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3 years ago

What two numbers add up to -22 and multiply to -75

Mathematics

1 answer:

viva [34]3 years ago

8 0

3 + -25 = -22
3 x -25 = -75

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Zachary runs steadily at 10km/hr. HIs distance can be modelled by the equation y=10x, where y gives his distance (km) in relatio

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tuff

Step-by-step explanation:

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What type of correlation is shown in the graph?

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Positive correlation! hope this helps :)

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3 years ago

Alexandro received two quotes for new carpet for his home. The quote from Home Depot is $0.20 less per square foot than the quot

RSB [31]

Answer:

Total cost as per Lowe's is $260 more than that of Home Depot.

Step-by-step explanation:

Given that:

Alexandro received two quotes for new carpet.

One from Home Depot and other from Lowe's.

Let quote from Home Depot = $\$x$ per sq foot

As per question statement,

The quote from Lowe's = $\$x$ +0.20 per sq foot

Alexandro plans to buy 1,300 square feet of carpet.

Total Cost as per Home Depot's quote = $\$1300x$

Total Cost as per Lowe's = $\$(x+0.20)\times 1300 = \$1300x + \$260$

Now taking the difference of the total cost:

Lowe's total cost - Total cost as per Home Depot.

$\$1300x+\$260 - \$1300x \\\Rightarrow \$260$

So, the answer is:

Total cost as per Lowe's is <em>$260 more</em> than that of Home Depot.

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3 years ago

How do you simplify -3x+4xy+7x-15xy-2x

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The first thing you need to do, is put the like terms in order. So it would be, (-3x)-2x+7x-15xy+4xy.(basically the 4xy and 2x switch places, just take the sign that's in front of them with them.) Now you would combine the like terms. ((-3x)-2x+7x)-(15xy+4xy). Simplified, the new equation is 2x-19xy.

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77julia77 [94]

Answer:

Yes it is an equivalence relation

Explanation:

An equivalence relation is a binary relation between two values that are symmetric, transitive and reflexive. In other words, when we say a value x is equal(using "=") to a value y, there is an equivalence relation between them.

Example, given set {x, y, z} where ~ means equivalence:

x ~ y if y ~ z means symmetric

since x ~ y and y ~ z, then x ~ z means transitive

x ~ x means reflexive

Equivalence relations share a common attribute or attributes(example, a satisfying condition)

The above condition that two states are related from the set of all US states if they have a border in common satisfies the condition of equivalence listed hence it is an equivalence relation.

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