String A is 30cm longer than string B. String B is 60cm longer than than string C. The total length of all 3 strings is 3m. Find the length of string C?

Answers

Answer 1

Answer: String A is 140, String B is 110, String C is 50

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think of a number. double the number, subtract 6 from the result and divide answer by 2. the quotient will be 20. what is the number? show you solution pls.
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Medical researchers have determined that for exercise to be beneficial, a person’s desirable heart rate, R, in beats per minute, can be approximated by the formulasR=143-0.65a for womenR=165-0.75a for men,where a represents the person’s age. What would the desirable heart rate be for a 46 year old woman? a. 113 beats per minuteb. 172.9 beats per minutec. 143.7 beats per minuted. 63 beats per minute
The sum of two numbers is 17 and their different is 5. Find two answers

What can multiply to give you 80 but add up to give you 11

Answers

There are no real numbers that can do that job.

There's a pair of complex numbers that can do it.
They are

   5.5 + i4.97
and
   5.5 - i4.97 .

   ' i ' = the imaginary unit = √(-1)

What is the equation of the line that passes through the point(4,-7) and has a slope of -3?

Answers

Answer: y + 7 = -3(x-4)

Template Equation : y - y1 = m(x - x1)

y1 represents the y value in the coordinate (-7)
x1 represents x value in the coordinate (4)

M = slope

Thus y - (-7) = y + 7
Because negative times a negative is positive

Then you just put together to get the equation y + 7 = -3(x-4)

Hope this helps:)
Sorry if I made a typo or a mistake:)

Answer: y+7=-3(x-4) or y=-3x-5

So when you got a question like this, DONT USE SLOPE INTERCEPT FORM. Always use point slope form, which is y-y₁=m(x-x₁). Please refer to my work (the attached picture) for more in depth work.

Find an equation for the linear function which has y-intercept (0,−6) and x-intercept (11,0).

Answers

For this case we have an equation of the form:
y = mx + b
Where,
The slope of the line is:
m = (y2-y1) / (x2-x1)
m = (0 - (- 6)) / (11-0)
m = 6/11
The value of b is given by:
b = -6
Substituting values we have:
y = (6/11) x - 6
Answer:
An equation for the linear function is:
y = (6/11) x - 6

Three of the angles of a quadrilateral are 120 48 and 92 what is the size of the 4th angle

Answers

Answer:

Measure of fourth angle of quadrilateral is:

100

Step-by-step explanation:

We know that the sum of angles in a quadrilateral is 360°

Three of the angles of a quadrilateral are 120 48 and 92

we have to find the sum of the fourth angle of the quadrilateral

Let measure of fourth angle be x

120+48+92+x= 360

i.e. 260+x = 360

Subtracting both sides by 260, we get

x= 100

Hence, Measure of fourth angle of quadrilateral is:

100

You do 120+48+92=280All angles in a quadrilateral add up to 360, so 360-280=80The answer is 80HAVE FUN DOING MATHS!

The shop opens 10 new stores. Some are in California, andsome are in Nevada. There are 22 in California and 18 in Nevada

Answers

Answer:

If there are 10 new stores, how can there be 22 in California and 18 in nevada?

Step-by-step explanation:

22+18= 40? i am not sure what you have to add or do something

What does 50 tens equal

Answers

50*10 so it would equal 500

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I need help on number 5

In a group of 31 students, 7 study both Art and Biology.14 study Biology but not Art.7 study neither subject.Given that a randomly selected student studies Art, what is the probability the student studies Art and Biology?