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Fittoniya [83]
3 years ago
8

What is 12 is 30% of

Mathematics
2 answers:
qwelly [4]3 years ago
8 0
3.6 is the answer to problems
Aliun [14]3 years ago
3 0

Answer:

Step-by-step explanation:

If this question is 12 is 30% of what number then you would solve it as such:

\frac{30}{100} = \frac{12}{x}

Note that you can rewrite any percent as the value that they give you over 100, and also since the question says that 12 IS 30% then 12 should be directly across 30% in the proportion itself (as shown above).

This gives:

30x = 1200

Dividing by 30 gives us that

x = 40

So 12 is 30% of 40.

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Jose goes to the bodega. He
AysviL [449]

Answer:

1 bag of chips cost $1.25

Step-by-step explanation:

total money spent minus cost of soda = price of 2 bags of chips

$4.00- $1.50 = $2.50

2 bags of chips divided by 2 = price for one bag

$2.50 / 2 = $1.25

3 0
2 years ago
Which expression could be used to find the volume of the prism shown below? 10 4 12 (4x12)x10 (4+12)x10 (10 +12)x12 (10+12)x4
Natalka [10]

Answer:

 V = 10x 4x 12

I think that's the answer :)

7 0
3 years ago
Solve for x. x/2≥−4<br> plz i need help!
Leto [7]

Answer:

x= -8

Step-by-step explanation:

x/2 is greater than of equal to -4

hence

x/2=-4

x=-4*2= -8

7 0
3 years ago
Evaluate the expression if b=44<br>14 b - 513<br><br>a.88<br>b.103<br>c.86<br>d.100<br>e.94<br>f.92
Nataliya [291]
Evaluating an expression consists of just replacing the letter by its value and do the calculus.
We have the expression 14b - 513. And by hypothesis, b = 44.
So just replace b by 44.

14b - 513 = 14*44 - 513 = 616 - 513 = 103.

So 14b - 513 = 103 (answer b) when b = 44.

Hope this helps! :)
4 0
3 years ago
A photo frame in the shape of a quadrilateral has one diagonal longer than the other. Is it a Rectangle? Why
julsineya [31]

Answer:

  • 80°

Step-by-step explanation:

A rectangle has same opposite sides and 4 right angles as property of a rectangle.

The photo frame has different diagonal lengths

It makes opposite sides different, therefore it is not a rectangle

<u>Given angles (x - 20) and (x + 40) are consecutive interior angles which add up to 180°</u>

  • x - 20° + x + 40° = 180°
  • 2x + 20° = 180°
  • 2x = 160°
  • x = 80°
3 0
3 years ago
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