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Fofino [41]
3 years ago
14

1/5(x+2)+2x=6x-10 what does x=

Mathematics
1 answer:
horsena [70]3 years ago
6 0
X= 2.737 - look on the website "Tiger algebra for the answer by typing in the question
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If function f is defined by f x( ) = 3x2 − 5x + 4, what is f x( − 4) ?
ch4aika [34]
F(-4) = 3 x 2 - 5(-4) + 4
3x2= 6
-5(-4)= 20
6-20= -14
-14+4= -10
f(-4) = -10
6 0
3 years ago
Wright the inequality that represents the sentence.
Serga [27]
X-5 is greater than or equal to -28
X*4 is less than or equal to -10
(x/3) + 6 is greater than 14
7 0
3 years ago
What is the volume of a cylinder with r=3 and h=10
____ [38]

This is one of those questions where, if you know the formula, it's easy,
and of you don't know the formula, there's no way.

In fact, the whole purpose of the question is to help you remember the formula.

The volume of a cylinder is

                           (pi) x (the radius)² x (the height).

For this particular cylinder, that's

                            (pi) x (3)² x (10) =

                           (pi) x (9) x (10)  =  90 pi cubic units.

If you use (3.14) for (pi), then that's  <em>282.6 cubic units</em>.
 
4 0
3 years ago
Select the lengths in centimeters that would form a right triangle
Ivenika [448]

Answer:

9, 40 and 41

Step-by-step explanation:

All right triangle have lengths that follow the Pythagorean Theorem (a²+b² = c²).  Right triangles have one angle equal to 90°.  The two shorter sides form the right angle and the side opposite the right angle is called the hypotenuse.  

Using the lengths given, we can use guess and check to see what sum of two sides squared would equal a third side, or just plug them into the equation: a²+b² = c² and see what lengths fit this equation.  

I recommend starting with squares you are familiar with:

9² + 40²= 81 + 1600 = 1681

Now, take the √1681 to find the length of 'c', or the hypotenuse:

√1681  = 41

Since these three lengths fit the Pythagorean Theoreom, the would form a right triangle.

4 0
3 years ago
PLEASE HELPPPP, Graph the equations using slope intercept form. y = -3x + 8
Zolol [24]

Answer:

Slope = -3

y- intercept= (0,8)

x : 0, 8/3

y : 8, 0

8 0
3 years ago
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