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lorasvet [3.4K]
3 years ago
9

Please help Fast INEQUATIONS

Mathematics
2 answers:
Over [174]3 years ago
6 0

Answer:

Step-by-step explanation:

a)-2x-10<-14

  -2x     <-14+10

        -2x< -4

  • Then divide both sides by -2.(REMEMBER:When you divide or multiply by  a minus number the sign will be changed)

 <em>     x>2</em>

The number line is on the attachment.(remember: when you draw the number line you should not colour the circle)

<em> </em>b)x+4/3 < or = to -1

   x+4/3 * 3 < or = to -1*3

   x+4-4 < or = to -3-4

<em>     x < or = to -7</em>

The number line is on the attachment.(remember: when you draw the number line you should colour the circle cause in here x is less than or equal to -7)

<em>Hope this helps you</em>

<em>If you have any questions just ask </em>

pav-90 [236]3 years ago
5 0
A) Answer: x>2
Step by Step: •-2x-10<-14
•-2x-10(+10)<-14(+10)
•-2x<-4 -divide each side by -2x
•x>2(since you divided by a negative, switch the sign)
b) Answer: x<-7
Step by Step: •x+4/3 < -1
•multiply each side by the denominator (3)
•x+4(-4)<-3(-4) subtract
•x<7
Here are the graphs!!

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What is the correct standard equation of a circle with center (5,-1) and radius 12
Charra [1.4K]

The equation for a circle is

(x-h)² + (y-k)² = r²

h = your given x

y = your given k

Let's plug everything in!

(x - 5) ² + (y - (-1)) ² = 12²

Your final equation is

(x - 5) ² + (y + 1) ² = 144

<em>Hope I helped! Comment or message me if you have any questions :) </em>

6 0
3 years ago
Help me with this question
Ivan

B is the answer because none of the others will be right and b is the one you should always do when to solve a rea word problem

8 0
3 years ago
A silo is a composite of a cylindrical tower with a cone for a roof. Find the volume of the silo if the
xxMikexx [17]

Answer:

5127079.21 cubic feet

Step-by-step explanation:

The silo is in the shape of a cylinder and a cone.

The volume of the silo will be the sum of the volumes of the cylinder and the cone.

Therefore, its volume is:

V = \pi r^2h + \frac{1}{3} \pi rH

where r = radius of cylinder and cone

h = height of cylinder

H = height of cone

The radius of the base is 120 feet, the height of the roof (cone) is 25 feet. The height of the entire silo is 130 feet. This means that the height of the cylinder is:

130 - 25 = 105 feet

Therefore, the volume of the silo is:

V = (\pi * 120^2 * 105) + (\frac{1}{3} * 120^2 * 25)\\\\V = 4750088.09 + 376991.12\\\\V = 5127079.21 ft^3

The volume of the silo is 5127079.21 cubic feet.

3 0
3 years ago
Cheri paid $6.50 for the bunch of grapes with the weight of 2.5 pounds. What is the price per pound?
kotegsom [21]
It would be $2.6 (or $2.60) per pound.
3 0
4 years ago
2X+15= -3x how do you work this equation​
Sphinxa [80]

Answer: x=-3

<u>Add 3x to both sides</u>

<u></u>2x+15+3x=-3x+3x\\5x+15=0<u></u>

<u></u>

<u>Subtract 15 from both sides</u>

<u></u>5x+15-15=0-15\\5x=-15<u></u>

<u></u>

<u>Divide both sides by 5</u>

<u></u>5x/5=-15/5\\x=-3<u></u>

8 0
4 years ago
Read 2 more answers
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