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Korvikt [17]
2 years ago
12

Maria answered 15 math problems in 30 minutes. How many problems did in one minute?

Mathematics
1 answer:
IgorC [24]2 years ago
4 0

Answer:

2 questions

Step-by-step explanation:

15/30=x/1

30x=15

x=2

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Burka [1]

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

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7 0
3 years ago
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Manny bought a brand new car for $29,750. The car depreciates in value by 12% each year. Find the value of the car after 6 years
Arte-miy333 [17]

Answer: $13,846.02

Step-by-step explanation:

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To find the value of the car in the 6th year, you can use the compound interest formula:

= Value of car * ( 1 - rate) ^ no. of years

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6 0
2 years ago
50 students were asked what they did last night. 16 said they read a book, 41 said they watched TV, 7 said they did neither, how
Kamila [148]

Answer:

14 students

Step-by-step explanation:

Given

Let:

b \to read a book

t \to watched TV

So, we have:

n = 50 -- total

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t = 41

none = 7

Required

Students that did both (x)

This is calculated using:

Total = Books\ only + TV\ only + Both + None

So, we have:

n = (b - x) + (t - x) + x + none

This gives:

50 = (16 - x) + (41 - x) + x + 7

Open brackets

50 = 16 - x + 41 - x + x + 7

50 = 16 - x + 41 +7

Collect like terms

x = 16 - 50 + 41 +7

x = 14

<em>Hence, 14 students did both</em>

6 0
2 years ago
Will the gcf of an odd number and a even number is always given
Diano4ka-milaya [45]
The gfc of an odd number is always  odd 
the only  common factors between odd and even number must be odd 
3 0
3 years ago
Find the area of a square with a diagonal of 8cm.
klio [65]
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So now the area of a square is:
Side×Side
2×2=4
The area of the square is 4 centimetres
7 0
3 years ago
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