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3 years ago

(x^4)^2 perform the indicated operation

Mathematics

2 answers:

erica [24]3 years ago

8 0

Answer:

$x^8$

Step-by-step explanation:

Since you are doing $x^4$ squared, you have to multiply the exponents.

4 * 2 = 8

$x^8$

bixtya [17]3 years ago

7 0

Answer:

$x^8$

Step-by-step explanation:

$(x^4)^2$

Apply the law of exponents, where:

$(x^a)^b=x^{ab}$

$(x^4)^2=x^{4 \times 2}=x^8$

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Solve the system of equation 2x + y = -4 and 5x – 3y = 1 by the method of elimination

Radda [10]

Step-by-step explanation:

first step while implementing the elimination method is to look at the numbers which can be multiplied to which in order to have like terms as solved below

as you can see in equation number 2 that the number three can be multiplied with equation 1 in order to have like terms so you can cancel them out

so , multiply 3 with the whole of equation 1

3( 2x + y = -4 )

= 6x + 3y = -12

( keep in mind the sign of the number)

5x -3 y = 1

now ,

we have

6x + 3y = -12

5x -3y = 1

as you can see that now we have like terms and when we add both these equations the like terms cancel out each other as they have opposite signs ( + - gives you - )

so , once you add the like terms this is what you will get

6x + 5x +3y-3y -12+1

= 11x + 0 - 11

then you can simplify this further for x first

11x = 11

x = 11/11

x = 1

now we have the value of x let's simply further for y

let's take equation 2

5(1) - 3y =1

5 -3y = 1

5-1 = 3y

4 = 3y

4/3 = y 

to confirm your values you can put these values in one of the two equations given initially , let's use equation two to check .

5x-3y = 1

( now let's place the values of x and y into the equation and see if our answer is 1 )

5 (1) - 3 (4/3)

= 5 - 4

= 1

it is correct

7 0

3 years ago

Helppppppppppppppppmeeeeeeeeeeeeeeeeeeee

KonstantinChe [14]

Answer:

hope this answer helps you dear...take care!

5 0

2 years ago

(1 + 9.8k)(2.8) simplified

o-na [289]

Answer:

2.8 + 27.44k

Step-by-step explanation:

Algebraic Simplification

The rules of algebra can be applied in some situations to make expressions simplified or expanded, according to the specific needs of each problem.

We are given the expression:

(1 + 9.8k)(2.8)

It's a sum and a product. We cannot add the independent term with the variable term, so we can only multiply the factor and the contents of the parentheses as follows:

(2.8)1 + (2.8)9.8k

Operating:

2.8 + 27.44k

5 0

2 years ago

. Complete the missing steps in the paragraph proof of Theorem 3-8.

Crank

To solve for the missing steps, let's rewrite first the problem.

Given:

In a plane, line m is perpendicular to line t or m⟂t
line n is perpendicular to line t or n⟂t

Required:

Prove that line m and n are parallel lines

Solution:

We know that line t is the transversal of the lines m and n.

With reference to the figure above,

∠ 2 and ∠ 6 are right angles by definition of perpendicular lines. This states that if two lines are perpendicular with each other, they intersect at right angles.

So ∠ 2 ≅ ∠ 6. Since corresponding angles are congruent.

Therefore, line m and line n are parallel lines.

ANSWERS: perpendicular lines, corresponding

8 0

2 years ago

7/10 of 120 and show work pls

slavikrds [6]

When it says 7/10, it actually means 70%, so you have to find 70% of 120.

70 % of 120
= 70% x 120
= (70/100) x 120
= (8400/100)
= 84

Answer: 84

8 0

2 years ago