3 years ago

My number has 2 hundreds. the tens digit is 9 more than the ones digit. what is my number

Mathematics

1 answer:

Andru [333]3 years ago

6 0

290

I hope this helps!

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qwelly [4]

Answer:x= 9

Step-by-step explanation:

-4(x+5) = 16

-4*x= -4x -4*5= -20

16 - -20= 36

-4x/-4= x 36/-4=9

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3 years ago

Find the length of the side of an equilateral triangle if the perimeter is 18cm.

scoundrel [369]

Answer:

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A square has sides of length s. A rectangle is 6 inches shorter and 1 inch longer than the square. Which of the following expres

Semmy [17]

Answer: Area of rectangle can be given by expressions:

$(s-6)(s+1)\text {and }s^2-5s-6$

Step-by-step explanation:

Given : A square has sides of length s.

According to the question,

Dimensions of new rectangles=(s-6)×(s+1)

Thus, Area of rectangle= (s-6)×(s+1)

$=s^2-6s+s-6\\\Rightarrow\ s^2-5s-6$

Thus , area of rectangle can be given by expressions:

$(s-6)(s+1)\text {and }s^2-5s-6$

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3 years ago

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KonstantinChe [14]

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Which equation describes a parabola that opens up or down and whose vertex is at the point (h,v)

Serggg [28]

y = a ( x - h)^2 + v

a is positive when the parabola opens up and negative when it opens down.

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