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2 years ago

Which inequality represents this sentence?

Mathematics

2 answers:

ycow [4]2 years ago

8 0

B is the answer I’m 100% sure of it

nekit [7.7K]2 years ago

5 0

Answer:

Step-by-step explanation:

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Y=-2x-21 determine the intercepts of the line (,) (,) ASAPPPP

Nesterboy [21]

Answer:

x intercept (10.5,0)

y intercept (0, -21)

Step-by-step explanation:

y=-2x-21

there are two intercept for a line

x intercept, the point of given equation of line which lies on x axis.

For x intercept corodinate of y is o

Thus, value x intercept is form (x,0)

putting these value in y=-2x-21, we find x intercept

0=-2x-21

2x = 21

x = 21/2 = 10.5

Thus, x intercept (10.5,0)

Y intercept, the point of given equation of line which lies on y axis.

For Y intercept coordinate of x is o

Thus, value y intercept is form (0,y)

putting these value in y=-2x-21, we find y intercept

y = -2*0 -21

y = -21

Thus, y intercept (0, -21)

5 0

3 years ago

When a cup of coffee at 100 degree Celsius cools down ,it loses 12%of its current temperature

polet [3.4K]

Answer:

Temperature after 10 minute = 27.9 degree Celsius

Step-by-step explanation:

Current temperature, P = 100 degree Celsius

% rate in temperature loses = 12% per minute = 0.12

Time, t = 10 minutes

Temperature after t minutes ,

$= P ( 1 - r )^t\\\\=100( 1 - 0.12)^10\\\\=100(0.278500976)\\\\=27.85$

= 27.9 degree Celsius

4 0

2 years ago

Solve the following equation for the variable given.

Korvikt [17]

9514 1404 393

Answer:

b = -2ax

Step-by-step explanation:

Multiply both sides of the equation by -2a.

x = -b/(2a)

(-2a)x = b(-2a)/(-2a) = b

b = -2ax

4 0

2 years ago

These Questions are confused me a lot help if you could I really appreciate it thank you

matrenka [14]

<h3><em><u>Answers With Steps:</u></em></h3><h3>Question 1:</h3>

For the first problem, understand that you are solving for the area of a circle. The equation for the area of a circle is pi r². By using the leash length as the radius (r), you can get the answer. (The leash length is 3 meters long.)

<em>Question 1 Steps:</em>

pi 3² ---> pi * 9 ---> ≈28.27

<em>Question 1 Answer:</em>

It would have about 28.27 meters² of playable space.

<h3>Question 2:</h3>

For the second problem, it would be much the same as to the first question. There is the same objective to find the area of the circle. Along with that, it gives us a length to work with. This time it is the sprinkler's reach, which would be the radius, or "r" in the equation.

<em>Question 2 Steps:</em>

pi 5² ---> pi * 25 ---> ≈78.54

<em>Question 2 Answer:</em>

The sprinkler would have about 78.54 feet² of space that it can reach.

4 0

3 years ago

HELP !!!!!!!!!!!!!!!!

sasho [114]

F(x)=(x+3)^2 +78 hope this helps!!

7 0

2 years ago