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jonny [76]
3 years ago
8

Write down the percentage multiplier used to decrease an amount by 45%

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
3 0
45% as a multiplier is 0.45
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PLEASEEE HELP!! <br> What are the dimensions of the matrix?<br> 5x5<br> 3x3<br> 5x3<br> 3x5
aleksklad [387]
This matrix has 5 rows and 3 columns which means it is a 5x3
8 0
3 years ago
HELP!!! BRAINLIEST :)
Xelga [282]

Answer:

The third one....

it fulfill all required characteristics of lines given.

6 0
3 years ago
Solve by completing a square r^2-8r+9
Tanzania [10]

Solving  r^2-8r+9 by completing a square gives (r+4)^2-7

Step-by-step explanation:

We need to solve the equation r^2-8r+9 by completing a square

The completing a square method requires: a^2\pm 2ab +b^2=(a\pm b)^2

Solving:

r^2-8r+9\\=(r)^2-2(r)(?)+(?)^2+9

We need to add and subtract (4)^2=16 to make the equation a complete square

=(r)^2-2(r)(4)+(4)^2-(4)^2+9\\=(r)^2-2(r)(4)+(4)^2-16+9\\=(r)^2-2(r)(4)+(4)^2-7\\=(r+4)^2-7

So, Solving  r^2-8r+9 by completing a square gives (r+4)^2-7

Keywords: Solve by completing a square

Learn more about Solve by completing a square at:

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#learnwithBrainly

7 0
3 years ago
A regulation soccer field for international play is a rectangle with a length between 100 m and I 1 O m and a width between 64 1
Natalija [7]

Answer:

  • The smallest area the field could be is 6,400 m²
  • The largest area the field could be is 8,250 m²

Step-by-step explanation:

Given;

smallest possible length of the international soccer field, L₀ = 100 m

smallest possible breadth of the international soccer field, B₀ = 64 m

Largest possible length of the international soccer field, L₁ = 110 m

Largest possible breadth of the international soccer field, B₁ = 75 m

Area of a rectangle is given by;

A = L x B

The smallest area the field could be is calculated as;

A₀ = L₀ x B₀

A₀ = 100 m x 64 m

A₀ = 6,400 m²

The largest area the field could be is calculated as;

A₁ = L₁ x B₁

A₁ = 110 m x 75 m

A₁ = 8,250 m²

6 0
3 years ago
A crate of pears that usually costs $50 is on sale for 10% off. What is the sale price for the crate of pears?​
lorasvet [3.4K]
Answer:5
Explaining:
10% of 50
= 10%=10/100 = 0.1
= 0.1 (x) times 50
= 5
3 0
3 years ago
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