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iragen [17]
3 years ago
6

What is the product? (7x) (2x+5)(x2-4x-9)

Mathematics
1 answer:
3241004551 [841]3 years ago
8 0

Answer:

=14x^2+35x

Step-by-step explanation:

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The length of the top of a computer desk is 2 1/4 feet longer than it’s width. If it’s width measures y feet, express its length
Lera25 [3.4K]

Answer:

The length as an algebraic expression in y is  y   + (2\frac{1}{4} )  ft

Step-by-step explanation:

The measure of the width of the computer desk = y feet

The measure of the length of the desk = width + 2  1/4 ft

⇒Measure of Length = y   + (2\frac{1}{4} )   ft

Hence, the length as an algebraic expression in y is  y   + (2\frac{1}{4} )   ft

5 0
3 years ago
Find the value of in the triangle shown below<br><br> 9, 7, and x around the triangle
enot [183]

Answer:

5.66 units

Step-by-step explanation:

A's per our discussion, x is a leg of right triangle.

Therefore, by Pythagoras theorem:

x =  \sqrt{ {9}^{2}  -  {7}^{2} }  \\  =  \sqrt{81 - 49}  \\  =  \sqrt{32}

x =  \sqrt{ {16}^{2}  -  {12}^{2} }  \\  =  \sqrt{256 - 144}  \\  =  \sqrt{112}

4 0
2 years ago
12/y +9 at y =6 solve
liubo4ka [24]

Answer:

11

Step-by-step explanation:

12/6 =2 +9=11

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3 0
2 years ago
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The angles of a triangle are 2x, 3x, and 4x degrees. Find the value of x.
dimulka [17.4K]
<span>We have to find the value of x if the measures of the angles of a triangle are: 2 x, 3 x and 4 x. We know that the sum of the measures of the angles of a triangle is 180 degrees. A + B + C = 180. Here we have: A = 2 x, B = 3 x and C = 4 x; 2 x + 3 x + 4 x = 180; 9 x = 180; x = 180 : 9. Answer: x = 20 degrees.</span>
3 0
3 years ago
() = ()<br> ( + ) = () − <br> ( + ) = () − <br> () = () = <br> () =?
lubasha [3.4K]

Answer:

idk

Step-by-step explanation:

7 0
3 years ago
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