What value is equivalent to 30 − 23 × 3?

Mathematics

2 answers:

s344n2d4d5 [400]3 years ago

5 0

Answer: 21

30-23=7 ; 7 times 3 =21

Rus_ich [418]3 years ago

4 0

Answer:

The equivalent value would be -39.

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Step-by-step explanation:

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I've been trying to get an answer for this all day and don't know where to begin what is the answer like I have no clue

Shtirlitz [24]

so, we have two 54x18 rectangles, so their perimeter is simply all those units added together, 54+54+54+54+18+18+18+18 = 288.

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$\bf \stackrel{\textit{circumference of a circle}}{C=d\pi }~~ \begin{cases} d=diameter\\[-0.5em] \hrulefill\\ d=27 \end{cases}\implies C=27\pi \implies C=\stackrel{\pi =3.14}{84.78} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{perimeter of the rectangles}}{288}~~~~+~~~~\stackrel{\textit{perimeter of the circle}}{84.78}~~~~=~~~~372.78$