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lubasha [3.4K]
3 years ago
7

The poster is 25cm wide. how high is the poster

Mathematics
1 answer:
sergejj [24]3 years ago
3 0

You can not work it out because we do not know the shape or the other properties of this poster.

Sorry for not being able to answer it.

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Select the graph that represents the correct answer to the equation. <br> 5y = 3x - 5
Ivanshal [37]

Here is the graph, you can match it yourself:

4 0
1 year ago
Simplify the following expression.
Jobisdone [24]

An expression is defined as a set of numbers, variables, and mathematical operations. The given exponential function when simplified will result in 4^(1/8). The correct option is A.

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

The given exponential expression can be simplified as shown below.

(4^{\frac14})^{\frac12}

Using the exponential property (mᵇ)ˣ = mᵇˣ,

= 4^{\frac14 \times \frac12}

= 4^{\frac18}

Hence, the given exponential expression when simplified will result in 4^(1/8).

Learn more about Expression here:

brainly.com/question/13947055

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8 0
11 months ago
Read 2 more answers
4.5(8 - x) + 36 = 102 - 2.5(3x + 24)
Luden [163]

Answer:

x = -10

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

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

4.5(8 - x) + 36 = 102 - 2.5(3x + 24)

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

  1. Distribute:                                   36 - 4.5x + 36 = 102 - 7.5x - 60
  2. Combine like terms:                   -4.5x + 72 = -7.5x + 42
  3. Add 7.5x on both sides:             3x + 72 = 42
  4. Subtract 72 on both sides:        3x = -30
  5. Divide 3 on both sides:              x = -10

<u>Step 3: Check</u>

<em>Plug in x into the original equation to verify it's a solution.</em>

  1. Substitute in <em>x</em>:                    4.5(8 - -10) + 36 = 102 - 2.5(3(-10) + 24)
  2. Simplify:                               4.5(8 + 10) + 36 = 102 - 2.5(3(-10) + 24)
  3. Multiply:                               4.5(8 + 10) + 36 = 102 - 2.5(-30 + 24)
  4. Add:                                     4.5(18) + 36 = 102 - 2.5(-6)
  5. Multiply:                               81 + 36 = 102 + 15
  6. Add:                                     117 = 117

Here we see that 117 does indeed equal to 117.

∴ x = -10 is a solution of the equation.

7 0
3 years ago
Please help! I'll mark your answer as brainliest if right &lt;3
sashaice [31]
Your answer was correct . Maybe you have an extra space in your answer ? I worked out the problem twice and got -49/8, -163/8
3 0
2 years ago
Obtain two numbers such their HCF is 20 and their LCM is 300....... BY STEPS!!!! .. ​ ​
weqwewe [10]
  • <em>Answer:</em>

<em>60 ; 100</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>HCF = 20 = 4×5 = 2²×5</em>

<em>LCM = 300 = 3×100 = 3×4×25 = 2²×3×5²</em>

<em>LCM/HCF = 2²×3×5²/2²×5 = 3×5</em>

<em>a = 3×hcf = 3×20 = 60</em>

<em>b = 5×lcm = 5×20 = 100</em>

<em>Good luck !</em>

<em />

7 0
3 years ago
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