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3 years ago

What is 16x5-3+5=? (FREE BRAINLIEST)

Mathematics

2 answers:

strojnjashka [21]3 years ago

5 0

Using PEMDAS it goes 16x5 which is 80 then subtract 3 which is 77 then you add 5 and your final answer is 82

777dan777 [17]3 years ago

4 0

Answer:

I think it's 82

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5(-42/-7) + (-15) - (-3)

siniylev [52]

Answer:

2058

Step-by-step explanation:

8 0

2 years ago

X - 13 = x + 1 is it true

natulia [17]

Answer:

No it is wrong

Step-by-step explanation:

let's say the number is 15 is a substract 13 I get 2 but let's take 15 again of I add one I have 16 so it's incorrect

7 0

2 years ago

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What is 7=b/11 what is b

alina1380 [7]

7 = b/11

11 × 7 = 77

Answer:

b = 7

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2 years ago

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4. Stephanie breaks on average 1.5 pencils every school day. How many pencils can she expect to break in a week (5 days)?

olya-2409 [2.1K]

Answer:

7.5 pencils broken in a week (5 days).

Step-by-step explanation:

1.5 pencils broken a day

Now we just multiple this by 5 for each of the school day's.

1.5 pencils * 5 days = 7.5 pencils broken in a week.

Have a nice day! :)

Please mark this answer as brainiest!

7 0

2 years ago

What's the explicit rule for the sequence 3, -6, 12, -24, 48, ...?

777dan777 [17]

Answer:

$\sf \dfrac{-3}{2}(-2)^n$

Step-by-step explanation:

Explicit formulas are used to represent all the terms of the geometric sequence with a single formula.

$\sf \boxed{\bf t_n = ar^{n-1}}$

a is the first term.

r is the common ratio.

r = second term ÷ first term.

3 , - 6 , 12, - 24, 48 ,........

a = 3

r = -6 ÷ 3 = -2

$\sf t_n = 3*(-2)^{(n-1)}\\\\$

$\sf = 3*(-2)^{n}*(-2)^{-1}\\\\ =3*(-2)^n*\dfrac{-1}{2}\\\\= \dfrac{-3}{2}(-2)^n$

Check:

$\sf t_1 =\dfrac{-3}{2}*(-2)^1=\dfrac{-3}{2}*(-2) = 3\\\\\\t-2 = \dfrac{-3}{2}*(-2)^2 = \dfrac{-3}{2}*4=-6\\\\\\t_3=\dfrac{-3}{2}*(-2)^3=\dfrac{-3}{2}*(-8)=12$

4 0

1 year ago

Read 2 more answers