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I am Lyosha [343]
3 years ago
10

1 /3 − (−1 /5 ) a. -1/2 b. 1/4 c. 2/15 d. 8/15

Mathematics
2 answers:
Alexandra [31]3 years ago
8 0

Answer:

D. 8/15

Step-by-step explanation:


Nadya [2.5K]3 years ago
7 0

Hello there! :)

<u><em>Answer:</em></u>

<u><em>8/15</em></u>

<u><em>*The answer must have a fraction.*</em></u>

Step-by-step explanation:

First, apply by the rule of fractions.

\frac{1}{3}+\frac{1}{5}

Then, multiply by the numbers from numerator to denominator.

5*3=15

3*1=3

\frac{5}{15}+\frac{3}{15}

When if denominator are equal, it combine the fraction.

\frac{5+3}{15}

And finally add by the numbers on numerator.

5+3=8

Answer: =\frac{8}{15}

Hope this helps!

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A boat has a rip-hole in the bottom while 20 miles away from the shore. The water comes in at a rate of 1.5 tons every minute, a
Montano1993 [528]

Answer:

t = 70 tons/1.5 tons/min = 46.7 min = 2800 sec before boat sinks

S = V * t

V = S / t = 20 mi * 5280 ft/mi / 2800  sec  = 37.7 ft/sec

Since 88 ft/sec = 60 mph

the speed is 60 * 37.7 / 88 = 25.7 mph

7 0
3 years ago
Mean 6.9 6.3 6.3 6.3 6.2 6.7 7.1 6.2 6.8 6.2
FinnZ [79.3K]

The mean of the values given is 6.5.

The mean in mathematics is found by finding the sum of all the values (adding the all together), then dividing the sum by the number of values there are.

If you add all the values given in the set above, you will get 65. There are 10 values, so you take 65 and divide it by 10. Thus getting 6.5 as your answer.

I hope this helps!

6 0
3 years ago
Which statement is true about the ordered pair (5 , 2)? A. To plot the ordered pair (5 , 2), travel two units to the right on th
MissTica

Answer:

b

Step-by-step explanation:

you can tell because it cant be D or C because you cant go right on the y axis and up on the x axis. it cant be A because 5 is the x and 2 is the y. A says that 5 is the y and 2 is the x. so it has to be B.

8 0
3 years ago
Which point is a solution of x + 2y ≤ 4?
SVEN [57.7K]
(1,1) because x + 2y <4
   =1 + 2(1)
   = 3 which is less than 4
4 0
3 years ago
Read 2 more answers
CORRecT ANSWERS ONLY. What is the value of x?
kari74 [83]

Answer:

x =5.25

Step-by-step explanation:

Comment

So you want to find x? If the scale factor is 1.75 it means that you multiply whatever dimension on Figure A by 1.75 to get the corresponding dimension on B.

Formula

x = 1.75 * 3

Solution

x = 1.75 *  3

x = 5.25

3 0
2 years ago
Read 2 more answers
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