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atroni [7]
2 years ago
12

amoni is painting a room. He used 2/3 of a gallon of paint to cover 1/4 of a wall. how much paint for the whole wall

Mathematics
1 answer:
sukhopar [10]2 years ago
5 0

Answer:

<u>8/3 or 2 2/3 gallons of paint</u>

Step-by-step explanation:

If 2/3 of paint covers 1/4 of the wall, you must multiply 2/3 by 4 to get 4/4 (the whole wall).

2/3 x 4 = 8/3 or 2 2/3

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Find the missing factor.<br> 200 x ____ = 600<br> A) 2<br> B) 3<br> C) 4<br> D) 5
kykrilka [37]

Answer:

B. 3

Step-by-step explanation:

we know 2x3 = 6 soo just add 2 zeros = 600

4 0
2 years ago
Read 2 more answers
The function f(t) = t2 + 6t − 20 represents a parabola.
NeX [460]

Answer:

Step-by-step explanation:

Part A:

To complete the square, we will do the first few steps all at once, since they are necessary but not complicated to follow all at once.  Set the function equal to 0 first, then move the constant over to the other side:

t^2+6t=20

The most important rule for completing the square is that the leading coefficient (the number on the t-squared term) is a positive 1.  Ours is, but if it wasn't it would need to be factored out.

Next, take half the linear term, square it, and add it to both sides.  Our linear term is 6.  Half of 6 is 3, and 3 squared is 9, so we add 9 to both sides:

t^2+6t+9=20+9

On the right is simple addition, but on the left side, during this process we created a perfect square binomial that will reflect the h coordinate of the vertex.  We will state that binomial and do the addition on the right both at the same time:

(t+3)^2=38

If you FOIL out the (t + 3)(t + 3) you will get back the polynomial t^2+6t+9

Now we can move the constant back over and set the polynomial back to equal f(t):

(t+3)^2-38=f(t)

From this we determine the vertex to sit at (-3, -38)

Part B:

Because this is a positive parabola that opens upwards, the function will have a minimum value (if it was negative and opened upside down, it would have a minimum value).  In other words, you know the vertex is a minimum because this is a positive parabola that opens upwards.

Part C:

The axis of symmetry is the line that cuts the parabola in half, creating 2 identical, mirror images.  Because this parabola opens upwards, a vertical line is required to cut it into 2 identical halves.  The vertical line has an equation " x = ".  In the case of a positive parabola that opens upwards, the line of symmetry, what x = , will ALWAYS be the number that is inside the parenthesis with the x.  Since the standard vertex form is

f(t)=(t-h)^2+k

our vertex can be rewritten as (t - (-3)).  Therefore, our axis of symmetry is

x = -3

4 0
3 years ago
Read 2 more answers
Use estimation to help you choose the correct answer.<br><br> 0.945 x 7.6 =
hoa [83]

Remark

The thing you must not do is write 7.182 as your answer. That is the exact answer found using a calculator.


What to do.

What you should do is multiply two rounded numbers together.

7.6 rounded is 8 roughly


0.945 is almost 1.


Your answer is 8*1 = 8 roughly. This skill is very handy when you are writing a test and you want to see if you've done the question correctly. It is easy to misplace a decimal or put in incorrect digits and this is a quick check on things like that.

7 0
3 years ago
Paragraph to write to my girl?????
diamong [38]

Answer:

You make me feel like I can do anything and I am so happy to be with you. Thank you for being the wonderful, amazing person that you are. You surprise me every day and you warm my heart every night. I am the person I am today because you've loved me and helped me, love.

4 0
3 years ago
SOLVE FOR X please help !!!!!!!!!!!
Julli [10]

think of it as half a circle which all equals up to 180 degrees

subtract 180 degrees with 62 degrees which 62 degrees is in the problem.

180-62=118 degrees

so your answer is C) 118 degrees

hope that helped you out:)

Please mark my answer brainiest

8 0
2 years ago
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