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solong [7]
3 years ago
6

James completed 18 math problems. This is 30% of the problems he has to do. How many total math problems must he complete to be

done?
Mathematics
2 answers:
algol [13]3 years ago
7 0

Answer:

60 = n

Step-by-step explanation:

This problem can be rewritten as:

18 is 30% of what?

% means "out of 100" and of means "multiply"

18 = 30/100 ⋅ n

100/30 ⋅ 18 = 100/30 ⋅30/100 ⋅ n

1800/30 = 100/30 ⋅ 30/100 ⋅ n (both the 30/100 and 100/30 are crossed out here)

60 = n

Ryan must do a total of 60 problems

Having done 18 problems already he has 42 remaining.

Zepler [3.9K]3 years ago
5 0

Answer:

to many

Step-by-step explanation:

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The sum of three consecutive counting numbers is 15 more than the greatest
Alex777 [14]

Answer:

9

Step-by-step explanation:

x+x+1+x+2 = 15+x+2

3x+3=x+17

3x=x+14

2x=14

x=7

7+8+9=24

9+15 = 24

7 0
3 years ago
Can anybody help me out with this it’s due tomorrow please?
pogonyaev
For the first question you just need to add up all the sides. so first add all the x numbers and then add all the plain numbers.
a perimeter is the total length around the shape.
3 0
3 years ago
Which describes the translation of f(x) to g(x)? translation of four units up translation of five units up translation of four u
Jet001 [13]

Answer:

Option (1)

Step-by-step explanation:

Given question is incomplete; find the picture of the graph in the attachment.

Parent function f(x) = \frac{1}{2^x}

When function 'f' is translated by 4 units up which is evident form the graph, the translated function obtained is,

g(x) = f(x) + 4

g(x) = \frac{1}{2^x}+4

Therefore, Option (1). [Translation of 4 units up] is defined by the graph attached.

6 0
4 years ago
Please help math 25 pts
meriva

Answer:

D

Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
If the graph of the function f has a multiple zero at x = 2, what is a possible exponent of the factor x - 2? Justify your reaso
melomori [17]

Answer:

(x-2)^2

The exponent is 2.

Step-by-step explanation:

Remember multiplicity rules:

  • If a factor has an odd multiplicity (e.g. it is raised to 1, 3, 5...) then it will cross the x-axis.
  • If a factor has an even multiplicity (e.g. it is raised to 2, 4, 6...) then it will bounce off the x-axis.

At x=2, we have the factor (x-2).

From the graph, we can see that the graph bounces off at that point.

Hence, the multiplicity of (x-2) must be even.

Therefore, a possible exponent for the factor (x-2) is 2. Any even number will suffice.

6 0
3 years ago
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