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aniked [119]
3 years ago
6

4. Compare: 63% and 0.8 *

Mathematics
2 answers:
slamgirl [31]3 years ago
6 0

Answer:

63% is greater 0.8

Step-by-step explanation:

Hope it helps! :)

vovangra [49]3 years ago
4 0

Answer:

.8>63%

Step-by-step explanation:

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Use the number line to compare the numbers.
aniked [119]

First of all if it is increasing then then it would start at the negative numbers. First is -1.2 second is 1/5 then it is 0.5 and finally 3/5

7 0
3 years ago
Two trains are 210 miles apart, and their speeds differ by 17 mph. Find the speed of each train if they are traveling toward eac
Marizza181 [45]
V1 - velocity first train
v2 - velocity second train
v2 > v1

v2 - v1 = 17 mph

We know, that: 
s_1+s_2=210 \ [miles] \\ \\ t_1=t_2=2h

So:

v_1=\dfrac{s_1}{t_1}=\dfrac{s_1}{2} \\ \\ v_2=\dfrac{s_2}{t_2}=\dfrac{s_2}{2} \\ \\ \\ v_1+v_2= \dfrac{s_1}{2}+\dfrac{s_2}{2} \\ \\ v_1+v_2= \dfrac{s_1+s_2}{2} \\ \\  v_1+v_2= \dfrac{210}{2}=105

NOw we've got simple system of equations:

+\begin{cases} v_2-v_1=17 \\ v_2+v_1=105\end{cases} \\ \\ 2v_2=122 \qquad /:2 \\ \\ v_2=61 \qquad [mph] \\ \\ v_2-v_1=17 \\ \\ 61-v_1=17 \\ \\ v_1=44

Velocities of these trains are  61mph  and 44mph

3 0
3 years ago
Read 2 more answers
PLEASE HELP
mamaluj [8]
Just a question, are the 2's squares?
5 0
3 years ago
the table shows how the number of sit-ups Maria does each day has changed over time. At this rate, how many sit-ups will she do
tresset_1 [31]

Answer:

61

Step-by-step explanation:

a = 17

d = 21 - 17 = 4

12th day: 17 + 4(12 - 1)

17 + 44

61

8 0
3 years ago
The Dot plot shows the salaries for the employees that two small companies before a new company head is hired on each company se
Dmitry_Shevchenko [17]

Answer:

D

Step-by-step explanation:

8 0
3 years ago
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