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2 years ago

Can somone help me with 1,2,3 ????

Mathematics

1 answer:

Llana [10]2 years ago

6 0

Answer:

This is a weird assignment

Step-by-step explanation:

1) 7.5 minute per mile

10 convert hours to min (900 min) and then simply the unit of 6771 miles by 900 min. The objective is to know how far you travel in one minute.

3) Chose any country in South America:

Brazil, Argentina, Peru, Columbia, Venezuela, Bolivia, etc.

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What is the percent of decrease on an item that went from $25 to $20?

trasher [3.6K]

$5..................

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3 years ago

asma owns $52000 in student loans for college. if the loan will be repaid in 5.5 years and the interest rate charged is 6.75% th

Ahat [919]

I=$52,000 R=6.75% T=5.5 years P=$19,305

3 0

3 years ago

Use a truth table to verify the ﬁrst De Morgan law (p ∧ q)’ ≡ p’ ∨ q’.

Nutka1998 [239]

Answer:

(p ∧ q)’ ≡ p’ ∨ q’

Step-by-step explanation:

First, p and q have just four (4) possibilities, p∧q is true (t) when p and q are both t.

p ∧ q

t t t

t f f

f f t

f f f

next step is getting the opposite

(p∧q)'

f

t

Then we get p' V q', V is true (t) when the first or the second is true.

p' V q'

f f f

f t t

t t f

t t t

Let's compare them, ≡ is true if the first is equal to the second one.

(p∧q)' ≡ (p' V q')

f f

t t

Both are true, so

(p ∧ q)’ ≡ p’ ∨ q’

6 0

3 years ago

How many lines of symmetry?

Alex73 [517]

Answer:

i think 4

sorryif its wrong

3 0

2 years ago

Read 2 more answers

Mario worked from 8:25 to 12:45 yesterday. Today

solmaris [256]

The number of hours he worked in all (written in fraction form) is $8\frac{1}{6} \ hours$

From the question,

Mario worked from 8:25 to 12:45 yesterday.

From 8:25 to 12:45 gives 4 hours 20 minutes

Also, from the question,

Today he will work from 11:20 to 3:10

From 11:20 to 3:10 gives 3 hours 50 minutes

To determine the number of hours he work in all, we will add the time spent working on the previous day to that of the current day. That is,

4 hours 20 minutes + 3 hours 50 minutes = 8 hours 10 minutes

Now, to put the answer in fraction form, we will convert 10 minutes to hours

NOTE: 60 minutes = 1 hour

∴ 10 minutes = $\frac{10}{60} \ hours$ = $\frac{1}{6} \ hours$

∴ 8 hours 10 minutes = $8\frac{1}{6} \ hours$

Hence, the number of hours he worked in all (written in fraction form) is $8\frac{1}{6} \ hours$

Learn more here: brainly.com/question/3164396

6 0

2 years ago