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MrMuchimi
3 years ago
10

A linear function has the same y-intercept as x + 4y = 20 and its graph contains the point (3, 6). Find the slope of the linear

function.
Mathematics
1 answer:
vitfil [10]3 years ago
5 0

Answer:

1/3 is the slope.

Step-by-step explanation:

First, we need to find the y-intercept of x + 4y = 20.

x + 4y = 20

Subtract x from both sides.

4y = -x + 20

Divide both sides by 4.

y = -1/4x + 5

Input 0 as x to find the y-intercept.

y = -1/4(0) + 5

Simplify.

y = 5


Now we know the y-intercept is (0,5). Now we need to include to find a slope that contains (0,5) and (3,6). We can use the slope formula:

\frac{y_{2}-y_{1}}{x_{2}-x_1}}

(5 - 6)/(0 - 3) = m

-1/-3 = m

Simplify.

1/3 = m

1/3 is the slope.

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saveliy_v [14]

Answer:

A and D

Step-by-step explanation:

Total ice cream bars sold = sum of chocolate sold , vanilla and strawberry ice-creams sold.

=(1/2)x2 + (6/11)x + 8 + (5/9)x2 + (2/3) +(1/3)x2 + 4x +(4/3) (Given in the question)

=(25/18)x2 + (50/11)x + 10 (Adding terms corresponding to x2,x ,constant respectively)

Difference in chocolate and strawberry bars =[ (1/2)x2 + (6/11)x + 8] - [(1/3)x2 + 4x +(4/3)]

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So, the correct options are A and D

4 0
3 years ago
A jar contains 37 marbles of which 13 marbles are blue 10 red and rest are green. what is the ratio of green marbles to red marb
jeka94
37=blue+red+green
37-red-blue=green
37-13=10=green
14=green

green:red=
14:10=
7:5
5 0
2 years ago
Read 2 more answers
What is the mean number of hours worked that week?
Veseljchak [2.6K]

Answer:

well how menny hours per day?

Step-by-step explanation:

Mean is the middle

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Mode is most often.

4 0
3 years ago
(URGENT) Madelina wants to make a prediction using a linear model with a correlation coefficient of 0.55.
alekssr [168]

Answer:

<h2>Her prediction will be somewhat likely to be close to the actual value.</h2>

Step-by-step explanation:

A correlation coefficient of 0.55 implies a weak positive correlation, because it's close to 0.50. Remember that strong correlations are 1 or -1, positive or negative, and the middle of the interval represents no correlation.

Having said that, 0.55 indicates some correlation, but weak. Therefore, the right answer is C.

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2 years ago
Find the zeros of the function.
Slav-nsk [51]

Answer:

see explanation

Step-by-step explanation:

To find the zeros equate g(x) to zero, that is

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Equate each factor to zero and solve for x

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3x = - 3 ( divide both sides by 3 )

x = - 1

Hence

smaller x = - 1

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8 0
3 years ago
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