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Lesechka [4]
3 years ago
13

What is 1/4 of a 100 yard by 60 yard field

Mathematics
1 answer:
Tema [17]3 years ago
8 0
Ok, im not going to answer it, but I'm gonna tell you what you need to do to get the answer, first, multiply 100 with 60, then take a quarter out, this is a very simple way to do it, and most people just overthink things.
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If (x/100-1)(x/100+1)=kx^2-1 k=
Artist 52 [7]
(x/100-1)(x/100+1)=kx^2-1
(x/100-1)(x/100+1)=(x/100)^2 - 1^2 because it's a difference of squares ( (a-b)(a+b) = a^2-ab+ab-b^2 = a^2 - b^2):
(x/100)^2 - 1^2=kx^2 - 1
(x/100)^2 - 1=kx^2 - 1
(x/100)^2=kx^2
(x^2)/(100^2)=kx^2
1/(100^2)=k
1/10000=k
k=0.0001
3 0
3 years ago
Write an expression to represent the perimeter of the figure.
r-ruslan [8.4K]

Answer:

5x + 2y + z

Step-by-step explanation:

The perimeter of a polygon is the sum of the lengths of all the sides of the polygon. This polygons has 8 sides. Their lengths are:

x, x, x, x, x, y, y, z

The perimeter of the polygon is the sum of the lengths shown above.

perimeter = x + x + x + x + x + y + y + z

The expression above can be simplified by combining like terms.

perimeter = 5x + 2y + z

4 0
3 years ago
I need help on number 15
garri49 [273]
Okay, you now a triangle has 180º degrees and to add to 180º, you have to add all the numbers you have like this:
2x+x+90 (the box is 90º)=180º; add like terms like 2x+x
3x+90=180; cancel 90 by subtracting it and also subtract 90 from 180
3x=90;divide 3 to isolate x and also divide 90/3
x=30 :)
3 0
3 years ago
Choose the ratio that you would use to convert 2.5 centimeters to meters
Diano4ka-milaya [45]


2.5/100/100

2.5/100=1/1

2.5 cm =0.025m

6 0
3 years ago
A one-sided hypothesis test is to be performed with a significance level of 0.05. Suppose that the null hypothesis is false. If
vova2212 [387]

Answer:

E) The probability of a Type II error would increase and the power of the test would decrease.

3 0
2 years ago
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