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Vsevolod [243]
4 years ago
8

Select two ratios that are equivalent to 2:9, colon, 9. Choose 2 answers:

Mathematics
2 answers:
ira [324]4 years ago
6 0

Answer:

4:18 and 6:27

Step-by-step explanation:

sergey [27]4 years ago
3 0

Answer:

the correct answer is option b and c

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Find the area if the figure using 3.14
Veronika [31]
The area of the square is 9, the area of all the semi circles added together is 15.7, when you add them together you get 24.7
8 0
3 years ago
Can you solve and explain this please!?!
Brilliant_brown [7]

The answer is 113 degrees because it’s supplementary you know you have to subtract it from 180 so 180-67=113

5 0
3 years ago
Read 2 more answers
Solve for x: 4x - 8 = 7x - 2<br>Anyone know the answer for this one?<br>Thanks!​
erastovalidia [21]

Answer:

\huge{ \fbox{ \tt{x =  - 2}}}

Step-by-step explanation:

\underline{ \underline{ \mathfrak{Let's \: solve}}} :

\star{ \sf{ \:  \: 4x - 8 = 7x - 2}}

\text{Step \: 1} :  \sf{Move \: 7x \: to \: left \: hand \: side \: and \: change \: its \: sign}

\mapsto{ \sf{4x - 7x - 8 =  - 2}}

\text{Step \: 2} :  \sf{Move \: 8 \: to \: right \: hand \: side \: and \: change \: its \: sign}

\mapsto{ \sf{4x - 7x =  - 2 + 8}}

\text{Step \: 3} :  \sf{Collect \: like \: terms}

\sf{Like \: terms \: are \: those \: which \: have \: same \: base}

\mapsto{ \sf{ - 3x =  - 2 + 8}}

\text{Step \: 4} :  \sf{Calculate}

\underline{ \text{Remember!}} :  \sf{The \: negative \: and \: positive \: integers \: are \: always \: subtracted \: but \: posses \: the \: sign \: of \: the \: bigger \: integer.}

\mapsto{ \sf{ - 3x =  6}}

\text{Step \: 4} :  \sf{Divide \: both \: sides \: by \:  - 3}

\mapsto{ \sf{ \frac{ - 3x}{ - 3}  =  \frac{6}{ - 3}}}

\text{ Step \: 4} :  \sf{Calculate}

\mapsto{ \sf{x =  - 2}}

Hope I helped!

Best regards! :D

~\sf{TheAnimeGirl}

3 0
3 years ago
two angles are supplementary. if one angle has a measure twice the other angle, what are the measures of the angles
forsale [732]
Supplementary = equal to 180 degrees.

We can set up an equation.

2x + x = 180

Combine like-terms:
3x = 180

Divide both sides by 3 to isolate the x.

x = 60.

So one angle is 60 degrees and since the other one is twice of x, it is 120 degrees. If you add 120 and 60 degrees, you should get 180 degrees.

Nevertheless, the measures of the angles are 60 and 120 degrees.
5 0
4 years ago
40% of what number is 82?
Naya [18.7K]
82*100/40 = 205 

<span>40% 0f 205 = 205*40% = 205*40/100 = 82
hopes this helps :) :D :)</span>
4 0
3 years ago
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