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3 years ago

Please help! how many solution does this equation have please show your work.....

Mathematics

1 answer:

vodka [1.7K]3 years ago

7 0

Answer:

1 solution

Step-by-step explanation:

First, simplify the equation.

3x - 6 = 7x = 3x - 1

Then, combine like terms and isolate the variable.

7x = 5

Then, divide each side by 7.

x = 5/7.

There is 1 solution and it is 5/7.

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Solve the following equation: *<br> -9 (t – 2) = 4(t – 15)

iragen [17]

Answer:

6 =t

Step-by-step explanation:

-9 (t – 2) = 4(t – 15)

Distribute

-9t +18 = 4t -60

Add 9t to each side

-9t +18+9t = 4t+9t -60

18 = 13t -60

Add 60 to each side

18+60 = 13t-60+60

78 = 13t

Divide each side by 13

78/13 = 13t/13

6 =t

5 0

3 years ago

Algebra help needed. Overwhelmed with other papers. See attached

MA_775_DIABLO [31]

Answer:

Step-by-step explanation:

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3 years ago

3 (2+w) (use the distributive property to simlify each expression

krek1111 [17]

6+3w (don't mind this it has to be 20 characters long)

6 0

3 years ago

The 10 participants in an experiment had the following reaction times ( in milliseconds ) : 778,783,784,786,790,804,807,810,819,

Nata [24]

Answer:

Mean. It includes all data points.

Step-by-step explanation:

-We first need to calculate the mean, median and mode then compare our values:

#Mean:

$\bar x=\frac{1}{n}\sum{x_i}\\\\=\frac{1}{10}\sum{778+783+784+786+790+804+807+810+819+823}\\\\=\frac{1}{10}\times \\\\=798.40$

#The median is the middlemost data point in a lsit data:

778,783,784,786,790,804,807,810,819,823

-Since our data points is an even number, the median number is calculated as:

$median=\frac{1}2}\sum{5^{th}+6^{th}}\\\\=0.5[790+804]\\\\=797.00$

#Mode is the data point with the highest frequency:

-Since there's no number appearing more than once, our set has no mode.

#Since our data set has no outliers and is not a skewed distribution, the mean will be the best measure as it includes all data points

8 0

3 years ago

How many solutions does the nonlinear system of equations graphed below have

klio [65]

Answer:

The nonlinear system of equations has 4 solutions ⇒ B

Step-by-step explanation:

The number of solutions of a system of equations equal to the number of points of intersection of the graphs of the equations of the system

Let us use this note to solve the question

From the given figure

∵ The nonlinear system of equations represented by two curves and a circle

∵ Each curve intersects the circle into two points

∴ The number of the points of intersection is 4

→ By using the note above

∵ The number of intersection points equal to the number of solutions

∴ The number of solutions is 4

∴ The nonlinear system of equations has 4 solutions

8 0

3 years ago