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Mazyrski [523]
3 years ago
14

What percent of a foot is in 3 inches.; 4 inches.; 6 inches.; 9 inches. ? 3 inches is _% of a foot 4 inches is _% of a foot 6 in

ches is _% of a foot 9 inches is _% of a foot
Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
3 0

Answer:

3 inches is 25 percent of a foot

4 inches is 33.33 percent of a foot

6 inches is 50 percent of a foot

9 inches is 75 percent of a foot

Step-by-step explanation:

The first thing we need to do to solve this problem is to convert our measurements in feet to inches.

1 foot = 12 inches

we can now find our percentage with ease since we are now making comparisons, using the same unit of measurement as a reference.

To get the percentage of which 3 is of 12, we simply perform the following operation: We divide 3 by 12 then multiply it by a hundred percent.

(3/12) X 100 = 25 percent.

3 inches is 25 percent of a foot

Similarly,

4 inches = (4/12) X 100 = 33.33 percent of a foot

6 inches =(6/12) X 100 = 50 percent of a foot

9 inches = (9/12) X 100 = 75 percent of a foot

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Solve the system by substitution
Lina20 [59]

Answer:

(-5, -30)

Step-by-step explanation:

We start with the equation:

y = 6x

y = -4x - 50

Since both of them are equal to y, we can substitute the 6x into y. So:

6x = -4x - 50

Now we can solve for x. Add 4x to both sides...

6x = -4x - 50

+4x   +4x

10x = -50

Now, divide both sides by 10.

<u>10x</u> = <u>-50</u>

10      10

x = -5

So, we now know that x is -5. Now we know this, we can substitute -5 where we see x. It works in both equations, so I will do both.

y = 6(-5)

y = -30

And...

y = -4(-5) - 50

y = 20 - 50

y = -30

As you can see, both equations show that y = -30. To check our work, let's plug in the values.

-30 = 6(-5)

-30 = -30

Also:

-30 = -4(-5) - 50

-30 = -20 - 50

-30 = -30

So, we can see that both of the equations gave us the same answer. So, our answer is x = -5 and y = -30, so the ordered pair is: (-5, -30). Hope this helps you!

6 0
3 years ago
If r = 5 units and x = 11 units, then what is the total surface area of the cylinder shown above?
Sergeu [11.5K]

Answer: 502.65

Step-by-step explanation: A= 2πrh + 2πr^ this is the formula for solving the surface area so now you must substitute

2·π·5·11+2·π·5^

6.28 · 55 + 2 π · 25

add and you will get 502.65 hope this helps mark me brainliest if it did

7 0
3 years ago
What is 2 2/3 in simplest form
kumpel [21]
The answer is 8/3 :)
6 0
3 years ago
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HELP ME PLS I NEED THIS NOW
OLga [1]
  • Answer:

<em> 195 yards²</em>

  • Step-by-step explanation:

<em><u>Area of rhombus (formula)</u></em>

<em>A = (d₁ₓd₂)/2</em>

<em>d₁ = 2ₓ7,5yd = 15 yd</em>

<em>d₂ = 2ₓ13yd = 26 yd</em>

<em>A = (15ydₓ26yd)/2</em>

<em>= 15ydₓ13yd</em>

<em>= 195 yards²</em>

3 0
3 years ago
At an animal shelter there are 15 dogs, 12 cats, 3 snakes and 5 parakeets. What percentage of cats is the number of dogs?
suter [353]

Answer:

125%

Step-by-step explanation:

15/12 = 1.25 then you move the decimal over 2 places.

8 0
3 years ago
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