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Vaselesa [24]
2 years ago
15

Enter the phrase as an algebraic expression.

Mathematics
1 answer:
chubhunter [2.5K]2 years ago
7 0

What Phrase? I only see "Enter The Phrase As An Algbraic Expression"

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What is the distance?
wlad13 [49]

Answer:10,800

Step-by-step explanation:

im not sure but what i did was 90x120=10800

6 0
3 years ago
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two bags and four hats cost $100 in all. three bags and seven hats cost $164 in all. what is the cost of 1 hat?
Natali [406]

Answer:

Bags = 22

Hat = 14

22 x 2 = 44

14 x 4 = 56

So the first part is true

3 x 22 = 66

7 x 14 = 98

So the second part is true

14 is the answer

It's trial and error

Step-by-step explanation:

4 0
3 years ago
Solve for x.<br> 21x + 11 - 5 = 5
Reil [10]

Answer:

x= -1/21

Step-by-step explanation:

21x + 11 - 5 = 5

21x + 6 = 5

(-6 each side)

21x = -1

(divide 21 each side)

x= -1/21

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3 years ago
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What is the solution to the pair of simultaneous equations? 2x+y=5. 3x-2y=4​
densk [106]

Answer:

(2, 1)

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  

Distributive Property

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Coordinates (x, y)
  • Terms/Coefficients
  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

2x + y = 5

3x - 2y = 4

<u>Step 2: Rewrite Systems</u>

<em>Manipulate 1st equation</em>

  1. [Subtraction Property of Equality] Subtract 2x on both sides:                      y = 5 - 2x

<u>Step 3: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em> [2nd Equation]:                                                                         3x - 2(5 - 2x) = 4
  2. [Distributive Property] Distribute -2:                                                                3x - 10 + 4x = 4
  3. [Addition] Combine like terms:                                                                        7x - 10 = 4
  4. [Addition Property of Equality] Add 10 on both sides:                                   7x = 14
  5. [Division Property of Equality] Divide 7 on both sides:                                 x = 2

<u>Step 4: Solve for </u><em><u>y</u></em>

  1. Substitute in <em>x</em> [Modified 1st Equation]:                                                           y = 5 - 2(2)
  2. Multiply:                                                                                                             y = 5 - 4
  3. Subtract:                                                                                                            y = 1
3 0
3 years ago
Find the quotient.
posledela
Answer :

B. 16 {a}^{2}c

step-by-step explanation :

48 {a}^{3}b{c}^{2} \div 3abc

This can be rewritten as:

\frac{ 48 {a}^{3}b {c}^{2} }{3abc}

Now,

\frac{48}{3}=16

The law of indices states that:

\frac{ {a}^{m} }{ {a}^{n} } = {a}^{m - n}

It implies that, when dividing two expressions with the same bases, repeat one of the bases and subtract the exponents.

Therefore,

\frac{ {a}^{3} }{a}= {a}^{3 - 1} = {a}^{2}

\frac{b}{b} = {b}^{1 - 1} = {b}^{0} = 1

Note: Any non-zero number exponent zero is 1

Also

\frac{ {c}^{2} }{c} = {c}^{2 - 1} = {c}^{1} = c

Hence:

\frac{ 48 {a}^{3}b {c}^{2} }{3abc} = 16 {a}^{2}c
3 0
3 years ago
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