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3 years ago

Equations that look different but have the same solution are said to be

1 answer:

3 0

Let's define each choice to differentiate which is the answer

A. Equivalent - equivalent equations may not look exactly the same on face value. But they are equivalent because they have the same exact solution.

B. Expressions - expression is a general term for equations that are formed from word problems

C. Equal - equal equations are the exact duplicate of each other

D. Similar - this term is only used on geometric shapes to tell that the two shapes have a fixed ratio of their similar sides or angles

E. Radical - radical equations are those involving fractions

Therefore, from their descriptions, the answer is A.

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"Write two equations: one parallel, one perpendicular to (5,-2) y= 1/5x-3

guajiro [1.7K]

Answer:

For parallel:

gradient is 1/5

$y = mx + c$

consider (5, -2):

$- 2 = ( \frac{1}{5} \times 5) + c \\ - 2 = 1 + c \\ c = - 3$

${ \boxed{ \bf{equation : y = \frac{1}{5}x - 3 }}}$

For perpendicular:

gradient, m1:

$m _{1} \times m_{2} = - 1 \\ m _{1} \times \frac{1}{5} = - 1 \\ \\ m _{1} = - 5$

gradient = -5

$y = mx + c \\ - 2 = (5 \times - 5) + c \\ - 2 = - 25 + c \\ c = 23$

${ \boxed{ \bf{equation :y = - 5x + 23 }}}$

7 0

3 years ago

Read 2 more answers

Combine like terms for the following expression: -3x +14 - 11+ 11x

vitfil [10]

Step 1. 11x -3x = 8x
Step 2. 14-11 = 3
Answer: 8x + 3

4 0

3 years ago

A car was sold 24 standard washed in a day , which was 25% of their total sales for that day . What was the total amount of wash

-Dominant- [34]

Answer:

$96$

Step-by-step explanation:

GIVEN: A car was sold $24$ standard washed in a day , which was $25\%$ of their total sales for that day.

TO FIND: Total amount of washes that the car wash sold that day.

SOLUTION:

Let the total sales of car washes sold for that day $=x$

total number of standard car washes sold $s=24$

As, total standard car washes sold are $25\%$ of total sales in a day

$s=\frac{25}{100}x$

putting value in equation

$24=\frac{25}{100}x$

$x=\frac{24}{25}\times100$

$x=96$

Hence the total number of car washes sold that day are $96$

4 0

4 years ago

A shipping container will be used to transport several 120-kilogram crates across the

allochka39001 [22]

Answer:

150.833... or 150 and 5/6 crates

Step-by-step explanation:

We can create an equation to solve this.

Let x represent the number of 120 kilogram crates that can be loaded into the chipping container.

120x (weight of the crates) + 5900 (weight already in the container) = 24000 (max weight in the container)

We'll start by subtracting 5900 from both sides to try to isolate x, the number of containers we still need to meet 24000 kilograms.

120x = 18100

Now we just have to isolate x by dividing by 120.

x = 150.83333333333333333333333333333

If you want to use a mixed fraction form for this solution since the 3's keep repeating, it would be 150 and 5/6 crates.

4 0

3 years ago

Find the domain and range of the relation and determine whether it is a function.

Anna [14]

The correct answer to this question is this "domain: x > 1; range: y > 0; Yes, it is a function."

Based from the graph, it has a vertical asymptote at x = 1, so domain is x > 1 and since it has horizontal asymptote at y=0, its range is y > 0. So this concludes us to have a domain of x > 1 and a range of y > 0.

7 0

3 years ago