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Alex_Xolod [135]
3 years ago
13

Ten of the 40 students in the 6th grade are wearing green today. That means that 10% of the students in sixth grade are wearing

green. Is this true or false
Mathematics
2 answers:
Irina-Kira [14]3 years ago
7 0

Answer: False.

10 out of 40 is 1/4. 1/4 is 25%.

For example, four 25 cents equals one dollar.

So, <u>10 out of 40 is 25%.</u>

kakasveta [241]3 years ago
6 0

Answer: The answer would be false.

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PLEASE HELP ASAP
melomori [17]

Answer:

the point where the graph crosses the y-axis.

Step-by-step explanation:

I took the quiz and this was the correct answer

3 0
3 years ago
Find the polynomial of lowest degree with only real coefficients and having the given zeros. -7i and square root of 2
mario62 [17]

Answer:

x³ - (√2)x² + 49x - 49√2

Step-by-step explanation:

If one root is -7i, another root must be 7i.  You can't just have one root with i.  The other roos is √2, so there are 3 roots.  

x = -7i       is one root,

   (x + 7i) = 0    is the factor

x = 7i       is one root

  (x - 7i) = 0     is the factor

x = √2      is one root

    (x - √2) = 0   is the factor

So the factors are...

(x + 7i)(x - 7i)(x - √2) = 0

Multiply these out to find the polynomial...

(x + 7i)(x - 7i) =  x² + 7i - 7i - 49i²

Which simplifies to

  x² - 49i²        since i² = -1 , we have

    x² - 49(-1)  

 

      x² + 49

Now we have...

(x² + 49)(x - √2) = 0

Now foil this out...

 x²(x) - x²(-√2) + 49(x) + 49(-√2) = 0

     x³ + (√2)x² + 49x - 49√2

7 0
3 years ago
A counterexample for sinytany=cosy is 0 degrees<br> true or false?
Talja [164]

Answer:

False

sin (y) / cos (y) = cos (y)

cos (y) could be any value from -1 to 1.

Step-by-step explanation:

7 0
3 years ago
How many equal slices are in a cake that are in a cake that is divided into quarters?
miskamm [114]
There are 4 equal slices because 25 to 25 to 25 to 25 =100
6 0
3 years ago
Read 2 more answers
The length of a rectangle is twice its width. The perimeter of the rectangle is 24 inches. Write a system of equations in 2 vari
kenny6666 [7]
Let us assume the width of the rectangle = w
Let us assume the length of the rectangle = l
Then
l = 2w
Also 
Perimeter of the rectangle = 2 (l + w)
24 = 2 (2w + w)
24 = 2 (3w)
24 = 6w
w = 24/6
    = 4 inches
Now 
The length of the rectangle = 2w
                                            = 2 * 4 inches
                                            = 8 inches
So the length of the rectangle is 8 inches and the width is 4 inches.
4 0
3 years ago
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