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nirvana33 [79]
3 years ago
11

Which expression is a difference of squares with a factor of 2x + 5? 4x2 + 10 4x2 – 10 4x2 + 25 4x2 – 25

Mathematics
2 answers:
Shtirlitz [24]3 years ago
5 0

Answer:

  4x^2 -25

Step-by-step explanation:

The other factor of the difference of squares is the "conjugate" of the given one: (2x -5). Then their product is ...

  (2x +5)(2x -5) = (2x)^2 -(5)^2 = 4x^2 -25

Lelechka [254]3 years ago
4 0

Answer:

The Answer On Edge Is D.), Have Fun Dreamers!

Step-by-step explanation:

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Six less than the product of 7 and a number equals<br> 5.
VARVARA [1.3K]

Answer:

x = 11/7 or 1.57

Step-by-step explanation:

let the number be x

now :

=》the product of 7 and the number

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=》6 less than the product

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=》now, we know :

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2 years ago
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What is an equation of the line that passes through the point (−5,−1) and is parallel to the line 4x+5y=45?
frozen [14]

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2 years ago
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A pet store has 150 goldfish and betta fish altogether. The ratio of goldfish to betta fish is 2:3. How many goldfish does the p
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The number of goldfish in the pet store is equal to 60 fishes.

  • Let the goldfish be G.
  • Let the betta fish be B.

<u>Given the following data:</u>

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  • Ratio of G to B = 2:3
  • Total ratio= 2 + 3 = 5

To calculate the number of goldfish that the pet store have:

<h3>What is ratio?</h3>

Ratio can be defined as an expression that is used to denote the proportion of two (2) or more quantities with respect to one another and the total quantities.

Mathematically, the number of goldfish in the pet store is given by this expression:

G = \frac{2}{5} \times 150\\\\G=0.4 \times 150

G = 60 fishes.

Read more on ratio here: brainly.com/question/13513438

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Answer:

7/10

Step-by-step explanation:

this is the simplest form

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What happens to the circumference of a circle when the radius is quadrupled?
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