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Pie
4 years ago
13

Which inequality represents the graph shown?

Mathematics
1 answer:
Rina8888 [55]4 years ago
6 0

Answer:

y<= 2/5 x -8

Step-by-step explanation:

When we are dealing with inequalities we have to keep in mind that the graph are regions and not figures (like lines)

The region has orientation and it is given by the sign used, if it is above something, it means the > sign, otherwise the < sign.

Now, we have a line and the region is below, so there is a < sign involved, other thing to keep in mind is that the figure can be contained in the region if is graphed using a solid line, so there is the = sign involved

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The length,AB of the rectangular lot is 1 foot less than two times its width, BC. If the perimeter of the rectangular lot 394 fe
r-ruslan [8.4K]

Answer:

AB=131\ ft

Step-by-step explanation:

we know that

The perimeter of the rectangular lot is

P=2(AB+BC) ----> equation A

where

AB is the length

BC is the width

we have

AB=2BC-1 ---> equation B

P=394\ ft ----> equation C

substitute equation B and equation C in equation A

394=2(2BC-1+BC)

solve for BC

394=2(3BC-1)

394=6BC-2

6BC=396

BC=66\ ft

<em>Find the value of AB</em>

AB=2BC-1

AB=2(66)-1

AB=131\ ft

6 0
3 years ago
HELP ME PLEASE Find the slope of the line and write it as a rate of change.
Eduardwww [97]

Answer:

1

Step-by-step explanation:

6 0
3 years ago
What is the value of y in the solution to the system of equations? x + y = 1 2x – 3y = –30
Sauron [17]
X + y = 1.....multiply by -2
2x - 3y = -30
-----------------
-2x - 2y = -2 (result of multiplying by -2)
2x - 3y = -30
----------------add
-5y = -32
y = -32/-5
y = 32/5 or 6.4 <===

7 0
4 years ago
Read 2 more answers
1•(-1)•1•(-1)-1<br> Please help!!
DochEvi [55]
Step by step, we have:
1 • (-1)= -1
Then -1 • 1 = -1 and -1 • (-1)= 1 =》 1 - 1 = 0
The answers is 0
8 0
3 years ago
Read 2 more answers
Help me to solve this question​
Lynna [10]

Answer:

\left \{ {{\theta_1=\frac{\pi }{4} } \atop {\theta_2=\frac{3\pi }{4} }} \right. .

Step-by-step explanation:

2*cos^2\theta-1=0\ \ \ \ (0^0\leq \theta\leq 360^0)\ \ \ \ \ \theta=?\\2*cos^2\theta-(sin^2\theta+cos^2\theta)=0\\2*cos^2\theta-sin^2\theta-cos^2\theta=0\\cos^2\theta-sin^2\theta=0\\cos2\theta=0\\0^0\leq \theta\leq 360^0\ \ \ \ \Rightarrow\\\left \{ {{2\theta=\frac{\pi }{2}\ |:2 } \atop {2\theta=\frac{3\pi }{2}\ |:2 }} \right. \ \ \ \ \left \{ {{\theta_1=\frac{\pi }{4} } \atop {\theta_2=\frac{3\pi }{4} }} \right. .

Good luck and have a nice day!

7 0
2 years ago
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