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777dan777 [17]
3 years ago
8

Sasha noticed that the graph of the sales of yearbooks represented a proportional relationship. How could she have calculated th

e constant of proportionality by looking at the graph
Mathematics
2 answers:
Usimov [2.4K]3 years ago
6 0
To find the constant of proportionality<span> here let's look at the </span>equation<span> of a line for a straight graph that passes through the origin. y is your vertical y-value for any given point on the line, x is your horizontal x-value for any given point on the line, and m is the slope.</span>
Crank3 years ago
4 0

Answer:

she could divide any y-value by its corresponding x-value

Step-by-step explanation:

you're welcome :)

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Johnny is 52 inches tall . max is 65 inches tall. What percent of Johnny height is max
Natali5045456 [20]
65÷52=1.25
To change it to a percentage, multiply it by a 100
1.25×100%=125%
125% is the answer.
4 0
3 years ago
How much do you have to add to 1,750 m to get 4 m?
Katen [24]

-1746

well, 1750>4, so you'd have to add a negative number.

1750+(-1746)=4.

3 0
3 years ago
p is a polynomial of degree 5. p has roots of multiplicity 2 at t=4 and t=0, a root of multiplicity 1 at t=-4, and p(1)=2025. Fi
DENIUS [597]
P(x) = (x^2)(x - 4)^2(x + 4) + some constant(b)
2025 = (1^2)(1 - 4)^2(1 + 4) + b
2025 = 45 + b
b = 1980

Complete Equation:

p(x) = (x^2)(x - 4)^2(x +4) + 1980

or expanded form

p(x) = x^5 - 4x^4 - 16x^3 + 64x^2 + 1980
5 0
3 years ago
To estimate the height of a mountain, two students find the angle of elevation from a point (at ground level) b = 800 meters fro
Nady [450]

Answer: The height of the mountain is 1,331.4 meters (approximately)

Step-by-step explanation: From the information given, the students were standing at point b which is 800 meters from the base of the mountain and the angle of elevation from that point is 59°. Assuming that the ground is level, we can derive a right angled triangle from this set of details and hence we have triangle ABC, where angle β is the reference angle, (59 degrees), BC is the distance from the students to the base of the mountain (800 meters) and the line AC is the height of the mountain.

The line AC is the opposite, since angle B is the reference angle, therefore we shall use the trigonometric ratio as follows;

Tan β = opposite/adjacent

Tan 59 = AC/800

Tan 59 x 800 = AC

1.6643 x 800 = AC

1331.44 = AC

AC ≈ 1331.4

Therefore the height of the mountain is approximately 1,331.4 meters

6 0
3 years ago
Read 2 more answers
Round the following as specified.<br> to the nearest thousandth
xenn [34]

Answer:

153.385

Step-by-step explanation:

After the dot it goes tenths,hundreds, then thousands

Image:

7 0
3 years ago
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