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Dmitry [639]
4 years ago
14

Plz help me with my math homework! Help

Mathematics
2 answers:
Alona [7]4 years ago
7 0
3. 14.12 kilometers apart

4. 2.22 kilometers apart

5. the total cost was $10.35

6. the problem simplified is 5 × 3/25
Mandarinka [93]4 years ago
3 0
3) this is the answer
7.7 + 6.42 = 14.12
4)
8.2 - 5.98 = 2.22
5)
11.5 \times 0.9 = 10.35
6)if we simplify :
\frac{5 \times 24}{8 \times 25}
then it will be
\frac{1 \times 3}{1 \times 5}  =  \frac{3}{5}


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Systems of equations <br> 2x+2y=16<br> 2x+6y=28
Sholpan [36]
2x+2y=16
<span>2x+6y=28

all you have to do is subtract to get rid of the 2x and solve for y

2x+2y = 16
-2x-6y = -28
---------------------------
0 -4y = -12
y = 3

now we got y we can plug in or do the systems of equation again and find x.  lets do systems of equations again. 

</span>2x+2y=16
<span>2x+6y=28
</span><span>
this time i am going to multiple the top by -3  and then add the equations hopefully it is clear why I multiple by -3 
</span><span>
-3(2x+2y = 16)
2x +6y = 28 

-6x - 6y = -48
</span>2x +6y = 28 
------------------------
-4x + 0y = -20

x = 5 
4 0
4 years ago
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Add my discord yuuki#4545 ill help you personally with anything math related
mote1985 [20]

Answer:

ok thx

Step-by-step explanation:

4 0
3 years ago
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The circle graph below shows the scores of the latest math test. It represents 32 students. Approximately how many students earn
QveST [7]

Answer:

20

Step-by-step explanation:

6 0
3 years ago
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Prove that if n is an odd integer, then n^2 + 1 is an even integer.
MrRa [10]

Answer:

n=3

9+1=10

n=1

1+1=2

n=5

25+1=26

a odd interger squared is a odd interger so if you add one its even

Hope This Helps!!!

4 0
3 years ago
Suppose that on the average, 7 students enrolled in a small liberal arts college have their automobiles stolen during the semest
Galina-37 [17]

Answer:

P(x>1)=0.9927

Step-by-step explanation:

From the question we are told that:

Mean \=x =7

Generally the Poisson equation for \=x is mathematically given by

P(x>1)=1-P(x \leq 1)

Therefor

P(x>1)=1-(\frac{e^{-7}*7^0}{0!}+{\frac{e^{-7}*7^1}{1!})

P(x>1)=1-(9.1*10^{-4}+6.3*10^{-3})

P(x>1)=1-(7.3*10^{-3}

P(x>1)=0.9927

3 0
3 years ago
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