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almond37 [142]
3 years ago
10

What is 9/21 in simpliest form? PLS HELP ONLY IF U KNOW AND ILL MARK BRAINLIEST QUICKKK

Mathematics
2 answers:
Dovator [93]3 years ago
8 0

3/7 is 9/21 in simpliest form.

jasenka [17]3 years ago
6 0

Answer:

3/7

Step-by-step explanation:

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Two shapes are similar and their sides have a ratio of 2:9. What is the ratio of the surface areas for
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\bf ~\hspace{5em} \textit{ratio relations of two similar shapes} \\\\ \begin{array}{ccccllll} &\stackrel{\stackrel{ratio}{of~the}}{Sides}&\stackrel{\stackrel{ratio}{of~the}}{Areas}&\stackrel{\stackrel{ratio}{of~the}}{Volumes}\\ \cline{2-4}&\\ \cfrac{\stackrel{similar}{shape}}{\stackrel{similar}{shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3} \end{array}~\hspace{6em} \cfrac{s}{s}=\cfrac{\sqrt{Area}}{\sqrt{Area}}=\cfrac{\sqrt[3]{Volume}}{\sqrt[3]{Volume}} \\\\[-0.35em] ~\dotfill

\bf s:s\implies 2:9\implies \cfrac{s}{s}\implies \cfrac{2}{9}=\cfrac{\sqrt{Area}}{\sqrt{Area}}\implies \cfrac{2}{9}=\sqrt{\cfrac{Area}{Area}} \\\\\\ \left( \cfrac{2}{9} \right)^2=\cfrac{Area}{Area}\implies \cfrac{2^2}{9^2}=\cfrac{Area}{Area}\implies \cfrac{4}{81}=\cfrac{Area}{Area}

7 0
3 years ago
What is the range of the function g(x) = |x - 12| - 2?
PtichkaEL [24]

Step-by-step explanation:

The function is given by

It is an absolute value function which has a v- shaped graph.

The vertex form of an absolute function is given by y = a|x-h| +k, where (h,k) is the vertex.

Comparing the given equation with this, we have

h = 12

k = -2

Hence, the vertex would be (12,-2).

Now, the range of the function is the set of y values for which the function is defined.

This function has vertex of (12,-2). hence, it would not take any values which are less than -2. Please see the attached graph.

Hence, the range would be the all y values greater than or equal to -2.

Hence, the range is given by

8 0
2 years ago
Can You help me with the Questions On the Screenshot?
Agata [3.3K]

Answer:

The answer would be 129°

Step-by-step explanation:

We know that <em>AZC </em>is a right angle so you would add the 90° ( which is equal to a right angle) to 39° to get your answer :)

6 0
2 years ago
I need help with this question. I cant find the surface area of this square pyramid. Please help me.
docker41 [41]
25 bc 5 times 5 is 25
4 0
2 years ago
suppose you are in your last semester of college and have a 2.75 GPA after 105 credit hours if you are taking 15 credit hours in
Valentin [98]

Answer:

The overall CGPA would be 2.90 so it is not possible for hum to secure a CGPA of 3 for graduation.

Step-by-step explanation:

Given,

CGPA = 2.75

Credit hours = 105

Last semester GPA = 4

Last semester credit hours = 15

CGPA = \frac{sum of (Credit hours of each subject * GPA of each subject)}{Total credit hours}credit hours * gpa

in our case, it would be:

CGPA = \frac{(2.75*105)+(4*15}{105+15}

=> \frac{(288.75)+(60)}{120}

=> \frac{348.75}{120}

=> 2.90

The overall CGPA would be 2.90 so it is not possible for hum to secure a CGPA of 3 for graduation.

7 0
3 years ago
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