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3 years ago

Where do two perpendicular lines intersect

Mathematics

1 answer:

andrew-mc [135]3 years ago

5 0

They intersect at a right angle

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Find the following products:

baherus [9]

Answer:

i. x^2 – 1

ii. x^3 – 1

iii. x^4 - 1

Step-by-step explanation:

Products are obtained by multipliyng each left term by each rigth term as follows:

i. (x- 1)(x+ 1) = (x^2 – x + x - 1) = x^2 – 1 (equal terms with opposite sign substracts and the result is 0)

ii. (x- 1)(x^2 + x + 1) = (x^3 – x^2 + x^2 – x + x – 1) = x^3 – 1

iii. (x- 1)(x³ + x² + x + 1) = (x^4 – x^3 + x^3 – x^2 + x^2 – x + x – 1) = x^4 - 1

7 0

3 years ago

Family vacationers were surveyed at a rest area in the Marion County Test Ares, 1-75

yuradex [85]

Answer:

Step-by-step explanation:

From the table Given, the number of families who listen to pop music on radio could be obtained by taking n(pop n radio) ; that is the intersection of pop and radio on the table, this value is 84.

Therefore, the number of families who listen to pop music on radio is 84

5 0

3 years ago

What the power a when 5^a = 1/125

Advocard [28]

Answer:

a = -3

General Formulas and Concepts:

Algebra I

Solving Exponential Equations

Exponential Property [Rewrite]: $\displaystyle b^{-m} = \frac{1}{b^m}$

Step-by-step explanation:

Step 1: Define

Identify

$\displaystyle 5^a = \frac{1}{125}$

Step 2: Solve for a

Rewrite: $\displaystyle 5^a = \frac{1}{5^3}$
Rewrite [Exponential Property - Rewrite]: $\displaystyle 5^a = 5^{-3}$
Set: $\displaystyle a = -3$

3 0

2 years ago

13=1/4(2x+16) solve for x in simplest form

Pavel [41]

Answer:

Step-by-step explanation:

1/4 (2x+16) = .5x+4

13=.5x+4

-4 -4

9=.5x

9/.5 . .5x/.5

18=x

4 0

3 years ago

What does [ ] mean in math?

xz_007 [3.2K]

it is a bracket used in maths

6 0

2 years ago

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