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Irina-Kira [14]
3 years ago
9

What is the most useful about mathematics for human kind?

Mathematics
1 answer:
Dominik [7]3 years ago
6 0

It's useful so when you go to the grocery store you know how much of whatever you need and you can multiply, divide, and subtract if needed. Without mathematics we wouldn't be able to calculate things. If you're a cashier for example, you need to know how to count change and count the money the person gives you. If you're a customer, you need to know how much to give the cashier and that involves mathematics. I hope this helped!!!

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Best estimate for 1kg =1,000g
Sphinxa [80]
I think the answer is 1g

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2 years ago
Members of the Wide Waters Club pay
vivado [14]

Answer:

The number of times members and non-members will have to rent a boat in order to pay the same amount=20

Step-by-step explanation:

We can have two expressions to show the total cost paid by a member and non-member;

Total cost by member=Cost per summer season+cost per number of times they rent a boat×number of times they rent a boat

where;

Cost per summer season=$105

Cost per number of times they rent a boat=$9.50

Number of times they rent a boat=n

Replacing;

Total cost by a member=105+(9.5×n)=9.5 n+105......equation 1

Total cost by a non-member=Cost per number of times they rent a boat×number of times they rent a boat

where;

Cost per number of times they rent a boat=$14.75

Number of times they rent a boat=n

Replacing;

Total cost by a non-member=(14.75×n)=14.75 n......equation 2

To calculate the number of times they would have to rent a boat in order to pay the same amount, we equate equation 1 to equation 2

9.5 n+105=14.75 n

14.75 n-9.5 n=105

5.25 n=105

n=105/5.25

n=20

The number of times members and non-members will have to rent a boat in order to pay the same amount=20

6 0
3 years ago
Algebra; convert.
Mariana [72]
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6.30 / 70 = 0.09 per day (it would cost 9 cents per day)
5 0
3 years ago
Negative three eights times a number,z, equals 12.
Dimas [21]

Answer:

the answer is 32

Step-by-step explanation:

3/8=0.375

0.375 x 12 =32

7 0
2 years ago
Read 2 more answers
L. Find the positive square root of each of the following numbers:(a) 36(b) 81(d) 256(c) 196
Yakvenalex [24]
(a)36 = 6
(b)81 = 9
(c)256 = 16
(d)196 = 14
6 0
2 years ago
Read 2 more answers
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