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loris [4]
3 years ago
12

What is the percent decrease between 3 to one half

Mathematics
1 answer:
m_a_m_a [10]3 years ago
5 0
((3-.5)/.5) x 100
that will give you your answer
You might be interested in
A student has four sticks of wood that measures 3 inches, 4 inches, 5 inches, and 6 inches.Can the student use any three of thes
saw5 [17]

Answer:

Yes, the student can use three of these sticks to make a right triangle.

Step-by-step explanation:

The measure of four sticks = 3 inches, 4 inches, 5 inches and 6 inches.

Now, in a right angled triangle, by PYTHAGORAS THEOREM the three sides of the triangle base, perpendicular and  hypotenuse are in the  given following relation :

(Base)^{2}  + (Perpendicular)^{2}   = (Hypotenuse)^{2}

Now, here among all four sticks

(3)^{2}  +(4)^{2}   = 9 + 16  = 25

and 25 = (5)^{2}

So, there exists three sticks of length 3 in, 4 in and 5 inches which satisft Pythagoras Theorem , such that:

(3)^{2}  + (4)^{2}   = (5)^{2}

So, the required length sticks are 3 inches, 4 inches and 5 inches.

Hence, the student use three of these sticks to make a right triangle.

5 0
3 years ago
What is the square root of 64 over 225 with a negative outside of the radical?
irinina [24]
The square root of  (64/225)  is the same as  √64 / √225 . 
That could make the whole thing easier.

Do you know what either of those separate square roots is ?

You're right !    I'm so impressed!
The square root of  64  IS  8, and the square root of  225 surely is  15 .
You really know your stuff !

So now, the expression is  √64 / √225  =  <em>8 / 15</em> .

Oh, I almost forgot, it has a negative sign before it.  OK,so the answer is <em>- 8/15</em> .

5 0
3 years ago
I need help its for 7th grade math​
Oliga [24]

Answer:

4:20

Step-by-step explanation:

because there are 20 teachers in all and 4 science teachers so your chances of getting a science teacher are 4 out of 20

5 0
3 years ago
Sandra is driving from Houston, Texas to Birmingham, Alabama. The distance between the two cities is 675 miles.
Pavel [41]

Answer:

125 miles

Step-by-step explanation:

1) 675-425 = 250

2) 250/2 = 125

3) 125 miles before she needs to stop

5 0
3 years ago
the following histogram shows the number of days during the school year that students bought lunch. How many total students are
olga2289 [7]
You have to post a picture of the actually histogram we can’t see it
5 0
2 years ago
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