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3 years ago

(3x + 2) please help!

Mathematics

2 answers:

Dmitry_Shevchenko [17]3 years ago

5 0

Answer:

Not anwerable

Step-by-step explanation: because you have nothing to multiply in order for the numbers to be able to get out of the parenthesis

Alenkinab [10]3 years ago

4 0

Answer:

3 x X + 2

Is your factored expression.

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Question # 4

nadezda [96]

Ages of Mark, Brett and Carl are 80 years, 60 years and 70 years respectively.

<u>Solution:</u>

Given that

Brett is 18 years younger than Mark.

Carl is 10 years younger than Mark.

The sum of the ages of Brett, Mark, and Carl is 212

Need to determine age of Brett, Mark, and Carl.

Let assume age of mark in years be represented by variable x

As it is given that Brett is 18 years younger than Mark , so if we subtract 18 from the age of Mark we will get age of Brett ,

=> Age of Brett = x – 18

Also given that Carl is 10 years younger than Mark , so if we subtract 10 from the age of Mark we will get age of Carl ,

=> Age of Carl = x – 10

Given sum of ages of Brett, Mark, and Carl is 212

=> Age of Mark + Age of Brett + Age of Carl = 212

=> x + ( x – 18 ) + ( x – 10) = 212

=> 3x – 28 = 212

=> 3x = 212 + 28

Age of Mark = x = 80 years

Age of Brett = x – 18 = 80 – 18 = 62 years

Age of Carl = x – 10 = 80 – 10 = 70 years

Hence Ages of Mark , Brett and Carl are 80 years, 60 years and 70 years respectively.

3 0

3 years ago

I need help algebra

asambeis [7]

Answer:

A. the slope value is 1/4

B. 0

C. y = 1/4x

Step-by-step explanation:

A: the slope can be calculated with the formula

$m = \frac{rise}{run} = \frac{y2 - y1}{x2 - x1}$

m is the slope

(x1, y1) is your first coordinate point (any point will work)

(x2, y2) is your second coordinate point (any point will work)

Plug in your values, in this case I chose (0,0) and (4,1) as the two coordinates:

$m = \frac{y2 - y1}{x2 - x1} = \frac{1 - 0}{4 - 0} = \frac{1}{4}$

B: the y-intercept is the y-coordinate of where the graph touches the y-axis and in this case the coordinate is (0,0) where the y coordinate is 0.

the equation of the graph is y = mx + b.

m is the slope = 1/4

b is the y-intercept = 0

Therefore the equation is y = 1/4x

6 0

3 years ago

There are (4^9)^5 ⋅ 4^0 books at the library. What is the total number of books at the library?

Sidana [21]

$(4^9)^5 \cdot 4^0=4^{9*5} \cdot 1=4^{45}$

3 0

4 years ago

Which of the following is the correct expanded form for the series below?

spayn [35]

Answer:

A) 0+1+4+9+3

Step-by-step explanation:

6 0

3 years ago

A pig gained 14 pounds, and it now weighs 45 pounds. Write 4 equations to represent p, the weight of the pig before gaining the

shusha [124]

Let the original weight of the pig be p.
p+14=45
p=31.

3 0

4 years ago