MATHEMATICS HIGH SCHOOL

Identify the independent variable in this relationship. A person burns a total of c calories by walking m miles. calories, c
miles, m
neither c, calories or m, miles
both c, calories and m, miles

Answers

Answer 1
Answer: The independent variable is M,  Miles.
This is because you can walk however miles without any effect. But calories depends on how much you  walked.  Make sense?

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Pleaseeee help me with question 14, 16 and 20.
Simplify the expression. 5 ^ 0 A. 0b. 0.5c. 1d. 50

Compare the graphs of the inverse variations y=-0.2/x and y=-0.3/x. Provide at least 3 comparisons

Answers

- both are not defined for x = 0

- both have the same symmetry axis: y = x

- both are hyperbolas

- both have the same asymptotes: the y-axis, i.e. y = 0

- both have the same limits when x approaches 0 by the right and by the left: positive and negative infinity.

-  both have the same limits when x approaches + and - infinity: zero.

- they never touch one to each other
 

The sail of a boat is in the shape of a right triangle, as shown below:The sail of a boat is a right triangle with an acute angle at the tip equal to 50 degrees and the side of the sail which is the
Which expression shows the length, in meters, of the base of the sail? a. 7 cosec 50°
b. 7 divided by sec 50 degrees
c. 7 divided by cosec 50 degrees
d. 7 cot 50°

Answers

I think the correct answer among the choices given is option D. The base of the sail can be calculated using the expression 7 cot 50°. The cotangent function of an angle in a triangle is the adjacent side of the angle divided by the opposite side of the angle. From the given data, this is the best function to use.

Answer:

7 cot 50

Step-by-step explanation:

Please help me as soon as u can!!

Urgent


thankssss

Answers

Q2 Answer: Experimental = 60%, difference = 10%

Step-by-step explanation:

The prime numbers between 1 and 8 are: 2, 3, 5, and 7.

Theoretical: (4(prime))/(8(total)) = 50\%

Experimental: (12(prime))/(20(total)) = 60\%


    Experimental - Theoretical

=       60%            -      50%

=                     10%

Problem 1

To find the sample mean, we simply add up all the 40 items and then divide by 40

I will add up the values row by row, and then add up the subtotals to get the grand total

row1: 39+31+38+40+29 = 177

row2: 32+33+39+35+32 = 171

row3: 32+27+30+31+27 = 147

row4: 30+29+34+36+25 = 154

row5: 30+32+38+35+40 = 175

row6: 29+32+31+26+26 = 144

row7: 32+26+30+40+32 = 160

row8: 39+37+25+29+34 = 164

Add up the subtotals: 177+171+147+154+175+144+160+164 = 1292

Divide this over 40: 1292/40 = 32.2

So the sample mean is therefore 32.2

-----------------------

To find the proportion of defective items, we count the number of times a value less than 26 shows up. That happens exactly two times. The first in row 4 (at the end of this row) is where a 25 shows up. Another copy of 25 shows up in row 8 (bottom row). There are no other values that are less than 26.

Divide this count (2) over the total sample size (40) and we get 2/40 = 1/20 = 0.05

-----------------------

In summary, 32.2 will go in the first box while 0.05 will go in the second box.

========================================

Problem 2

There are 4 values we want (2,3,5,7) out of 8 total (1,2,3,4,5,6,7,8) so 4/8 = 0.50 = 50% is the theoretical probability

This is the list of values given to us (I broke it up to help make the numbers more readable)

3, 4, 5, 2, 7

1, 3, 7, 2, 6

2, 1, 7, 3, 6

1, 8, 3, 5, 6

Of that list, the primes {3, 5, 2, 7, 3, 7, 2, 2, 7, 3, 3, 5} show up. There are 12 primes in this list out of 20. So the experimental probability is 12/20 = 3/5 = 0.60 = 60%

Therefore, the answer that goes in the "experimental probability" box is 60. The answer that goes in the second box is not 50%. I think your teacher is aiming for "10" to go in the second box because 60% is 10 percentage points higher than 50% (which was the theoretical probability found earlier)

-----------------------

In summary, 60 will go in the first box while 10 will go in the second box.

Which operation should you do first 8 +3(7×4)-5÷2

Answers

Alsways do
 
P
E
M
D
A
S

do what in parenthesis first 
u should do what is in parentheses first because if u do PEMDAS, you do whatever u see first, and since theres parentheses, u do whats it inside of th 

(Other 6% ) (Wood Products 9% ) (25% Trade) (Manufacturing 19% ) (20% Services) (Gov't - Edu. 21%) (Total 949,200) How many people worked in Service jobs?A. 1,898.40
B. 18,984
C. 189,840
D. 1,898,400​

Answers

Answer:

I think C is your answer.

It's just a guess.

Step-by-step explanation:

Find the mode of these temperatures:a) 15°, 26°, 34°, 189, 15°
b) 78°, 62°, 85°, 57°, 68°
c) 80°, 68°, 75°, 80°, 78°

Answers

Answer:

a) 15°

b) No mode

c) 80°

Step-by-step explanation:

Mode:

The value/quantity that occurs most often is the mode of the data set.

Part a)

15°  (Occurs 2 times)

Part b)

No mode (Each value occurs equally i.e. 1 time)

Part c)

80° (Occurs 2 times)

\rule[225]{225}{2}

Hope this helped!

~AnonymousHelper1807

Answer:

The mode is no mode for the first and second but the third is 80

I am confused as to why there wasn't more than one of the same number for this problem

Remember that mode is the one that appears the most!

Step-by-step explanation:

A song that I learned in 4th grade by my teacher kinda helps with this lol:

Range is the maximum minus the minimum

The mode is the one that appears the most

The median is the one in the middle

Now you know about Data!

Just try and say that over and over or write it down somewhere lol

I hope this helps

plz mark B R A I N L I E S T
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