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goblinko [34]
3 years ago
11

Need help with algebra question ‼️

Mathematics
1 answer:
kupik [55]3 years ago
6 0

Answer:

c

Step-by-step explanation:

There are three types of variations.

1. Direct

2. Inverse

3. Joint

There is positive proportionality is two variables are positively related to each other.

The equation for direct proportionality =

y = bx

where y = dependent variable

b = constant

x = independent variable

if two variables vary inversely, there is a negative relationship between both variables. the increase in one variable leads to a decrease in the other variable

the equation that represents inverse proportion :

 where b = constant of proportionality

Joint variation occurs when the dependent variables value is determined by two or more values

For example, the volume of a cylinder is dependent on the value of the radius and height

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The heights (in cm) and arm spans (in cm) of 31 students were measured. The association between x(height) and y(arm span) is sho
abruzzese [7]

Answer:

27.385 cm longer would we expect Mike's arm span to be than George's.

Step-by-step explanation:

We have to find how many centimeters longer would we expect Mike's arm span to be than George's using the equation:

y= 4.5x + 0.977 x

where y= arm span

and x= height

Given:

Mike's height=x = 175 cm

so Mike's arm span= y= 4.5 x + 0.977 x

                                    = 4.5* (175) + 0.977* (175)

                                    = 787.5 + 170.975

                                    = 958.475 cm

George's height = x = 170 cm

so George's arm span= y= 4.5 x + 0.977 x

                                    = 4.5* (170) + 0.977* (170)

                                    = 765 + 166.09

                                    = 931.09 cm

Mike's arm span longer than George's = Mike's arm span - George's arm span

                                                                 = 958.475 - 931.09

                                                                 = 27.385 cm.

8 0
3 years ago
Quiz
Leto [7]

Answer:

1.  50⁴ + 2³ =6250008

2.  3³ x 4²= 432

Step-by-step explanation:

I just put it into the desmos scientific calculator. If your teacher lets you, it is a good calculator.

3 0
3 years ago
A triangle has sides with lengths of 6 inches, 8 inches is it a right triangle? ​
My name is Ann [436]

Answer:

Yes

Step-by-step explanation:

8²+6²=100

√100

=10

6 0
3 years ago
Bob and Caitlyn are playing a trading-card game. Between them, they have 81 cards. Bob has 7 fewer cards than Caitlyn.
Alina [70]
We know that Bob and Caitlyn are playing a trading-card game. Between them, they have 81 cards. <span>Bob has 7 fewer cards than Caitlyn. Since Bob has 7 cards fewer them Caitlyn we have to divide by 2 and subtract 7. 

81 / 2 = 40 [rounded] 

40 - 7 = cards Bob has 

= 33 cards bob has 


</span>
3 0
3 years ago
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Classify the model as exponential growth or exponential decay. Identify the growth or decay factor AND the percent of increase o
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See also brainly.com/question/8975313

The growth factor is 2.

The increase is (2 -1)*100% = 100% per period.
5 0
3 years ago
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