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EleoNora [17]
3 years ago
6

Round to the nearest whole number.

Mathematics
1 answer:
Vlada [557]3 years ago
7 0

Answer:

PC=9

Step-by-step explanation:

A²+B²=C²

4²+8.1²=C²

16+65.61=C²

81.61=C²

≈81=C²

PC=9

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Suppose WX = 4x - 8 and WZ = 2x + 2. Solve for x
podryga [215]

Answer: 5

Step-by-step explanation:

Because the shape is a kite we can tell that WX and WZ are congruent.

So 4x-8 = 2x+2

Add 8 to both sides

4x = 2x+10

Subtract 2x

2x = 10

Divide by 2

x = 5

5 0
3 years ago
An equation that models the sequence 400, 200, 100, 50, ...
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For this, let's have:
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3 0
3 years ago
Factorise 15 x square - 6 X + 5 Y - 2 please answer me fast who answered will mark as brainleist ​
sweet-ann [11.9K]

Answer:

(3x+1)(5x-2)

Step-by-step explanation:

Given the expression

15x^2-6x+5x-2

Factorize;

3x(5x-2)+ 1(5x-2)

(3x+1)(5x-2)

Hence the factorized form is (3x+1)(5x-2)

4 0
3 years ago
Find the value of this expression if x = 5 and y = -1
geniusboy [140]

Answer:

5/6

Step-by-step explanation:

8 0
3 years ago
What is 5x + 12 < 2 ?
Masja [62]

Answer:

x < -2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify.</em>

5x + 12 < 2

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

  1. [Subtraction Property of Equality] Subtract 12 on both sides:                       5x < -10
  2. [Division Property of Equality] Divide 5 on both sides:                                 x < -2
5 0
2 years ago
Read 2 more answers
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