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makkiz [27]
3 years ago
11

The number of minutes Pam talked on the phone was 35, 40, 12, 16, What was the average time Pam was on the phone

Mathematics
1 answer:
Fudgin [204]3 years ago
8 0

Answer:

<h2>25,75</h2>

Step-by-step explanation:

(35 + 40 + 12 + 16) : 4

= (75 + 28) : 4

= 103 : 4

= 25,75

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Write this multiplication expression using an exponent: 2 . 2 . 2 = ?
S_A_V [24]

Answer:2^3

Step-by-step explanation:

6 0
3 years ago
Tyler and Pearl went on a 20km bike ride that lasted for 3 hours. Because of steep hills or the trail, they walked for most of t
noname [10]

Answer: 1 hour


Step-by-step explanation:

Let the distance they walked be d_1 in time t_1 and the distance they walked be d_2 in time t_2 ,then

Walking speed=\frac{d_1}{t_1}=4

\\\Rightarrow\ d_1=4t_1

Riding speed=\frac{d_2}{t_2}=12

\\\Rightarrow\ d_2=12t_1

Also the total time taken=3 hours

∴t_1+t_2=3\\\Rightarrow\ t_2=3-t_1...(1)

Since the total distance= 20 km

∴d_1+d_2=20\\\Rightarrow4t_1+12t_2=20\\\Rightarrow4t_1+12(3-t_1)=20..............[\text{from (1)}]\\\Rightarrow4t_1+36-12t_1=20\\\Rightarrow-8t_1=-8\\\Rightarrow\ t_1=1

Thus, the they spent 1 hour time in walking.

7 0
3 years ago
Matt is running in a 9 mile race over
iren2701 [21]

Answer:54 minutes

Step-by-step explanation:

9 x 5 = 45 then 45+ the.1 minute from each mile so it would be 9 +45 = 54 minutes

4 0
3 years ago
Write the expression 2 3/5 as a radical.
BARSIC [14]
a^{\frac{m}{n}} = \sqrt[n]{a^m}

2^{\frac{3}{5}} = \sqrt[5]{2^3}

Answer is option D.
5 0
3 years ago
Read 2 more answers
I need help PLEASE help mee
EastWind [94]

Answer:

Step-by-step explanation:

In order to convert 0.0004578, which is in decimal, to scientific notation, all we need to do in this case is to move our decimal point to the right till we arrive at the first number that is not a zero, and then eliminate all the zero.

In this case, we will have to move the decimal point 4 spaces to our right, which would mean our exponent would be negative. The number of decimal spaces we moved to our right would be the value of our exponent, which is -4 in this case.

Thus, we have:

4.578 * 10^{-4}

6 0
4 years ago
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