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3 years ago

Need help on 4,5,6 and 7 please ! I’m begging you

Mathematics

2 answers:

Nastasia [14]3 years ago

6 0

4.) 3/100 = 0.03

5.) 73% = 0.73

6.) 0.1 = 10%

7.) 254% = 2.54

I hope this is what you're looking for!

Alekssandra [29.7K]3 years ago

4 0

4. .03

5. .73

6. 1/10

7. .254

i hope im correct (: sorry if i am not

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X² + y² = 8

ohaa [14]

Answer:

$(2,2)~ \text{and}~ (-2,-2)$

Step by step explanation:

$x^2 +y^2 =8~~~~~~...(i)\\\\x-y=0~~~~~~~~~...(ii)\\\\\text{From (ii):}\\\\x-y = 0 \implies x = y\\\\\text{Substitute x = y in eq (i):}\\\\~~~~~~y^2 +y^2 =8\\\\\implies 2y^2 = 8\\ \\\implies y^2 = \dfrac 82\\\\\implies y^2 = 4\\\\\implies y = \pm\sqrt 4\\\\\implies y = \pm 2\\\\\text{Substitute y = x in equation (i):}\\ \\~~~~~~x^2 +x^2 = 8\\ \\\implies 2x^2 = 8\\\\\implies x^2 = \dfrac 82\\\\\implies x^2 = 4\\\\\implies x = \pm\sqrt 4\\\\\implies x = \pm2\\\\$

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2 years ago

Solve and graph the inequality 4x – 10 < 18.

tiny-mole [99]

9514 1404 393

Answer:

The graph has an open circle at 7.
The arrow points left.

Step-by-step explanation:

Adding 10 and dividing by 4, we have ...

4x < 28

x < 7

The comparison does not include the "equal to" case, so the circle at x=7 is open. Values of x less than 7 are in the solution set. Those values are found to the left of 7 on the number line.

The graph has an open circle at 7.
The arrow points left.

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Ivahew [28]

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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Katarina [22]

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2 years ago

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