MATHEMATICS MIDDLE SCHOOL

What is the constant of proportionality in the equation y=5/4 x

Answers

Answer 1
Answer: The constant of proportionality is 5/4 because it is coefficient of y=mx+b.
Answer 2
Answer:

Answer:

it is 5/4

Step-by-step explanation:

if you add 5/4 but minus it you will see it stays the same

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A typical stone on the lowest level of the great pyramid in Egypt was a rectangular prism 5 feet long by 5 feet high by 6 feet deep and weighed 15 tons what was the volume of the average stone how much did one cubic foot of this stone weigh

Answers

To find the volume, you need to do length times width times height
SO you have to do 5 times 5 times 6
The volume is 150 cubic feet
Since 150 cubic feet of this rectangular prism is 15 tons
you can do 15 divided by 150
so one cubic feet of this stone sculpture weight 0.1 tons
Btw, a pyramid is  a triangular structure, not rectangular

Help me please help me helpm

Answers

Answer:

g(x) = {(x + 9)}^(2)

What are two forms for 50,000+3,000+700+5

Answers

53,705 and Idk the other one but I will come back to you on this

A 20-foot ladder is leaning on abuilding. The bottom of the
ladder is on the ground at a
distance of 12 feet from the
base of the building. The base of
the building and the ground
form a right angle as shown. Find
the distance between the ground
and the top of the ladder, x, in
feet.

Answers

Answer:

From the bottom of the building to the top of the ladder, it is 16 feet.

Step-by-step explanation:

Depending on what grade you are in, you might know the Pythagorean theorem, whose equation is a^2+b^2=C^2 The measurement of the leaning ladder (20ft) is the hypotenuse of the right triangle, the distance from the bottom of the ladder to the building is the leg length (12ft). With this information we know the "c" of the equation, and the "b" or "a" of the equation. If we plug in the number for the letter the equation will look like this:  

12^2+b=20^2. 20 to the second power is 400, and 12 to the second power is 144. You can use the subtraction property of equality and get b^2=256. Use can use a calculator for this part. The square root of 256 is 16, which leaves the equation with b=16

In a group of 48 children there are twice as many boys than girls how many girls are there

Answers

let x be the number of girls
let 2x be the number of boys
given that There are 48 children.

x+2x=48x=48/3x=16
therefore there are 16 girls in the group...
If you take 48 divied by 3 you get 16 and 16+16 =32 guys
32+16=48
16 girls

If a triangle with angle measures 40,30.and 120 centimeters possible?

Answers

no, the longest side must be less than the sum of the smaller sides or else they won't connect (try it yourself with straw or something)

40+30>120
70>120
false, therfor they canonot be a triangle
Not possible, because the 2 numbers (40 and 30), when added, are not greater than 120.
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