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1 year ago

What is 10% of 14???

Mathematics

2 answers:

Alex787 [66]1 year ago

7 0

Answer: 1.4

Step-by-step explanation:

14 x 0.1 = 1.4

(10% = 10/10 0= 0.1)

valentinak56 [21]1 year ago

5 0

Answer: 1.4

Step-by-step explanation:

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2 years ago

Question 6 of 10

ElenaW [278]

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This is the answer for apex!!!

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2 years ago

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A cone and a triangular pyramid have a height of 9.3 m

Otrada [13]

Answer:

$x=17.1\ in$

Step-by-step explanation:

The complete question is

A cone and a triangular pyramid have a height of 9.3 m and their cross-sectional areas are equal at every level parallel to their respective bases. The radius of the base of the cone is 3 in and the other leg (not x) of the triangle base of the triangular pyramid is 3.3 in

What is the height, x, of the triangle base of the pyramid? Round to the nearest tenth

The picture of the question in the attached figure

we know that

If their cross-sectional areas are equal at every level parallel to their respective bases and the height is the same, then their volumes are equal

Equate the volume of the cone and the volume of the triangular pyramid

$\frac{1}{3}\pi r^{2}H=\frac{1}{3}[\frac{1}{2}(b)(h)H]$

simplify

$\pi r^{2}=\frac{1}{2}(b)(h)$

we have

$r=3\ in\\b=3.3\ in\\h=x\ in\\pi=3.14$

substitute the given values

$(3.14)(3)^{2}=\frac{1}{2}(3.3)(x)$

solve for x

$28.26=\frac{1}{2}(3.3)(x)$

$x=28.26(2)/3.3\\x=17.1\ in$

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2 years ago

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What is the least possible sum of the digits displaying the time on a 12 hour digital clock?

True [87]

So if you think about it, this problem isn't that hard. So say it's 12:59, the total sum of those digits would be 71. If it was 1:11, then the sum would be 3. If it was 3:47, the sum would be 50. So now, you have to find the time where it would be the least possible sum. that time would be 1:00 because 1+0+0=1

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2 years ago

Omar makes 8 dollars for each hour of work. write an equation to represent his total pay p after working h hours.

Natalka [10]

(8 p / h) * "x" h = p (in dollars).
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in which: "h" = hours ;
"p" = pay (in units of dollars);
"x" = number of hours.
_________________________________
In the equation, on the left hand side, the unit symbol "h" would "cancel out" to "1" ;
and we would have:
_________________________________
8 p * x = _[total "p"]__

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2 years ago