3 years ago

The length of a rectangle is 4 units more than its width. The area of the rectangle is 25 more than 4 times the width.

Mathematics

2 answers:

lisabon 2012 [21]3 years ago

8 0

Answer:

its d. 5

Step-by-step explanation:

never [62]3 years ago

6 0

Answer:

B or D ( answer = 5 => Two options is one! One of the options should be 5)

Note: The width of a rectangle will never be negative.

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The differfence between the product of seven and a number and two times the number

olga2289 [7]

Answer:

7(x-10)

Step-by-step explanation:

7×(x-10)

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3 years ago

Solve the equation using the quadratic formula : x^2-10x+25=18

Sever21 [200]

$x^2-10x+25=18 \\ \\x^2-10x+25-18 = 0\\ \\ x^2-10x+ 7 =0 \\ \\a=1 , b = -10 , c= 7 \\ \\ \Delta = b^{2}-4ac = (-10)^{2}-4*1*7=100-28 = 72 \\ \\\sqrt{\Delta }=\sqrt{72}= \sqrt{2*36} =\sqrt{36}*\sqrt{2} =6\sqrt{2}$

$x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{10- 6\sqrt{2}}{2}=\frac{2(5-3\sqrt{2})}{2}= 5-3\sqrt{2}\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{10+ 6\sqrt{2}}{2}=\frac{2(5+3\sqrt{2})}{2}= 5+3\sqrt{2}$

$Answer : \ x= 5-3\sqrt{2} \ \ or \ \ x = 5+3\sqrt{2}$

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4 years ago

What is the product?<br> 4927 x 7

Readme [11.4K]

Answer:

34489

Step-by-step explanation:

6 0

3 years ago

Fill in the other coordinate for the line y=23x+3 y = 2 3 x + 3 : (3, )

Igoryamba

23(3) + 3

= 72

Why do you write 2 equations?