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3 years ago

The purpose of solving equations is to solve application problems. True or False

2 answers:

5 0

The answer is true, we study mathematics and the properties of numbers, and we learn to solve equations for one major purpose: to solve practical application problems.

Alisiya [41]3 years ago

4 0

The correct answer is True

Explanation:

In mathematics, equations are mathematical statements that include a set of elements that are said to be equal, for example, x + 5 = 4 - 1. These statements are used to find unknown values that are generally represented by letter x, for example by solving the equation previously presented you can find the value of x.

Equations are widely used at school as part of mathematics subject, but besides this, the main purpose of writing and then solving a equation is to find unknown values in real problems or situations either in daily life or other fields such as engineer, for example if you buy a set of items and do not know the value of one of them but know the total price of them you can use an equation to know the unknown value. Thus, it is true the purpose of solving equations is to solve application problems.

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Solve 18n-7p-15n=5p for n

irakobra [83]

Answer:

n=4p

Step-by-step explanation:

18n-7p-15n=5p

3n-7p=5p

3n=5p+7p

3n=12p

n=12p/3

n=4p

4 0

3 years ago

Read 2 more answers

1²+3²+4²+.......+(2n-2)²= ⅓n(2n-1)(2n+1)

sergiy2304 [10]

1² + 3² + 4² + 4(n - 1)² = ¹/₃n(2n - 1)(2n + 1)
1² + 3² + 4² + (2n - 2)² = ¹/₃n(2n - 1)(2n + 1)
  1 + 9 + 16 + (2n - 2)(2n - 2) = ¹/₃n(2n(2n + 1) - 1(2n + 1))
10 + 16 + (2n(2n - 2) - 2(2n - 2)) = ¹/₃n(2n(2n) + 2n(1) - 1(2n) - 1(1) 16 + (2n(2n) - 2n(2) - 2(2n) + 2(2)) = ¹/₃n(4n² + 2n - 2n - 1)
26 + (4n² - 4n - 4n + 4) = ¹/₃n(4n² - 1)
26 + (4n² - 8n + 4) = ¹/₃n(4n² - 1)
  26 + 4n² - 8n + 4 = ¹/₃n(4n²) - ¹/₃n(1)
  4n² - 8n + 4 + 26 = 1¹/₃n³ - ¹/₃n
  4n² - 8n + 30 = 1¹/₃n³ - ¹/₃n
  + ¹/₃n + ¹/₃n
   4n² - 7²/₃n + 30 = 1¹/₃n³
-1¹/₃n³ + 4n² - 7²/₃n + 30 = 0
-3(-1¹/₃n³ + 4n² - 7²/₃n + 30) = -3(0)
-3(-1¹/₃n³) - 3(4n²) - 3(-7²/₃n) - 3(30) = 0
  4n³ - 12n² + 23n - 90 = 0

8 0

4 years ago

Let f(x) = x + 2 and g(x) = x2 + 4. Find f(g(f(2)).

Brut [27]

F(x)= 2+2=4 g(x)= 4x2+4=12 f(x)= 12+2=14. 14 should be ur answer.

5 0

4 years ago

A box of 900 rubber bands costs 6.30 dollars. What is the unit price of the rubber bands

ryzh [129]

900/6.30=1.428428428
Yup

8 0

3 years ago

Read 2 more answers

Help 50 points and brainlest only if you answer all the questions

klasskru [66]

Answer: See below

Step-by-step explanation:

a) 6(3x+4y-8)

Use the distributive property:

6*3x + 6*4y - 6*8

18x + 24y - 48

So D is the correct answer

b) Factor out 4 because it can fit into 12 - 3 times - and 4 - one time.

12+4x

= 4(3+x)

So D is the correct answer

c) When you expand both C and D and simplify, you get 16x+36 as solution

d) 14x+2y+10z

Factor out 2 because it can fit into 14, 7 times. 2, one time. And 10, 5 times

14x+2y+10z

= 2(7x+y+5z)

So D is the correct answer again ;)

6 0

3 years ago

Read 2 more answers