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mylen [45]
3 years ago
8

I need to simplify this expression : 3.2 + (b + 5.7 )

Mathematics
1 answer:
Leni [432]3 years ago
6 0
The simplified expression is b+8.9
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How to combine two integers​
Genrish500 [490]

The simplest approach to do this is:

Convert both numbers to string

Concatenate both strings into one, as this is comparatively easy

Convert this concatenated string back to integer

Step-by-step explanation:

Given two integers n1 and n2, the task is to concatenate these two integers into one integer.

Example:

Input: n1 = 12, n2 = 34

Output: 1234

Input: n1 = 1, n2 = 93

Output: 193

5 0
4 years ago
suppose 84% of students chose to study spanish their junior year,. and that meant that there were 378 such students. How many st
murzikaleks [220]

Let x be the total of students in their Junior Year.

So, 84% of x =378

84% = 0.84

0.84x=378 (divided by 0.84)

x= 450 students.

The ones that chose not to take spanish will be:

450-378=72

72 students chose not to take spanish in their junior year.

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2 years ago
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Alenkasestr [34]

Answer:

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5 0
2 years ago
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Sandra and Bernice are starting a nutrition and exercise program that will last 12 weeks. Sandra is starting at 150 pounds and p
Anvisha [2.4K]

Answer:

They will not have the same weight during the program

Step-by-step explanation:

Let x be the number of weeks.

<u>Sandra:</u>

Sandra is starting at 150 pounds and plans to lose 1 pound a week.

Weight after x weeks:

150-x

<u>Bernice:</u>

Bernice is starting at 135 pounds and plans to lose 1/2 a pound a week.

Weight after x weeks:

135-\dfrac{1}{2}x

Weights must be the same, so

150-x=135-\dfrac{1}{2}x\\ \\\dfrac{1}{2}x-x=135-150\\ \\-\dfrac{1}{2}x=-15\\ \\x=30

Since 30 weeks is more that 12 weeks (the duration of the program), they will not have the same weight during this program.

6 0
3 years ago
PLEASE HELP PRECALC WHAT IS THE SECOND ROW MULTIPLIED BY?
Charra [1.4K]

Answer:

the answer is .5 i think

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3 years ago
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