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expeople1 [14]
3 years ago
6

Write an inequality to represent the graph. a solid line passing through points 0 comma negative 7 and 3 comma negative 5 with s

hading above the line
Mathematics
1 answer:
lesantik [10]3 years ago
4 0

Answer:

y> \frac{2x}{3} -7

Step-by-step explanation:

The equation of the straight line passing through the points (0,-7) and (3,-5) will be \frac{y-(-7)}{-7-(-5)} =\frac{x-0}{0-3}

⇒ \frac{y+7}{2} =\frac{x}{3}

⇒y=\frac{2x}{3} -7 ......... (1).

Now, the inequality shades the upper portion of the straight line.

Therefore, the y value for the inequality will be more than y value for the equation corresponding to a fixed value of x.

Hence, the inequality equation will be y> \frac{2x}{3} -7. (Answer)

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What do the following two equations represent?
uysha [10]

Answer:

C)

Step-by-step explanation:

8 0
2 years ago
Bryce intended to swim directly across a stream that is 99 meters wide. But the current caused him to arrive at the opposite sho
Misha Larkins [42]

Answer:

101 meters

Step-by-step explanation:

The direct path across the stream and perpendicular to both sides of the stream is one leg of a right triangle. The 20 meter distance on the arriving side of the stream is another leg of the right triangle. The path he actually took is the hypotenuse of the right triangle.

leg 1 = 99 m

leg 2 = 20 m

hypotenuse = ?

We have a right triangle, and we know the lengths of the two legs. We need to find the length of the hypotenuse, so we can use the Pythagorean theorem.

a^2 + b^2 = c^2

99^2 + 20^2 = c^2

9801 + 400 = c^2

c^2 = 10201

c = sqrt(10201) = 101

Answer: 101 meters

6 0
3 years ago
A rectangular room is 5 meters longer than it is wide, and its perimeter is 26 meters. Find the dimension of the room.
amid [387]

Answer:

l=×+5

w=×

p=2(×+5+×)

=2(2×+5)

26=4×+10

26-10=4×

16=4×

×=4

length=5+4=9

width=4

4 0
2 years ago
Suppose we are interested in bidding on a piece of land and we know one other bidder is interested.1 The seller announced that t
Usimov [2.4K]

Answer:

0.4

Step-by-step explanation:

Given:-

- The uniform distribution parameters are as follows:

                      a = $10,000       b = $15,000

Find:-

Suppose you bid $12,000. What is the probability that your bid will be accepted?

Solution:-

- We will denote a random variable X that defines the bid placed being accepted. The variable X follows a uniform distribution with parameters [a,b].

                                 X ~ U(10,000 , 15,000)

- The probability of $12,000 bid being accepted can be determined by the cdf function of the uniform distribution, while the pmf is as follows:

                                Pmf = 1 / ( b - a )

                                Pmf = 1 / ( 15,000 - 10,000 )

                                Pmf = 1 / ( 5,000 )

                                cdf = \int\limits^x_a {\frac{1}{5000} } \, dy \\\\cdf =  {\frac{y}{5000} }\limits^x_a \\\\P(X

6 0
3 years ago
Solve each equation.<br>1. 9/2x+18+3x=11/2<br>2. (x+6)-(2x=7)-3x=-9
zzz [600]
1.\\\frac{9}{2}x+18+3x=\frac{11}{2}\ \ \ \ \ |Multiply\ by\ 2\\\\&#10;9x+36+6x=11\\\\&#10;15x+36=11\ \ \ |Subtract\ 36\\\\&#10;15x=-25\ \ \ |Divide\ by\ 15\\\\&#10;x=-1\frac{2}{5}\\\\&#10;2.\\&#10;(x+6)-(2x-7)-3x=-9\\\\&#10;x+6-2x+7-3x=-9\\\\&#10;-4x+13=-9\ \ \ |Subtract\ 13\\\\&#10;-4x=-22\ \ \ |Divide\ by\ -4\\\\&#10;x=5,5
3 0
3 years ago
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