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Levart [38]
2 years ago
12

If 5x = 30 then x is equal to

Mathematics
2 answers:
max2010maxim [7]2 years ago
8 0

Answer:

6

Step-by-step explanation:

Gre4nikov [31]2 years ago
7 0

Answer:

6

Step-by-step explanation:

see first we have to get the x by its self so 5x/5 to cancel the 5's out so now what we do to one side we do to the other so 30/5 = 6

Hope this helps

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A skateboard that is originally $107 is on sale for 90% off!! How much does the skateboard cost?
Allisa [31]

90% off means is is selling for 10% of the original price.

Multiply original price by 10%

107 x 0.01 = $10.70

It is selling for $10.70

6 0
3 years ago
When two sets are equal they have ?​
Nezavi [6.7K]
Your answer should be B. Two sets are equal if they contain the same elements. Two sets are equivalent if they have the same cardinality or the same number of elements.
6 0
2 years ago
Read 2 more answers
I dont understand this problem
Fiesta28 [93]

Answer:

D and F

Step-by-step explanation:

x^{2}+4x+4=12 can be rewritten as x^{2} +4x-8=0.

From there you can use the quadratic formula x=\frac{-b±\sqrt{b^{2}+4ac } }{2a} (ignore the A, I can‘t seem to remove it), where a=1, b=4, and c=-8.

x=\frac{-4±\sqrt{4^{2}-4(1)(-8)} }{2(1)}

Then you get x=\frac{-4±\sqrt{16+32}}{2}

Then you get x=\frac{-4±\sqrt{48} }{2}

So x=-2±\frac{4\sqrt{3} }{2}

Which means x=-2+2\sqrt{3} or -2-2\sqrt{3} which are choices D and F.

8 0
2 years ago
Which of these choices is the best estimate for the answer of 3 1/4 + (-2 2/3)?
Evgesh-ka [11]
3 1/4 = 3.25
-2 2/3 = -2.6667
3.25 + (- 2.6667)
= 3.25 - 2.6667
= ~0.58
therefore best estimate is 0
6 0
3 years ago
Read 2 more answers
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lubasha [3.4K]

Answer:

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Step-by-step explanation:

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