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bogdanovich [222]
3 years ago
11

Select all that justify the following statement. 2 • = 1

Mathematics
1 answer:
Dvinal [7]3 years ago
6 0
Try using negative numbers

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The equation 12.5(x + 20) = 460 describes Steve's exercise plan for the
lesya [120]
B 38.4 miles because it’s obvious I took the test trust me
7 0
3 years ago
An injection-molded part is likely to be obtained from any one of 8 cavities on a mold. Round your answers to three decimal plac
konstantin123 [22]

Answer:

(b) The probability is 0.375

(c) The probability is 0.750

Step-by-step explanation:

The probability is calculated as a division between the number of options that satisfy a condition and the total number of options.

For part (b), we have 8 cavities or options for obtain the part but we want to obtain the part from cavity 1, 2 or 3, so we have 3 options. Therefore, the probability is:

\frac{3}{8}  = 0.375

For part (c), We have 8 cavities or options for obtain the part and we want to obtain the part from any cavity except cavity 3 or 4, so we have 6 options. These options are cavity 1, cavity 2, cavity 5, cavity 6, cavity 7 and cavity 8. Then, the probability is:

\frac{6}{8} = 0.750

3 0
3 years ago
How to find range of stem and leaf chart
strojnjashka [21]

Answer:

The range is the difference between the smallest and largest number within the group of numbers. so simply lists your numbers in the stem and leaf plot from smallest to largest and then find your largest number in the set and your smallest number in the set and subtract the two. Then there you have it ! The range of the stem and leaf plot

Step-by-step explanation:

3 0
3 years ago
PLEASE HELP QUICKLY<br> What is the value of y
zepelin [54]

Answer:

y = 8 degrees

Step-by-step explanation:

128 + 7y - 4 = 180

7y - 4 = 52

7y + 56

y = 8

7 0
3 years ago
Which is a solution for the equation y = 4x + 3?
yanalaym [24]
Point are set up (x,y) you sub the number for x into the equation and see if you get the number for y.
y=4x+3
y=4 (5)+3
y=20+3
y=23
so A isn't the answer

y=4 (17)+3
y=68+3
y=71
B isn't the answer

y=4 (4)+3
y=16+3
y=19
and because 4 is the x value for c and d and there can only be 1 y value for each x you're answer is C because when x=4 y =19 or (4,19)
3 0
3 years ago
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