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Paraphin [41]
3 years ago
5

Simplify quantity 10 x squared minus 32 end quantity over 4 quantity 5 x squared minus 32 end quantity over 2, quantity 5 x squa

red minus 16 end quantity over 2, 10x − 8, x − 8
Mathematics
1 answer:
irina1246 [14]3 years ago
8 0

Answer:

Option B.

Step-by-step explanation:

The given expression is

\dfrac{10x^2-32}{4}

We need to find the simplified form of given expression.

Taking out GCF from the numerator.

\dfrac{2(5x^2-16)}{4}

Cancel out common factors.

\dfrac{5x^2-16}{2}

The expression \dfrac{5x^2-16}{2} is the simplified form of given expression.

Therefore, the correct option is B.

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I need help simple explanation if possible
Yuki888 [10]
Answer: X=1

Step-by-step explanation:
The hypotenuse is √2 which means that x²+x²=(√2)² using Pythagoras
Simplify and solve
2x²=2
x²=1
X=√1
X=1
8 0
2 years ago
Use a system of equations to solve this problem.Bronze is a mix, or alloy, of tin and copper. A metal worker needs 100 g of bron
d1i1m1o1n [39]

Answer:

x = 50 grs

y = 50 grs

Step-by-step explanation:

" x "   is quantity of bronze of 5% tin

" y "   is quantity of bronze of 45% tin

The worker needs 100 grs of bronze and this bronze must be 25% tin

The mathematical expression for the 100 grs condition is:

x + y = 100

And the The mathematical expression for the % condition is:

0,05*x  + 0.45*y  = 0,25 * ( x + y )

The system is:

x + y = 100

0,05*x + 0,45*y = 0,25* ( x + y )

Solving this system we get values of x and y

y = 100 - x

0,05*x  + 0,45* ( 100 - x ) = 0,25 * ( x + 100 - x )

0,05*x  + 45 - 0,45*x = 0,25*( 100 )

0,05*x  + 45 - 0,45*x  = 25

- 0,4*x  = -45 + 25

x = 20/0,4            x = 50  grs

and y = 50 grs

8 0
3 years ago
PLEASE HELP!!! I REALLY NEED HELP!!
Eddi Din [679]

9514 1404 393

Answer:

  $7.10

Step-by-step explanation:

Nevach's rate can be found by using x=1 in the equation for his pay.

  y = 28.5 × 1 = 28.50 . . . . dollars

Carson's hourly rate can be found by dividing dollars by hours:

  $214/(10 h) = $21.40/h

Nevach's rate exceeds this by ...

  $28.40 -21.40 = $7.10

Nevach earns $7.10 more per hour.

6 0
3 years ago
Equation of the line with<br> slope 4 passing through the point (-5, -1).
Stolb23 [73]

Answer:

y=4x+19

Step-by-step explanation:

y-y1=m(x-x1)

y-(-1)=4(x-(-5))

y+1=4(x+5)

y=4x+20-1

y=4x+19

7 0
3 years ago
What is the value of x?
LiRa [457]

Answer:

x=8

Step-by-step explanation:

this is an equilateral triangle, which means all sides are equal

if all the sides are equal, all the angles are equal

the three angles are all equal to 60 degrees (180/3 = 60)

7x+4 = 60

subtract 4 from each side

7x = 56

divide by 7 on each side

x = 8


8 0
3 years ago
Read 2 more answers
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