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avanturin [10]
2 years ago
7

2 ACTIVITY: Estimating a Percents

Mathematics
2 answers:
Anestetic [448]2 years ago
8 0
18 is what percent of 40?
Answer: 45%
meriva2 years ago
7 0

Answer: 45%

Step-by-step explanation:

Converting the word problem into words, we have:

18= x/100*40

Solving for it, we get that x=45.

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Expand and simplify 5(2x+1)-2(3x-6)
BabaBlast [244]

Answer:

4x + 17

Step-by-step explanation:

10x+5-2(3x-6)

10x + 5-6x+12

6 0
3 years ago
Nectar foraging by bumblebees Suppose that, instead of the specific nectar function in Example 2, we have an arbitrary function
Anton [14]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
Shean has a piece of string 7/8 meter long. He uses 1/5 of he piece of string to tie a package and cuts the rest into 5 equal pa
Anastasy [175]

Answer:

7/50 meter

Step-by-step explanation:

Total piece of string = 7/8 meter

Used string = 1/5 of the piece of string

Used string =

1/5 of 7/8 meter

= 1/5 × 7/8

= 7/40 meter

Balance = Total string - used string

= 7/8 - 7/40

= 35-7/40

= 28/40

Balance = 28/40 meter

cuts the rest into 5 equal parts. What is the length of the pieces.

28/40 ÷ 5

= 28/40 × 1/5

= 28 / 200

= 7/50 meter

Length of each piece = 7/50 meter

5 0
3 years ago
Mrs. Kemp had 20 students in her kindergarten class at the beginning of the year.
Kipish [7]

Answer:

15%

Step-by-step explanation:

23 is 115% of 20 therefore, we can know that 23 is a 15% increase from 20.

5 0
3 years ago
Read 2 more answers
What are two ways to build 3x-(-4)​
Ivan

Answer:

3x + 4

or

3x + (4)

Step-by-step explanation:

You can shape that problem into many more but these are just 2 examples.

hope this helped DON'T forget to mark this as the brainliest answer and give it a 5 star and a heart for support and for people asking this same question in the future. have a nice day!!

4 0
3 years ago
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