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IgorC [24]
3 years ago
15

In the drawing below, find x if ABCD is a square and angle B= 4x + 10.

Mathematics
1 answer:
iragen [17]3 years ago
6 0

Answer:

x=20

Step-by-step explanation:

4x +10 = 90

-10 from both sides

that gives you 4x=80

80 divided by 4 gives you 20=x

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What's the two numbers that round to the greatest place value have an estimated sum of 11000 and an estimated difference of 3000
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Which of the following expressions is equivalent to 3 m ( m − 2 ) − ( m ^2 + 1 ) ?
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Suppose that F(x) = x^3 and G(X) = -3x^3. Which statement best compares the
Alik [6]

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D. The graph of G(x) is the graph of F(x) flipped over the y-axis and

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6 0
3 years ago
Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below.
agasfer [191]

Answer:

Class Boundary = 1 between the sixth and seventh classes.

Step-by-step explanation:

              Lengths (mm)                   Frequency

1.                  140 - 143                                  1

2.                 144 - 147                                 16

3.                 148 - 151                                 71

4.                 152 - 155                              108

5.                 156 - 159                               83

6.                 160 - 163                                18

7.                  164 - 167                                 3

The class boundary between two classes is the numerical value between the starting value of the higher class, which is 164 for the 7th class in this case, and the ending value of the class of the lower class, which is 163 for the 6th class in this case.

Therefore the class boundary between the sixth and seventh classes

= 164 - 163  = 1

Therefore Class Boundary = 1.

It can be seen that class boundary for the frequency distribution is 1.

If we take the difference between the lower limits of one class and the lower limit of the next class then we will get the class width value.

Therefore, Class width,

w = lower limit of second class - lower limit of first class

   = 144 - 140

   = 4

7 0
3 years ago
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