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Tatiana [17]
3 years ago
10

What two numbers add to 4 and multiply to -45

Mathematics
2 answers:
Evgesh-ka [11]3 years ago
6 0

Answer:

-5 and 9

Step-by-step explanation:

-5 * 9 = -45

-5 + 9 = 45

Hope this helps.

e-lub [12.9K]3 years ago
4 0
The two numbers that you are looking for are -9 and 4.
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Step-by-step explanation:

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3 years ago
Let Q(x, y) be the predicate "If x < y then x2 < y2," with domain for both x and y being R, the set of all real numbers.
Levart [38]

Answer:

a) Q(-2,1) is false

b) Q(-5,2) is false

c)Q(3,8) is true

d)Q(9,10) is true

Step-by-step explanation:

Given data is Q(x,y) is predicate that x then x^{2}. where x,y are rational numbers.

a)

when x=-2, y=1

Here -2 that is x  satisfied. Then

(-2)^{2}

4 this is wrong. since 4>1

That is x^{2}>y^{2} Thus Q(x,y) =Q(-2,1)is false.

b)

Assume Q(x,y)=Q(-5,2).

That is x=-5, y=2

Here -5 that is x this condition is satisfied.

Then

(-5)^{2}

25 this is not true. since 25>4.

This is similar to the truth value of part (a).

Since in both x satisfied and x^{2} >y^{2} for both the points.

c)

if Q(x,y)=Q(3,8) that is x=3 and y=8

Here 3 this satisfies the condition x.

Then 3^{2}

9 This also satisfies the condition x^{2}.

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d)

Assume Q(x,y)=Q(9,10)

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81 satisfies the condition x^{2}.

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6 0
3 years ago
Y = -4/3x − 1<br> y = 1/3x + 4
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Answer:

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Step-by-step explanation:

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Plug y = 3 into one of the original equations:

3 = 1/3x + 4

-1 = 1/3x

x = -3

7 0
2 years ago
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melisa1 [442]
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8 0
3 years ago
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Andrej [43]

Answer: bottom one I think

Step-by-step explanation:

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3 years ago
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