it

Mathematics
1 answer:
Akimi4 [234]3 years ago
3 0

Answer:

5b -5

Step-by-step explanation:

5(b - 1)

we apply distributive property:

5*b -5*1

5b -5

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Please help me out with this
olga_2 [115]

Answer:

10.4 cm

Step-by-step explanation:

The volume (V) of a pyramid is calculated using

V = \frac{1}{3} area of base × height (h)

area of square base = 6² = 36, thus

\frac{1}{3} × 36h = 120

12h = 120 ( divide both sides by 12 )

h = 10 cm

To find the slant height (s) consider the right triangle from the vertex to the midpoint of the base and from the midpoint of base to the side.

That is a right triangle with hypotenuse s and legs 10(h) and 3 (midpoint of the base )

Using Pythagoras' identity then

s² = 10² + 3² = 100 + 9 = 109

Take the square root of both sides

s = \sqrt{109} ≈ 10.4 cm

3 0
3 years ago
Change 3240 degrees/second to radians/second
Sergeu [11.5K]

Using the formula 1° × π/180 = 0.01745rad,


3240 degrees/second = 56.54867 radians/seconds

4 0
3 years ago
If f(x)=|3x-4|+2 find f(-10)
Nat2105 [25]

Answer:

f(-10)=36

Step-by-step explanation:

f(x)=|3x-4|+2\\f(-10)=|3(-10)-4|+2\\f(-10)=|-30-4|+2\\f(-10)=|-34|+2\\f(-10)=34+2\\f(-10)=36

Rgds!

6 0
3 years ago
Find each measurement indicated. Round your answers to the nearest tenth.
Law Incorporation [45]

Answer:

52.08°

Step-by-step explanation:

Law of sine: \frac{93}{25}=\frac{x}{14}

93*14=25x

1302=25x

52.08=x

5 0
3 years ago
-3x-y=-17 4x + 2 y equals 20
ExtremeBDS [4]
-3x - y = -17
4x + 2y = 20

multiply one part of the equation so that we can be able to use the process of elimination.

(-3x - y = -17)2
4x + 2y = 20

Now we have:

-6x -2y = - 34
4x+2y= 20
------------------------
-2x = -14

Divide -2 on both sides.

-2x = -14
/-2       /-2

x = -7.


=============================================

To solve for y, we just have to substitute the value of x to any of the equation given above, that we feel comfortable with. And I'm going to choose this equation: 4x + 2y = 20


4x + 2y = 20

4(-7) + 2y = 20

-28 + 2y = 20

Add 28 on both sides

-28 + 2y = 20
+28          +28
---------------------
2y = 48
/2      /2

y = 24.


The last thing you would do is to check if the answers is correct.
All you have to do is plug in the values of x and y into both equations and see if they equal to one another.

You may have to do this by yourself :P

Anyways, if you have any questions about this topic, feel free to PM me or any other users interested. Thank you for being part of Brainly! Have a nice day!










4 0
2 years ago
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