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KengaRu [80]
3 years ago
7

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:

84

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:

<u>Algebra I</u>

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

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

<em />\displaystyle 5^a = \frac{1}{125}<em />

<em />

<u>Step 2: Solve for </u><em><u>a</u></em>

  1. Rewrite:                                                                                                                \displaystyle 5^a = \frac{1}{5^3}
  2. Rewrite [Exponential Property - Rewrite]:                                                       \displaystyle 5^a = 5^{-3}
  3. Set:                                                                                                                    \displaystyle a = -3
3 0
2 years ago
13=1/4(2x+16) solve for x in simplest form
Pavel [41]

Answer:

18

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
Read 2 more answers
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