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inna [77]
3 years ago
12

Which is equivalent to 64 1/4?

Mathematics
1 answer:
Alchen [17]3 years ago
7 0

Answer: 24\sqrt{x} 4

Step-by-step explanation:

You might be interested in
Tan22° + tan23° tan22°. tan23° = 1 prove that ​
inysia [295]

Answer:

Formula:(from trigonometry)

Tan(A+B)=(tanA+tanB)/(1-tanA*tanB)

Let A=22 degrees,B=23 degrees

Tan(22+23)=(tan22+tan23)/(1-tan22*tan23)

From trigonometry we know tan45=1

Therefore tan(45)=1=(tan22+tan23)/(1-tan22tan23)

=> 1-tan22tan23=tan22+tan23

=> tan22+tan23+tan23tan22 =1

Hence proved

5 0
2 years ago
Can someone please help me! I don’t understand how to do this!
Nutka1998 [239]

9514 1404 393

Answer:

  a.  4x^2 +16x -48 = 4x^2 +16x -48

  b.  -3x^2 +12x +36 = -3x^2 +12x +36

  c.  x^2 +12x +35 = x^2 +12x +35

Step-by-step explanation:

In general, you would prove this by transforming one of the expressions into the other. The easiest would be to transform the factored form into the vertex form, perhaps, as this would spare you trying to explain the magic of factoring.

Alternatively, you can transform both expressions into the same (standard) form. I believe that will be the easiest of all.

The product of two binomials is ...

  (x +a)(x +b) = x(x +b) +a(x +b) = x^2 +bx +ax +ab

  (x +a)(x +b) = x^2 +(a+b)x +ab . . . . after collecting terms

The square of a binomial is the same thing, but with b=a, so ...

  (x +a)^2 = x^2 +2a +a^2

Using these forms, we can avoid showing all of the intermediate "work" of making the desired transformations.

__

a.  4(x -2)(x +6) = 4(x +2)^2 -64

  4(x^2 +4x -12) = 4(x^2 +4x +4) -64 . . . . . expanding the products

  4x^2 +16x -48 = 4x^2 +16x +16 -64 . . . . using the distributive property

  4x^2 +16x -48 = 4x^2 +16x -48 . . . . . collect terms; expressions are equal

__

b.  -3(x +2)(x -6) = -3(x -2)^2 +48

  -3(x^2 -4x -12) = -3(x^2 -4x +4) +48

  -3x^2 +12x +36 = -3x^2 +12x -12 +48

  -3x^2 +12x +36 = -3x^2 +12x +36

__

c.  (x +5)(x +7) = (x +6)^2 -1

  x^2 +12x +35 = x^2 +12x +36 -1

  x^2 +12x +35 = x^2 +12x +35

6 0
2 years ago
Read 2 more answers
A club charges $150 for the first month of membership, and $5 less each month after that. What is the total membership for a yea
madreJ [45]

Answer:

$1745

$3485

Step-by-step explanation:

First month = $150

Consequently, 5 dollars less. Therefore in the remaining months;

(150-5) x 11months

= 145 x 11

= $1595

Therefore to get the total membership in a year we add up 150 and 1595

Total membership in a year = $1745

In year 2, he will be paying 145 dollars in the entire year

(12 x 145) = 1740

So the total membership in 2 years = $1745+$1740

= $3485

8 0
3 years ago
What is -5 5/8 + 3 1/2
aksik [14]

Answer:

exact form: -17/8

decimal form: -2.125

mixed number form: -2 1/8

Step-by-step explanation:

cmon this is freaking addition

4 0
2 years ago
How do you multiply anything not specific? sorry
Contact [7]
If it says 3×8 its like saying 8+8+8=21.
It's just a faster way of adding.

Anything multiplied by 0 is 0.

Anything multiplied by 10 just add a 0 to the end of the number example 10×2=20.
8 0
3 years ago
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