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olganol [36]
3 years ago
10

I need to finish these so I don't fail, help me out

Mathematics
1 answer:
Dima020 [189]3 years ago
4 0

Answer:

y < -2x - 4

Step-by-step explanation:

This is a guessing game. You just have to plug and chugg to find your answer.

Look at the table they gave you and plug in the x and y value into the given equations and see if they're true or not.

For example, I used the point x=-2 and y=1 from the table.

I plug that into y < -2x - 4 and got a false statement:

y < -2x - 4

(1) < -2(-2) - 4

1 < 4 - 4

1 < 0

this is false because one cannot be less than zero. Therefore this equation is the wrong one.

If you tried to plug in x=-2 and y=1 into the other 3 equations you'll see that they'll be correct.

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a cold front came in today and the temperature dropped 30 degrees. Write an algebraic expression to explain the new temperature.
Komok [63]

Answer:

The algebraic equation describing the above

X+y= x-30

Step-by-step explanation:

The initial temperature of the environment= x degrees

Temperature of the front= y degrees

the environment dropped 30 degrees, means loosed 30 degrees.

The final temperature f the environment= x-30

The algebraic equation describing the above

X+y= x-30

6 0
3 years ago
For the function v(t) = 10(1-4^t)show why v(0)=0
IgorLugansk [536]
4^0=1
1-1=0
10*0=0
since when something is brought to the power of 0, it equals 1. Then when put into the equation the brackets = 0 therefore the whole equation equals 0 
5 0
4 years ago
Which expression shows the result of applying the distributive property to 12(5y+4)?
7nadin3 [17]

Answer:

60y+48

Step-by-step explanation:

8 0
3 years ago
Find the volume of a hexagonal prism whose base area is 15 yd² and whose height is 10 yd.
stiks02 [169]

Answer:

Volume = 150 cubic yards

Step-by-step explanation:

The basic formula for volume is:

Volume = area of base * height

The image of hexagonal prism is shown attached.

If the base is in different shape, we can use different formula (for that shape the base is in) and find area of base.

But, this problem explicitly gives

Area of Base = 15

Height = 10

We simply substitute in volume formula to find the volume. Shown below:

Volume = Area of Base * Height

Volume = 15 * 10

<u>Volume = 150 cubic yards</u>

3 0
4 years ago
Which will have a greater effect on the volume of the prism: doubling the height or doubling the width? Explain your reasons.
statuscvo [17]
Doubling the width has a greater effect on volume.
The volume of a prism is calculated by this formula:
<span>Prism Volume = Area of Base • Height
The </span><span>Area of the Base </span>is calculated by this formula:
area = n * side² / (4*tan(180 / # of sides)

So, we see that doubling the width (the side length) will increase the volume by 4 whereas doubling the height only doubles the volume.
 

7 0
3 years ago
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