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Anestetic [448]
3 years ago
8

What is the constant of proportionality in the proportional relationship y= 4/5x ?

Mathematics
2 answers:
Lady bird [3.3K]3 years ago
7 0

Answer:

the snserw should be -3 or -5

Step-by-step explanation:

SCORPION-xisa [38]3 years ago
3 0

Answer:

  • 4/5

Step-by-step explanation:

<u>Proportional relationship is:</u>

  • y = kx, where k is the constant of proportionality

<u>We have:</u>

  • y = 4/5x

So the value of k is 4/5

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Two different expressions that are both equivalent to 2^10
lana66690 [7]

Answer:

16*64=1024    4*256

Step-by-step explanation:

6 0
3 years ago
What is the total area of the surfaces of both tables?
Anastasy [175]
There are two equal tables.
We need to add bases and multiply that by the height divided by two.
7+3=10•1=10
Now multiply that by two since there are two tables.
10•2=20

So, the tables area are 20 feet squared.
7 0
3 years ago
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A mother gives birth to a 9 pound baby. Every 3 months, the baby gains 5 pounds. If x is the age of the baby in months, then y i
poizon [28]
Y=5/3x+9 is the answer
8 0
3 years ago
What is the answer to x/5+6=36
Lapatulllka [165]
Okay, So We Need To First Look At This:
x/5 + 6 = 36.
So, We Need To Solve.
First, Subtract 6.
x/5 = 36 - 6
36 - 6 = 30
x/5 = 30
Now, Multiply.
x = 30 * 5
30 * 5 = 150
So:
X = 150
5 0
3 years ago
Read 2 more answers
Home Videos Inc. surveys 450 households and finds that the mean amount spent for renting or buying videos is P135 a month and th
adell [148]

SOLUTION:

Case: Hypothesis testing

Step 1: Null and Alternative hypotheses

\begin{gathered} H_0:\mu=P127.50 \\ H_1:\mu\leq P127.50 \end{gathered}

Step 2: T-test analysis

\begin{gathered} t=\frac{\hat{x}-\mu}{\frac{s}{\sqrt{n}}} \\ t=\frac{135-127.5}{\frac{75.25}{\sqrt{450}}} \\ t=2.144 \end{gathered}

Step 3: t-test with the significance level

\begin{gathered} t_{\alpha}=? \\ \alpha=0.05 \\ From\text{ }tables \\ t_{0.05}=1.654 \end{gathered}

Step 4: Comparing

t>t_{\alpha}

So tail to reject the null hypothesis. There is enough evidence at a 0.05 level of significance to claim that the mean spent is greater than P127.50.

Final answer:

Yes, there is evidence sufficient to conclude that the mean amount spent is greater than P127.50 per month at a 0.05 level of significance.

6 0
1 year ago
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