2 years ago

2.3 x (4 + 12) help plzzzzzzzzzzzxzzzzzzzzxzzzzzxxxzzzzzzzz

Mathematics

2 answers:

spayn [35]2 years ago

7 0

PEMDAS order of operations:

Parentheses first:

2.3 x (4+12) = 2.3 x (16)

Then multiply:

2.3 x 16 = 36.8

Cloud [144]2 years ago

5 0

Do the parentheses first so 12 + 4 = 16

2.3 x 16 = 36.8

The Answer is 36.8
Hope I helped! ( Smiles )

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Δ HFM- Δ PST What is the perimeter of triangle PST? Enter your answer in the box.

fgiga [73]

Step-by-step explanation:

$\triangle HFM \sim \triangle PST... (Given) \\\\\therefore \frac{HF}{PS} = \frac{FM}{ST} = \frac{HM}{PT}...(csst) \\ \\ \therefore \frac{30}{PS} = \frac{35}{ST} = \frac{45}{9}\\ \\ \therefore \frac{30}{PS} = \frac{35}{ST} = \frac{5}{1} \\ \\ \therefore \frac{30}{PS} = \frac{5}{1} \\ \\ \therefore PS = \frac{30}{5} \\ \\\boxed{ \therefore PS = 6 }\\ \\ \because \: \frac{35}{ST} = \frac{5}{1} \\ \\ \therefore \: ST = \frac{35}{5} \\ \\ \boxed{\therefore \: ST = 7} \\ \\ perimeter \: of \: \triangle PST \\ = 9 + 7 + 6 \\ = 22 \: units$