MATHEMATICS HIGH SCHOOL

Write the number 3 2/5 in a/b form

Answers

Answer 1
Answer:

Answer:

Step-by-step explanation:

16/5

5*3=15+1=16

16/5

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Suppose 6 is a factor of ab, where a and b are natural numbers. Make a valid argument to explain why each assertion is true or provide a counterexample to show that an assertion is falsea. 6 must be a factor of a or of b b. 3 must be a factor of a or of b c. 3 must be a factor of a and of b please help and show work
CAN SOMEONE PLEASE HELP ME ASAP ILL MARK BRAINLIST!!!!!
PLEASE ANSWER ASAP! YOUR ANSWER MUST INCLUDE AN EXPLANATION ON ORDER TO RECEIVE POINTS AND THE BRAINLIEST ANSWER! THANKS!!!
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What is the median score? A. 85 B.87 C.89 D.9179,82,85,91,97,73,88,87,85,92,90,85,86,91,94,85,92

Answers

B. 87 because the median is when you rank the all the numbers smallest to biggest, and the number in the middle is the median
B. 87 because the median is the middle number when a group of numbers is order least-greatest hope that helped!

Find The Midpoint of the coordinate system P( -4 , 4 ) and (4,8)

Answers

Answer:

Step-by-step explanation:

(-4+4)/2 = 0/2 = 0

(4+8)/2 =12/2= 6

(0, 6)

This table represents the boiling point of water at different altitudes. Which equation represents water's boiling point (y) based on the change in altitude (x)? Altitude (thousands of feet) Boiling Point of Water (Fahrenheit) (sea level) 0 212 0.5 211.1 1.0 210 2.0 208.4 2.5 207.5 3.0 206.6 4.0 204.8 4.5 203.9

Answers

Answer:

The required equation is y=-1.8x+212.

Step-by-step explanation:

We are given,

The table showing the boiling points of water at different altitudes.

We will find the slope of the equation using m=(y_(2)-y_(1))/(x_(2)-x_(1)).

Taking points (0,212) and (0.5,211.1) and substituting in the formula,

Slope is m=(211.1-212)/(0.5-0)

i.e. Slope is m=(-0.9)/(0.5)

i.e. Slope is -1.8

Substituting slope and the point (0,212) in the equation y=mx+b, we will find the value of y-intercept 'b'.

That is, 212=-1.8* 0+b i.e. b= 212

Thus, the required equation isy=-1.8x+212.

Jill bought a lamp for $40. She sold it at a garage sale for $12. What was the approximate decrease?

Answers

Answer:

she was left with 28$ I'm in high school i think I'm right

Step-by-step explanation:

Solve the linear equation: x + 3 + x - 8 + x = 55

Answers

x+3+x-8+x=55 \nx+x+x+3-8=55 \n3x-5=55 \n3x=55+5 \n3x=60 \nx=60 / 3 \nx=20

a 75 inch boars is cut into 2 pieces one piece is 4 times the length of the other find the lengths of the 2 pieces the short piece is _inches long

Answers

Length of the long piece = 4 times the length of the short piece
Length of the short piece = 1 times the length of the short piece.
Total length of both pieces = (4 + 1) = 5 times the length of the short piece.

5 times the length of the short piece = 75 inches

The length of the short piece =75 / 5 = 15 inches

Length of the long piece = 4 times the length of the short piece = 60 inches

Check: 15 + 60 = 75 inches
yay
The shorter piece is 15 inches, and the longer piece is 60 inches.
This would be a system of equations problem. If x is the shorter piece and y is the longer piece, then your two equations would be:
x + y = 75
y = 4x
Since the second equation tells you what y is, you can substitute the y in the first equation with 4x to get the equation x + 4x = 75. x + 4x is 5x, so you'll have 5x = 75. To get x by itself, divide off the 5 on both sides. 75 ÷ 5 = 15, so x = 15. The shorter piece would be 15 inches long.
Now that you know x, go to the second equation and plug it in: y = 4·15. 4·15 is 60, so that makes the longer piece 60 inches long.
Sorry if this was confusing; I'm really bad at giving written directions :/
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