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2 years ago

What is h? Problem 23h=12

Mathematics

2 answers:

mr_godi [17]2 years ago

8 0

Answer:

it will be 1.91 or if want rounded to nearest tenth it will be 1.9

Step-by-step explanation:

dont have a explanation nut i hopes this help.

Grace [21]2 years ago

7 0

Answer:

h= $\frac{12}{23}$

h=0.52173913043

Step-by-step explanation:

23h=12

divide 12 by 23

h= $\frac{12}{23}$

h=0.52173913043

Hope this helps! :)

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the frame of a picture is 28 cm by 32 cm outside and is of uniform width.What is the width of the frame if 192 cm2 of the pictur

natita [175]

Answer:

The width of the frame is equal to $8\ cm$

Step-by-step explanation:

Let

x-------> the width of the frame picture

we know that

$(28-2x)(32-2x)=192$

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$4x^{2}-120x+704=0$

Simplify

$x^{2}-30x+176=0$

The formula to solve a quadratic equation of the form $ax^{2} +bx+c=0$ is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2}-30x+176=0$

$a=1\\b=-30\\c=176$

substitute in the formula

$x=\frac{30(+/-)\sqrt{(-30)^{2}-4(1)(176)}} {2(1)}$

$x=\frac{30(+/-)\sqrt{196}} {2}$

$x=\frac{30(+/-)14} {2}$

$x=\frac{30+14} {2}=22\ cm$ ----> this solution is not logic

$x=\frac{30-14} {2}=8\ cm$

The width of the frame is equal to $8\ cm$

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Which of the sets shown include the elements of Set Z that are both even numbers and multiples of 3? Z = {–12, –10, –9, –1, 3, 6

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Answer:

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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