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scoray [572]
2 years ago
6

Sabrina wants to paint the walls and ceiling

Mathematics
2 answers:
babymother [125]2 years ago
5 0
What is the question?
olga55 [171]2 years ago
5 0

Answer:

i dont see a question to answer here??

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Small squares with sides 4 cm were cut from each of the corners of a square piece of cardboard. then it was folded into an open-
DENIUS [597]
Suppose the length of the card board was x cm by x cm
After squares of 4cm was cut from the corner, the dimension for the box will be:
length=(x-8) cm
width=(x-8) cm
height=4 cm
thus the volume will be:
V=length*width*height
V=4×(x-8)×(x-8)=144
x²-16x+64=36
this can be simplified to form a quadratic equation given by:
x²-16x+28=0
solving the quadratic equation we get:
x=2 or x=14
Thus we conclude that the original dimensions was:
length=14 cm ; width=14 cm
7 0
3 years ago
Multiplying a number by 4/5 then dividing by 2/5 is the same as multiplying by what number?
Verizon [17]
Would it be 33/10? If you are multiplying and then division you would use the inverse of the divided fraction and multiply. So you could invert 2/5 to 5/2 and add to 4/5. After finding the common denominator it would be adding 8/10 + 25/10 = 33/10.
5 0
3 years ago
Simplify the following expression.
34kurt

Answer:

A. 33x + 92y

Step-by-step explanation:

Set up the problem like this and combine like terms:

    40x + 58y

   - 7x  + 34y

--------------------

    33x + 92y

Or, set up the problem like this and combine like terms:

(40x + 58y) + (-7x + 34y)

40x + 58y - 7x + 34y

40x - 7x + 58y + 34y

33x + 92y

You should get the same answer with either method.

3 0
3 years ago
Read 2 more answers
Find two consecutive whole numbers that √45 falls between.
Hoochie [10]
It would fall between 6 and 7.
7 0
3 years ago
A star-patterned quilt has a star with the angles shown. What is the value of X? The diagram is not to scale.
hodyreva [135]
I want to say 81°

Here's how I found that:

The angle 105° is on a straight line showing the outer obtuse angle. A straight line is 180°.
180-105=75.
Therefore that inner angle of the 105° is 75°.

We are also given the top angle of 24°.

All 3 angles of a triangle should add up to 180. So, we get the 75+24=99
180-99=81

Last angle should be 81°
5 0
3 years ago
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