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Effectus [21]
3 years ago
5

Combine like terms to create an equivalent expression 2/5m-4/5-3/5m

Mathematics
1 answer:
Reika [66]3 years ago
3 0

For this case we have the following expression:

\frac {2} {5} m- \frac {4} {5} - \frac {3} {5} m =

We add similar terms:

\frac {2} {5} m- \frac {3} {5} m- \frac {4} {5} =

Different signs are subtracted and the sign of the major is placed:

\frac {2-3} {5} m- \frac {4} {5} =\\- \frac {1} {5} m- \frac {4} {5} =

The expression is simplified as:

\frac {-m-4} {5}

ANswer:

\frac {-m-4} {5}

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How many different triangle can you make if you are given the measurements for two sides and an angle that is not between those
Alexandra [31]

Answer:

option C : 2

Step-by-step explanation:

because there can be one triangle from BA till 20cm . and other till D

hope it helps you

4 0
3 years ago
Read 2 more answers
-8(8v + 1) - 2 = -394
Bess [88]

Answer:

v = 6

Step-by-step explanation:

Solve for v:

-8 (8 v + 1) - 2 = -394

-8 (8 v + 1) = -64 v - 8:

-64 v - 8 - 2 = -394

Grouping like terms, -64 v - 8 - 2 = -64 v + (-8 - 2):

-64 v + (-8 - 2) = -394

-8 - 2 = -10:

-10 - 64 v = -394

Add 10 to both sides:

(10 - 10) - 64 v = 10 - 394

10 - 10 = 0:

-64 v = 10 - 394

10 - 394 = -384:

-64 v = -384

Divide both sides of -64 v = -384 by -64:

(-64 v)/(-64) = (-384)/(-64)

(-64)/(-64) = 1:

v = (-384)/(-64)

The gcd of -384 and -64 is -64, so (-384)/(-64) = (-64×6)/(-64×1) = (-64)/(-64)×6 = 6:

Answer:  v = 6

3 0
3 years ago
Read 2 more answers
Bob drove at an average speed of 15km/h correct to the nearest unit. He drove for 3 hours, correct to the nearest hour. What is
Mazyrski [523]

Answer:

45km

Step-by-step explanation:

Given data

Average Speed= 15km/h

Time = 3 hours

Required

The distance traveled

Speed= distance/time

Distance= speed*time

Distance= 15*3

Distance= 45km

Hence the lower bound of the distance is 45km

5 0
3 years ago
The distance from Kenya's house to her job is 18 miles. One morning she left her house at 7:15 a.m. She traveled at the rate of
Snezhnost [94]

20 minutes = 1/3 of an hour

1/3 = 0.333

 1/3 x 45mph = 15, so she drove 15 miles at 45mph

18-15 = 3

3 miles/ 20 mph = 0.15 hours


0.333+0.15 = 0.483 hours total

0.483 x 60 = 28.98 so approximately 29 minutes total driving time

7:15 + 29 minutes is 7:44 am she arrived at work

8 0
3 years ago
Help it’s very urgent please !!!!
marin [14]
The answer is seven (7)

Explanation:

There are eight red flowers
There are ten white flowers
There are five yellow flowers

Add those together.

8+10+5 = 23

Subtract from the total number of flowers which is thirty.

30 - 23 = 7
5 0
3 years ago
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