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alexgriva [62]
3 years ago
10

I need help on algebra

Mathematics
2 answers:
boyakko [2]3 years ago
5 0
Just remember the syllables PEMDAS which stand for Parentheses, Exponents, Multiplication, Division, Addition and Subtraction. If you can’t remember it, just write it on the side of your paper. But make sure to use it in that order.
ki77a [65]3 years ago
3 0

Answer:

1)   5x³ + 3x²

2)  25 - 3x⁵

3)  -4ab + 2a² + 26

4)   p²q³ + pq

Step-by-step explanation:

Like terms are expressions like 3x and 2x or 5x² and 8x².

1)  x² + 5x³ + 2x²

    5x³ + 3x²

2)  -2x⁴ + 16 + 2x⁴ + 9 - 3x⁵

     -2x⁴ + 2x⁴ + 25 - 3x⁵

      25 - 3x⁵

3)  ab - a² + 4² - 5ab + 3a² + 10

     ab - a² + 16 - 5ab + 3a² + 10

     ab - a² - 5ab + 3a² + 26

     ab - 5ab + 2a² + 26

     -4ab + 2a² + 26

4)  3p²q² - 3p²q³ + 4p²q³ - 3p²q² + pq

     3p²q² + p²q³ - 3p²q² + pq

     p²q³ + pq

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Nik, a social worker for a county, helps county residents who are struggling with different issues. Nik logs the following hours
True [87]

Answer:

B

Step-by-step explanation:

The question is:

<em>What percent of time did Nik spend with clients on Thursday? </em>

<em>a. 10% </em>

<em>b. 70% </em>

<em>c. 30 % </em>

<em>d. 80%</em>

<em />

<u>Solution:</u>

c means client meetings and o means other work.

The hours are shown in the table.

We want % of time on Thursday that he spent on clients.

In Thursday:

7c and 3o

Means 7 hours with clients and 3 hours with office work.

Total time spent = 7 + 3 =  10 hours

Client time spent = 7 hours

% time spent with clients on Thursday: 7/10 = 0.7 * 100 = <u>70%</u>

<u>Answer choice B is right.</u>

6 0
3 years ago
Type an equation for the line
Thepotemich [5.8K]

Answer:

y=-\frac{2}{3}x+1

Step-by-step explanation:

Let the equation of the line given in the graph is,

y = mx + b

Where 'm' is the slope of the line

And 'b' represents the y-intercept

Since slope of a line passing through two points (x_1, y_1) and (x_2,y_2) is modeled by,

m = \frac{y_2-y_1}{x_2-x_1}

If this line passes through (-3, 3) and (3, -1),

m = \frac{3+1}{-3-3}

m = -\frac{4}{6}

   = -\frac{2}{3}

And 'b' = 1

Equation of this line will be,

y=-\frac{2}{3}x+1

4 0
3 years ago
Solve the following for w: P=2l+2w
exis [7]

Answer:

w = P/2 - 1

Step-by-step explanation:

Can I have brainliest?

8 0
3 years ago
If we assume that 2010 is t=0 what is the initial value and what does it mean?
timurjin [86]

The initial value is 309.35

It means that in the year 2010 (starting year) the population was 309,350,000 people or written another way "309.35 million". The second way is more short so probably the more preferred method.

To find the value 309.35, simply look at the table under the value t = 0.

4 0
3 years ago
Read 2 more answers
Solve for x: x²−9=5(x−3).
IceJOKER [234]

Answer:

Step-by-step explanation:

3 0
3 years ago
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