3 years ago

Name two red lines in the diagram that appear to be perpendicular

Mathematics

1 answer:

Crank3 years ago

5 0

It would be B PQ and SR

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Which system of equations is equivalent to the system of equations shown?

Ivanshal [37]

I can solve for x and y
A) 2x - 4y = 12
A) 2x = 4y + 12
A) x = 2y + 6
Substituting into B
B) 3* (2y +6) - 5y = 20
B) 6y + 18 -5y = 20
B) y = 2
B) x = 10

4 0

3 years ago

What is the graph of the inequality 3x+2y>-5

Doss [256]

Answer:

The graph with solution is shown below.

Step-by-step explanation:

We need to find the $x-intercept$ and $y-intercept$ for given equation.

For $x-intercept$ , substitute $y=0$

Considering inequality sign as equality and simplifying,

$3x+2y=-5\\3x+0=-5\\x=-\frac{5}{3}$ , point is $(-\frac{5}{3} ,0)$

Similarly,

For $y-intercept$ , substitute $x=0$

We get,

$3x+2y=-5\\0+2y=-5\\y=-5/2$ , point is $(0,-\frac{5}{2})$

We locate this two points on the graph now and join them.

The joining line will be dotted as the inequality has just 'greater than' symbol. The region above the dotted line is the solution to graph.

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3 years ago

10. If x = -2, y=-6 and z= 4, find the value of 4xy Z

Grace [21]

Answer:

192

Step-by-step explanation:

Given

4xyz ← substitute given values into expression

= 4 × - 2 × - 6 × 4 = - 8 × - 24 = 192

5 0

3 years ago

Find the measure of an angle between 0 and 360 coterminal with -323

Roman55 [17]

I hope this helps
372° - 360° = 12°

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3 years ago

Elijah bought a chest of drawers originally priced at $50.40 but on sale for 40% off. After 6.25% sales tax, what was the total

wolverine [178]

Answer: 96.9

Step-by-step explanation:

666

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3 years ago

Read 2 more answers