Which expression is equivalent to 9^5

Mathematics

1 answer:

pochemuha4 years ago

5 0

The expression that is equivalent to 9^5 is 3^2

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Three systems of linear equations are shown what are the answers for each one?

Arada [10]

Answer:

A)one solution (3, -3)

B)no solution

C)infinite solution

Step-by-step explanation:

A) The two equations intersect at a point. This point satisfies both equations.

B) The two equations are parallel and never intersect. Therefore no solution.

C) The two equations are stacked on top of one another. No matter with point of the like is chosen, the point will satisfy both equations.

6 0

3 years ago

Find the product of 7 and 28. Use place value and the distributive property to rewrite the product. 7(28) = 7(20 + 8) = = = 196

zimovet [89]

The distributive property lets you expand the product as

$7(20+8)=7(20)+7(8)=140+56$

4 0

3 years ago

Read 2 more answers

Solving radical equations

My name is Ann [436]

Answer:

top: no solution
bottom: x = 7

Step-by-step explanation:

I find a graphing calculator very helpful to solving radical equations. It helps avoid extraneous solutions.

√(-14x +2) = x -3

-14x +2 = x² -6x +9 . . . . . square both sides

x² +8x +7 = 0 . . . . . . . . . .subtract the left side

Descartes' rule of signs tells you this has no positive real solutions. (There are no sign changes among the coefficients.) The value of the radical will be non-negative, so we must have x-3≥0, or x≥3. Since there are no positive real solutions to the quadratic, there are no values of x≥3 that will satisfy the equation. NO SOLUTION

<u>bottom</u>

4√(x -3) = 8 . . . . . given

√(x -3) = 2 . . . . . . divide by 4

x -3 = 4 . . . . . . . . . square both sides

x = 7 . . . . . . . . . . . add 3