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Tju [1.3M]
3 years ago
13

Can someone good at math give me a hand I really need some w

Mathematics
1 answer:
dedylja [7]3 years ago
5 0
What is the question that u need help with
You might be interested in
Find the sum of all possible five-digit numbers that can be formed using the digits 1, 2, 3, 5, 6, and 7, with no repeated digit
Strike441 [17]
<h2>Answer:</h2><h2>21,31,51,61,71,12,13,15,16,17,</h2>

3 0
3 years ago
A pitcher of water at 40 degrees Fahrenheit is placed into a 70 degree room. One hour later, the temperature has risen to 45 deg
solong [7]

Answer:

3 hours

Step-by-step explanation:

The difference between the initial temperature and the temperature after an hour is an increase of 5 degrees. Since we need to calculate the time it would take for the temperature to rise to 60 degrees we need to find the difference in degrees from the current temperature to 60 degrees.

60 - 45 = 15 degrees

Since 1 hour equals an increase of 5 degrees we need to divide 15 by 5 to calculate how many hours before the temperature increases to 60 degrees

15 / 5 = 3 hours

8 0
3 years ago
Does -8x+8=0 have a solution ?
dusya [7]

Answer:

Yes it does. It is 1.

Step-by-step explanation:

Subtract 8 from both sides then divide both sides by -8 and you get 1.

5 0
3 years ago
To the nearest minute, how long will it take to mow the lawn if 3000yd^2 can be mowed per hour? show your work.
-Dominant- [34]

Answer:

In\ 1\ minute\ lawn\ can\ be\ mowed=50\ yd^2

Step-by-step explanation:

Given,\\\\In\ 1\ hour\ lawn\ can\ be\ mowed= 3000\ yd^2\\\\we\ know\ that\\\\1\ Hour=60\ minutes\\\\In\ 60\ minutes\ lawn\ can\ be\ mowed=3000\ yd^2\\\\In\ 1\ minute\ lawn\ can\ be\ mowed=\frac{3000}{60}\ yd^2\\\\In\ 1\ minute\ lawn\ can\ be\ moved=50\ yd^2

4 0
4 years ago
HELP pls again.....<br><br>​
True [87]

Answer:

The choice C 31

Step-by-step explanation:

\frac{21}{x}  =  \frac{105}{155}  \\ 105x = 21 \times 155 \\ 105x = 3255 \\  \\ x =  \frac{3255}{105}  \\   \\ x = 31

7 0
3 years ago
Read 2 more answers
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