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olchik [2.2K]
3 years ago
8

4x - 5x + 9 = 5x - 9

Mathematics
1 answer:
Verizon [17]3 years ago
4 0

hi how you doing

BTW why do we have to click answer question to get to chat box

um hello?

how do you answer the thing

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On a large baking tray, 40 cookies can be baked together. To bake 40 cookies it takes 14 minutes, for baking 80 cookies it takes
zalisa [80]
The answer is B (56) because it states that it takes 14 minutes to bake 40 cookies, and you already have 100 cookies so you would just add the time it took to bake 40 cookies which would be 42+14=56
6 0
2 years ago
How do I solve -2(x+1)=-8x+1
mylen [45]
-2 (x+1)= -8x+1
-2x-2= -8x+1
+2x. +2x
-2= -6x+1
-1. -1
-3= -6x
÷-6
x=.5

X=0.5
4 0
3 years ago
Need help with this asap, please
Lilit [14]

Answer:

<h3>             Perimeter = 3√5 + 6 + √73 + √58 + 5√2</h3>

Step-by-step explanation:

AB=\sqrt{(6-0)^2+(5-8)^2}=\sqrt{36+9}=\sqrt{45}=3\sqrt5\\\\BC=|-1-5|=|-6|=6\\\\CD=\sqrt{(-2-6)^2+(-4-(-1))^2}=\sqrt{64+9}=\sqrt{73}\\\\DE=\sqrt{(-5-(-2))^2+(3-(-4))^2}=\sqrt{9+49}=\sqrt{58}\\\\EA=\sqrt{(0-(-5))^2+(8-3)^2}=\sqrt{25+25}=\sqrt{25\cdot2}=5\sqrt2

6 0
3 years ago
I will mark Brainiest (no links please)
Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

Are the volumes equal?      No, so throw out the first and the last one.

Is the volume of the pyramid greater than the volume of prism?  

                                            No, so throw out the third one

so by inspection it must be the remaining one

or mathematically

    vol pyramid = (1/3)(base)(height)

    vol prism     =  (base)(height)

 

              vol pyramid   /   vol prism      

           (1/3)(base)(height) / (base)(height)   = 1/3

6 0
3 years ago
On March 24, 1989, the Exxon Valdez oil tanker ran aground and leaked millions of gallons of oil into Prince William Sound. The
Maslowich

Answer:

Given the value of pi (π) = 3.14

Given the speed of Radius = 0.10 mph

Given the total area = 11000 square miles.

To find = the time.

Step-by-step explanation:

Since the oil spill in the ocean and spread in a circular pattern. So the total the spilled area = 11000 square miles.

The speed of the radius at which is increase = 0.10 mph

Given the value of pi (π)  = 3.14

Now we have to find the total hours consumed to cover the area or the spilled over the area.

First, find the radius and this radius will be the distance. Then divide the distance with speed to find the time taken.

Area  = 2 π r^2

11000 = 2 ×3.14 × r^2

r = 41.85 m

Now find the time.

Time taken to spill the oil =  41.85 / 0.10 = 418.52 hours

8 0
3 years ago
Read 2 more answers
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