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3 years ago

54 (7x^-^5/(4rx)^3)=54·_=__

Mathematics

2 answers:

Marrrta [24]3 years ago

8 0

HOW ARE YOU SUPPOSED TO COMPLETE THIS

Harlamova29_29 [7]3 years ago

6 0

$(4)-3 = (22)(-3) = (2)(-6)
54 • (((7 • (x-5)) • ((2)(-6)x(-3)r(-3)))0)
 
$

$54 • ((7x(-5) • ((2)(-6)x(-3)r(-3)))0)
=54$

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Help solve algebra 15a=6a-90

AleksandrR [38]

15a =6a - 90

Move all the numbers with variables to one side

15a - (6a) = 6a -(6a) -90
9a = -90
9a/9 = -90/9
a = -9

Hope this helps

5 0

3 years ago

Resolver la siguiente ecuación por eliminación o sustitución: a-8b= -9 a-2b= -7

Crazy boy [7]

Answer: Solution: $a=\dfrac{-19}{3}$ and $b=\dfrac{1}{3}$ .

Step-by-step explanation:

The given pair of equations:

$a-8b= -9\ ...(i)\\\\ a-2b= -7\ ...(ii)$

Eliminate equation (i) from (ii) , we get

$-2b-(-8b)=-7-(-9)\\\\\Rightarrow\ -2b+8b=-7+9\\\\\Rightarrow\ 6b=2\\\\\Rightarrow\ b=\dfrac{1}{3}$

Put value of b in (ii) , we get

$a-2\times\dfrac{1}{3}=-7\\\\\Rightarrow\ a=-7+\dfrac{2}{3}\\\\\Rightarrow\ a=\dfrac{-21+2}{3}\\\\\Rightarrow\ a=\dfrac{-19}{3}$

Solution: $a=\dfrac{-19}{3}$ and $b=\dfrac{1}{3}$ .

4 0

3 years ago

Which property is demonstrated in the equation below? a • 0 = 0 additive identity multiplicative identity multiplicative propert

Svetllana [295]

Zero commutative<span>property of multiplication. </span>The zero commutative property of multiplication states that when any number is multiplied by 0 the result is always zero

5 0

3 years ago

A circle has a circumference of 7.85 yards what is the diameter of the well

Vsevolod [243]

2.5 yds
C=2πr
d=2r
Solving ford
d=C
π=7.85
π≈2.

4 0

3 years ago

nathan smiled at 50 people one day and recorded that 36 people smiled back at him.Based on his observations how many people shou

Olegator [25]

Given :

Nathan smiled at 50 people one day and recorded that 36 people smiled back at him.

To Find :

How many people should Nathan expect to return a smile if he smiles at 650 people over a period of time.

Solution :

Ratio of people smiled by total number of people is :

$R = \dfrac{36}{50}$

Now, it is given that we have to use the given conditions.

Therefore, ratio will be same :

$\dfrac{s}{650}=\dfrac{36}{50}\\\\s = \dfrac{36}{50}\times 650\\\\s = 468$

Therefore, number of smiles Nathan expect to return is 468.

4 0

3 years ago