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Leviafan [203]
3 years ago
14

(x3 + 2x2 + 3x – 2) - (2x3 – x2 – 4) is equivalent to:

Mathematics
2 answers:
Anastasy [175]3 years ago
7 0

Answer:

I hope is correct and help you

G. - x3+3x2+3x+2

MissTica3 years ago
3 0

Answer:

G is correct answer

hope it helps

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What is 5y-4x =-7<br> 2y+4x=14<br> X=?<br> Y=?
Alja [10]

Answer:

X=3

Y=1

Step-by-step explanation:

In solving simultaneous equations, there are three methods, we have the elimination method, substitution method or graphical method. But for the purpose of this question, we would be using Elimination method.

5y-4x =-7 Equation 1

2y+4x=14 Equation 2

Since x has the same coefficient, it's easy to eliminate by adding up the two equations

5y+2y=7y

-4x+(+4x)=0

-7+(+14)=7

We have 7y=7

Divide both sides by 7,

y=7/7

y=1

Substituting for y in equation 2.

2(1)+4x=14

2+4x=14

4x=14-2

4x=12

x=12/4

x= 3

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2 years ago
At 10 A.M the outside temperature was -5 F. By noon, the temperature was -17 F. Ricardo said that it was getting warmer outside.
Natasha_Volkova [10]
Ricardo is not correct because the temperature is actually getting colder (idk if I need to explain it more). The difference is -12 F
8 0
3 years ago
Read 2 more answers
Help pls ! I’ll mark brainliest
alexandr402 [8]

Answer:

y = x + 3

Step-by-step explanation:

Y in math is usually referred as the output.

X is usually the input.

In other words,

<em>y</em><em> </em><em>is</em><em> </em><em>3</em><em> </em><em>more</em><em> </em><em>greater</em><em> </em><em>than</em><em> </em><em>x</em><em>.</em>

<em>In</em><em> </em><em>other</em><em> </em><em>words</em><em>,</em>

<em>y = x + 3</em>

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3 years ago
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yawa3891 [41]

Answer:

false

Step-by-step explanation:

10/12 is 5/6 and 6/8 is 12/16 that's the closest whole number proportionality also, it would both have a difference of 2

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2 years ago
Suppose Meagan would like to know when the costs are equal between the two companies. a) Write an equation that shows the costs
nadezda [96]
Let number of miles be x 

<span>when is </span>
<span>.5x + 25 = .25x + 30 </span>
<span>times 4 </span>
<span>2x + 100 = x + 120 </span>
<span>x = 20 </span>
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3 years ago
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