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lina2011 [118]
2 years ago
5

Can somebody help me

Mathematics
1 answer:
iogann1982 [59]2 years ago
7 0

Answer:

a) yes

b) yes

c) yes

d) no

e) no

You might be interested in
1. The population of a city is 85,000 and is growing at a rate of 3% each year. Find how many people live in this city after 13
krek1111 [17]

Answer:

85000 x 0.03 = 2550 (per year)

2550 x 13 = 33150

85000 + 33150 = 118150

Step-by-step explanation:

Hope that helped! Have a nice day!

8 0
2 years ago
one student wrote 18*d=54 for the sentence "The products of 18 and d equals 54". Another student wrote d*18=54 for the same sent
Aloiza [94]

Answer:

Both are right.

Step-by-step explanation:

The two are both right.

Multiplication in algebra obeys the  cummutative law ( a * b = b * a).

5 0
3 years ago
Read 2 more answers
when a linear function is graphed it passes through the points (-1,1), (1,5), and (3,9) what is the rate of change for the funct
vesna_86 [32]
Use the linear slope formula to solve for m: 

m=(y2-y1)/(x2-x1)

using the points (-1,1) and (1,5) you can find the slope for the first interval:
 
m=(5-1)/(1-(-1))
m=4/2
m=2

you can double check by using the same formula on the second interval, which is (1,5) to (3,9).

m=(9-5)/(3-1)
m=4/2
m=2 

therefore, the rate of change is 2. 
5 0
3 years ago
At her job, Jesse. Earn 9 dollars and 50 cents per hour, she also earns a 60 dollar bonus every month. Jesse needs to earn at le
vichka [17]

Answer:

Jesse needs to work 43 hours in the month to make $400 and $60


work for answer: 9.50 x 43 = 408.5

example why it can't be lower or higher than 43 hours 9.50 x 42 = 399  or 9.50 x 44 = 418

7 0
3 years ago
Read 2 more answers
Rei is barricading a door to stop a horde of zombies. She stacks boxes of books on a table in front of the door. Each box weighs
Alinara [238K]

Answer: The answer is \textup{W}=70+30x.


Step-by-step explanation: Given that Rei is barricading a door to stop a horde of zombies by satcking boxes of books on a table in front of the door.

The weight of each box is 30 kilograms and the weight of the table with 8 boxes on the top is 310 kilograms.

So, if 'g' denotes the weight of the table alone, then we have

\textup{g}+8\times 30=310\\\\\Rightarrow \textup{g}+240=310\\\\\Rightarrow \textup{g}=310-240\\\\\Rightarrow \textup{g}=70.

Therefore, the weight of the table without boxes is 70 kilograms.

Now, if 'W' is the total weight of the barricade, then it can be written as a function of 'x', the number of boxes Rei stacks on the table. The expression is as follows -

\textup{total weight of the barricade}=\textup{weight of the table alone}+30\times \textup{number of boxes}.

Thus, the required function is

\textup{W}=70+30x.



6 0
3 years ago
Read 2 more answers
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