MATHEMATICS HIGH SCHOOL

Which is a valid velocity reading for an object?A. 45 m/s

B. 45 m/s north

C. 0m/s south

D. 0m/S

Answers

Answer 1
Answer: the answer is B. 45m/s north

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What is the area of a rectangle with side of length 4/5 foot and 1/2 foot.

Answers

you multiply 4/5 and 1/2 and you get 4/10 which is simplified to 0.4 
which equals..
0.4 feet^2 in area

What is the constant in the expression 8x-2y+48

Answers

48
It is the only number that isnt affected in any way

Find the mean of the following data set. 42, 45, 58, 63

Answers

The mean of the given data will be equal to 52.

What is mean?

Mean is defined as the ratio of the sum of the given data to the number of the counts of the data.

Given that:-

42, 45, 58, 63

The mean will be calculated as:-

Mean  =  Sum of the data sets  ÷   Number of the data sets

Mean  = ( 42 + 45 + 58 + 63 )   ÷   4

Mean  =  208  ÷  4

Mean  =  52

Therefore the mean of the given data will be equal to 52.

To know more about Mean follow

brainly.com/question/20118982

#SPJ2
To find the Mean you have to add all the numbers from the data set,
42+45+58+63=208
Next you divide the sum by the amount of numbers in the set,
208/4=52
Final Answer: 52

Rewrite the equation 4x + 4y = 20 in slope-intercept form.

Answers

Answer:

y=-x+5

Step-by-step explanation:

The equation of a line in the form:

  y=mx+c is called the slope intercept form of a line.

4x+4y=20

⇒  4y=-4x+20

on dividing by 4 on both sides,we get

y=(-4)/(4)* x+(20)/(4)

⇒ y=-x+5

Hence, the slope intercept form of 4x+4y=20 is:

    y= -x+5
 4x + 4y = 20
If I'm not mistakened, this is in it's standard form. 
Slope intercept form → y = mx + b

Let's transform this into that form. 
4x + 4y = 20
4y = -4x = 20
y = -x + 5 

The slope intercept form would be ⇒ y = -1x + 5 

A horseshoe weighs 8.2 ounces. The nails make up 0.2 of that weight. What is the weight of the horseshoe without the nails?

Answers

8.2=82/10

0.2=1/5

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

1/5*82/10=82/50

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

82/10-82/50

=820/100-164/100

=656/100

=6.56

Answer: 6.56 ounces
8.2 Ounces because it says a HORSESHOE Weighs.  They threw in the nails weight to throw you off.

a car wheel has a 14 inches radius. through what angle does the wheel turn when the car rolls forward 2 ft???? ...?

Answers

arc length = rad * angle2 ft = 14 inch * angle2*12 inch = 14 inch * angleangle = 24/14 inch = 12/7 radiansthis angle is in radianswe need to convert it into degress so for conversion, (12/7)*(180/pi)solve it and u get 1080/11 deg or 98.2 deg
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