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julsineya [31]
3 years ago
14

Which statements about the system are true? Check all that apply.Y = x – 4 3y – x = –7

Mathematics
1 answer:
nirvana33 [79]3 years ago
6 0

The solutions are x = 2.5, y = -1.5, but what are the statements?

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Add.<br><br> 635+(−613)<br><br> Enter your answer as a simplified fraction in the box.
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635+(-613)=635-613=22
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What is the equation of the line that contains point ( -2,1) and has a slope of 4
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y=4x+7

Step-by-step explanation:

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Write an inequality to represent the real-world problem.then explain how you created the inequality.your clothes washer stopped
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Company A : 15h + 20
Company B : 5h + 40
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Jose ha encontrado varios insectos. Hay 10 menos saltamontes que grillos. Hay 5 menos grillos que margaritas. Si Jose ha encontr
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Answer: There are 5 grasshoppers, 15 crickets and 20 ladybugs

Step-by-step explanation:

The question in english is:

Jose has found several insects. There are 10 less grasshoppers than crickets. There are 5 less crickets than ladybugs. If Jose has found 5 grasshoppers, how many ladybugs did he find and how many crickets? Write two equations to solve the problem.

Let's tag grasshoppers with g, crickets with c and ladybugs with c.

So, we are tolde there are 10 less grasshoppers than crickets:

g=c-10 (1) We have the first equation

Then, we are told there are 5 less crickets than ladybugs:

c=l-5 (2) This is the second equation

If g=5 and we substitute this in both equations we will have:

5=c-10 (3)

Isolating c:

c=15 (4) There are 15 crickets

Substituting (4) in (2):

15=l-5 (5)

Isolating l:

l=20 There are 20 ladybugs

Therefore:

There are 15 crickets and 20 ladybugs

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Answer:

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Step-by-step explanation:

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