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3 years ago

8

Solve it in elimination method 4x+3y=10

1 answer:

zhenek [66]3 years ago

6 0

There is another equation to solve it simultaneously

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Lori bought a shirt and a hat at a half off sale. If she spent a total of $21 on the two items, what was the original price of t

Bad White [126]

Do 21 divided by 2 and you’ll get 10.5 so the original price was $10 and 50 cents

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3 years ago

A rectangular garden has a length that is modeled by the expression 2 x – 7 and a width of 3 x 2 + 4 x. Part A: What is the area

borishaifa [10]

Area: (2x - 7) * (3*2 + 4x)
(2x - 7) * (6 + 4x)
8x-42

Perimeter: 2(2x - 7) + 2(3*2 + 4x)

5 0

3 years ago

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A group of students wants to determine the favorite snack food at their school. They know they should use a sample because the s

s2008m [1.1K]

Divide 5,000 to 100 and u will get your answer

3 0

3 years ago

Calculate the slope of the following line. Use the given point as (x1y1). Locate a second point on the line to represent (x2, y2

IrinaVladis [17]

Answer:

you'll go over 2 and then go up 2 to get your 2x and 2y

7 0

4 years ago

Read 2 more answers

18. For the following exercises, use the descriptions of each pair of lines given below to find the slopes of Line 1 and Line

dolphi86 [110]

Answer:

The given lines are parallel.

Step-by-step explanation:

In the question, two lines are given as line 1 passes through (0,6) and (3,-24). Whereas, line 2 passes through (-1,19) and (8,-71).

It is required to find the slope of given lines and figure out whether they are perpendicular, parallel or neither.

To solve this question, first find the slope of both lines. Check if their product is equal to -1, then they are perpendicular. If the slopes are equal the lines are parallel

Step 1 of 2

Find the slope of first line.

$\begin{aligned}&m_{1}=\frac{-24-6}{3-0} \\&m_{1}=\frac{-30}{3} \\&m_{1}=-10\end{aligned}$

Step 2 of 2

Find the slope of first line.

$\begin{aligned}&m_{2}=\frac{-71-19}{8-(-1)} \\&m_{2}=\frac{-90}{9} \\&m_{2}=-10\end{aligned}$

Since, both slopes are equal.

Therefore, the lines are parallel.

6 0

2 years ago