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pychu [463]
3 years ago
5

(3w-5)(1+w)=0 I need help pls!!

Mathematics
2 answers:
algol [13]3 years ago
6 0
<span>Reorder the terms:

(-5 + 3w)(1 + -1w) = 0
</span>

<span>Multiply (-5 + 3w) * (1 + -1w)


</span>
<span>(-5(1 + -1w) + 3w * (1 + -1w)) = 0

((1 * -5 + -1w * -5) + 3w * (1 + -1w)) = 0

 ((-5 + 5w) + 3w * (1 + -1w)) = 0

(-5 + 5w + (1 * 3w + -1w * 3w)) = 0

(-5 + 5w + (3w + -3w2)) = 0


</span><span>Combine like terms: 5w + 3w = 8w

 (-5 + 8w + -3w2) = 0


</span><span>Solving

 -5 + 8w + -3w2 = 0


</span><span>Solving for variable 'w'.


</span><span>Factor a trinomial.

(-5 + 3w)(1 + -1w) = 0</span>
NeX [460]3 years ago
3 0
You need to set both of them equal to zero to find what w is. so its 3w-5=0 you add 5 to get w by itself so then its 3w=5 and then divide by 3 so w= 5/3 
1 + w = 0 so then you subtract one to get to the other side so w = -1 

the final solution is {5/3, -1}
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The sum of 2 numbers 36 the smaller number is 18 less than the larger number what are the numbers
just olya [345]

Step-by-step explanation:

<em>=</em><em>></em><em> </em><em>x+</em><em>x=</em><em>3</em><em>6</em><em> </em><em> </em>

<em>=</em><em>></em><em> </em><em>2</em><em>x</em><em>-</em><em>1</em><em>8</em><em>=</em><em>3</em><em>6</em>

<em>=</em><em>></em><em>2</em><em>x</em><em>=</em><em>1</em><em>8</em>

<em>=</em><em>></em><em>9</em>

<em> </em><em> </em><em>check</em>

<em> </em><em> </em><em>2</em><em>(</em><em>9</em><em>)</em><em>+</em><em>1</em><em>8</em>

<em> </em><em> </em><em> </em><em>1</em><em>8</em><em>+</em><em>1</em><em>8</em>

<em> </em><em> </em><em> </em><em>=</em><em>3</em><em>6</em>

<em>i</em><em> </em><em>hope </em><em>it's </em><em>right</em>

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3 0
3 years ago
A rectangle is drawn so that the width is 3 feet shorter than the length. The area of the rectangle is 70 square feet. Find the
Vedmedyk [2.9K]

Answer:

The length of the rectangle (l) = 10 cm

The width of the rectangle (w) = 7 cm

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Let 'x' be the length of the rectangle

Given that the width is 3 feet shorter than the length

The width of the rectangle = x -3

Area of the rectangle = length × width

<u><em>Step(ii):-</em></u>

Area of the rectangle = length × width

                                  = x ( x-3)

Given that the area of the rectangle = 70 square feet

                       x ( x-3) = 70

              ⇒   x² - 3x - 70 =0

              ⇒  x² - 10 x + 7 x - 70 =0

             ⇒  x (x -10) +7( x-10) =0

            ⇒ ( x+7) ( x-10) = 0

           ⇒  x =-7 and x=10

<u><em>Final answer:</em></u>-

we choose x=10

The length of the rectangle (l) = 10 cm

The width of the rectangle (w) = 7 cm

8 0
3 years ago
What is the sum 0 of 62<br>​
faltersainse [42]
0 + 62 = 62
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5 0
3 years ago
Use substitution to solve the system.<br><br><br> 2x-8=y<br> 5x-3y=19
Dmitriy789 [7]
X=0.5y+4;
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7 0
4 years ago
Find the value of x.
Karolina [17]

Answer:

x=21

Step-by-step explanation:

Following the vertical angles, we can assume that the equation that has x and 87 are equal to each other. From then, you set them equal to each other and solve for x.

87=4x+3

84=4x                  subtract 3 from both sides

21=x                     divide by 4 to get the x alone on both sides

6 0
2 years ago
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