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2 years ago

Evaluate the expression 4 × (3 + 52) ÷ 2. Show your work.

Mathematics

2 answers:

Alisiya [41]2 years ago

8 0

Answer:

should be 110

Step-by-step explanation:

if you use PEMDAS you first add what is in () so you add 3+52 which is 55 now do 4 X (55) divided by 2 no you go from left to right and multiply 4 x 55 which gives you 220 and now you divide 220/2 and you get 110 hope that helps give me BRAINLIEST !!!

Serga [27]2 years ago

5 0

Hey there!

Just do PEMDAS

• Parentheses

• Exponent

• Multiplication

• Division

• Addition

• Subtraction

To remember the PEMDAS formula you could say “Please Excuse My Dear Aunt Sally”

Anyway

Solving for your equation….

4 × (3 + 52) ÷ 2

= 4 × 55 ÷ 2

= 220 ÷ 2

= 110

Therefore, your answer is: 110

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

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Possible unit is m³

<u>Step-by-step explanation:</u>

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3 years ago

I need help with 5-9

Goryan [66]

Answer:

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7) infinite solutions

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Step-by-step explanation:

y = 5x - 8

y = -6x + 3

5x - 8 = -6x + 3

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x = - 10 - 5y

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x = -28 + 4y

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2x = -40

x = -20

this has infinite solutions because one equation is a simplified version of the other

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3 0

2 years ago

Scientists have discovered a vaccine for a debilitating disease. This year there were 570,000 reported new cases of the disease

Ket [755]

Answer: There are approximately 853827 new cases in 6 years.

Step-by-step explanation:

Since we have given that

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Rate at which population decreases is given by

$\frac{2}{3}$

Now,

First year =570000

Second year is given by

$570000\times (\frac{1}{3})$

Third year is given by

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$r=\frac{a_2}{a_1}=\frac{1}{3}$

number of terms = 6

Sum of terms will be given by

$S_n=\frac{a(1-r^n)}{(1-r)}$

We'll put this value in this formula,

$S_6=\frac{570000(1-(\frac{1}{3})^6}{(1-\frac{1}{3})}\\\\=853827.16$

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