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3 years ago

HELP MEE PLZZZ BRAINLIEST PLZZZ

Mathematics

2 answers:

ivann1987 [24]3 years ago

7 0

Answer:

Step-by-step explanation:

At least has to be the number or more.

So it could be 8, 9, 10... basically any number that's 8 or more.

Lana71 [14]3 years ago

4 0

Answer:

B) x ≥ 8

Step-by-step explanation:

x represents the number of dollars that Anna has.

If Anna has at least 8 dollars, she could have 8 or any number greater than 8 dollars. Anna could have 8, 9, 10, 11... etc. dollars.

This means that x is equal to or greater than 8.

x ≥ 8

I hope this helps!

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3 years ago

Simultaneous Equations 2x+4y=22 2x+2y=15

Aleks04 [339]

Answer:

x = 4

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Step-by-step explanation:

Ummmm

I'm not sure if this is corrrect but this is what I got

So first you solve 2x+4y=22 to find x

and you get x = $-2y+11$

Then you have to subtitute $-2y+11$ for $x$ in $2x+2y=15$

which you then get y= $\frac{7}{2}$

After you have to subttitute y= $\frac{7}{2}$ for y in x = $-2y+11$

which you get as x=4

Finally you get the answer as:

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Step-by-step explanation:

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