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Ugo [173]
3 years ago
7

The expression d/t can be used to find the average speed of an object that travel a distance d in time t. What is sc cars averag

e speed if it travels 145 miles in 2.5 hours?
Mathematics
1 answer:
Firlakuza [10]3 years ago
4 0
You just divide the distance travelled by the time like so: 145mi/2.5h and get 58mph. You can convert the 145mi into meters and 2.5h into seconds (145mi is approximately 233345m; 2.5h is 9000 seconds) and get an approximate speed of 26m/s if you want to convert to SI units.
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Question 3: Marla bought one necklace and two bracelets for $67.50. Use the following information to determine the amount she pa
Butoxors [25]

Answer:

Each bracelet costs 20.25

Step-by-step explanation:

Here's what was given in the equation:

Total Price: $67.50

Price of necklace: $27

We can subtract the $27 from the $67.50 to get $40.5

Since we know that both bracelets are the same price we can divide the $40.5 by 2 to get two of the exact same prices. The result is $20.25 for each bracelet.

<em>Hope this helps</em>

5 0
3 years ago
Evaluater 3/7+ 5/8s when r =14s =8.
adell [148]

Answer:

Step-by-step explanation:

Alright, lets get started.

The given expression as :

\frac{3}{7}r + \frac{5}{8}s

r is given as 14 and s is given as 8

Plugging the value of r and s in given expression.

\frac{3}{7}(14) + \frac{5}{8}(8)

3*2 + 5

6+5

11

Hence the answer is 11    :   Answer

Hope it will help :)

3 0
3 years ago
If 3 people go to lunch and the bill was $30 and they all give $10 and the waitress comes back with the waitress comes back and
Kryger [21]

Answer

No missing money

Step-by-step explanation:

Original money given to the waiter = $30

Each person paid $10

The waitress comes back with the waitress comes back and said the bill is $25

They gave her $2 for the tip

if each got $1.00 back

Balance = $1.00 × 3

= $3.00

That means each paid $9×3 = $27 including $2 .00 tip(recall that cost of the meal is now $25 plus $2 tip)

Each of them got $1.00 back

Total money spent = (cost of meal + tip) + balance of $3.00 given to them

= $27 + $3

= $30

Therefore, there is no missing $1.00

7 0
3 years ago
Solve this equation for f.<br> 11.75 + f = 6.38
Eddi Din [679]
 the answer to the question is F= -5.37

4 0
3 years ago
Read 2 more answers
X^2-x-20 how do I write that in factored form
Rufina [12.5K]

Answer:

(x+4)(x-5)

Step-by-step explanation:

You need to find two numbers that multiply to be -20 but add up to be -1.

4 0
3 years ago
Read 2 more answers
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