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MakcuM [25]
3 years ago
11

Fred completed 10 math problems. this is 40%of the number of math problems he has to do. how many math problems does he have to

do?
Mathematics
2 answers:
creativ13 [48]3 years ago
8 0
40 times 2 equals 80. So if we double both the numbers now he has done 20 math problems and 80% is done. But now we have to split the 10 in half because you cant do 80% plus 40% You have to do 80% plus 20% and that would be half of the 10. So in conclusion your answer is 25 math problems. ;)
Anuta_ua [19.1K]3 years ago
4 0
He need to do is like 24 math problems because 10 math problem are 40 plus another 10 math problem is 80 plus 20 equal a 100
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The distance between Anubhav’s school and his house is 45 km. He started from his house for school at 7:00 am and covered 30 km
8_murik_8 [283]

Answer:

45 km/h

Step-by-step explanation:

In the first part of the trip, he already covered 30 km so we can subtract that from the total distance

45 - 30 = 15

This means he has 15 km to go

He also took an hour, or 60 minutes, to get to school. We subtract the time spent of the first part and time spent talking to a friend from the 60 minutes

60 - 35 = 25

25 - 5 = 20

He took 20 minutes to cover the second part of the journey

Speed = distance/time

15/20 = 0.75

He covered 0.75 km per MINUTE

to find it in km/h, we just multiply the number by 60

0.75 x 60 = 45

6 0
3 years ago
Read 2 more answers
Graph the given function.
SpyIntel [72]

*<em>The graph has an asymptote at y = 0 and is increasing as x approaches positive infinity.*</em>

(got it right on edmentum)

<h2>for your assurance please look at the picture below for the right answer↓</h2>

4 0
2 years ago
35 points!! Only comment if you really know the answer please.
hodyreva [135]
Y = 3x - 1 ---- (1)
x - y = -9  ---- (2)

From Equation 2:
x - y = - 9
x + 9 = y 
y = x + 9 --- (2a)

(1) - (2a):
0 = 3x - x - 1 - 9
0 = 2x - 10
2x - 10 = 0
2x = 10
x = 5 ---- sub into (1)

y = 3(5) - 1 
y = 15 - 1
y = 14 

5 0
3 years ago
Someone who isn't a bot, please answer this.
lesantik [10]

Answer:

answer is here

Step-by-step explanation:

https://www.mathpapa.com/algebra-calculator.html

4 0
2 years ago
Verify the property: a ×( b+c ) = ( a×b ) + ( a×c ) by taking a = 3/5 , b = -2 , c = 10/13
Ivanshal [37]

Answer:

This is the distributive property

Step-by-step explanation:

You use the distributive property to allocate a number outside of the parentheses to inside the parentheses.

For this example, they distributed a to both b and c making it a*b + a*c

This will result in the same answer:

3/5(-2 + 10/13) = 3/5*-2 + 3/5*10/13

3/5(-1.23..) = -6/5 + 30/65 (..= approx)

approximately- 0.74  = -0.74

6 0
3 years ago
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