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Zinaida [17]
3 years ago
10

Solve the equation for y.28 = 24x – 7y​

Mathematics
1 answer:
spin [16.1K]3 years ago
6 0

28 = 24x -7y

-24x + 28 = -7y

y = 24/7x + 4

You might be interested in
The Department of Transportation would like to test the hypothesis that the average age of cars on the road is less than 12 year
puteri [66]

Answer:

z=\frac{10.6-12}{\frac{4.1}{\sqrt{45}}}=-2.29  

Step-by-step explanation:

information given

\bar X=10.6 represent the sample mean  

\sigma=4.1 represent the population standard deviation

n=45 sample size  

\mu_o =12 represent the value that we want to test  

\alpha=0.05 represent the significance level for the hypothesis test.  

z would represent the statistic

p_v represent the p value for the test

Hypothesis to test

We want to test if the true mean is less than 12, the system of hypothesis would be:  

Null hypothesis:\mu \geq 10  

Alternative hypothesis:\mu < 10  

The statistic is given by:

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}} (1)  

Replacing the info given we got:

We can replace in formula (1) the info given like this:  

z=\frac{10.6-12}{\frac{4.1}{\sqrt{45}}}=-2.29  

8 0
3 years ago
PLEASE HELP IS POSSIBLE :)
Arisa [49]

Answer: 9 inches

Step-by-step explanation:

3 0
3 years ago
X/2 = 4/16<br><br> solve for x<br><br>Also: if possible/ any please show work!
lana66690 [7]
<span>X/2 = 4/16

This is where you would use cross-multiplication.
Multiply the x with 16 and the 2 with 4.

16x = 8

Now divide everything by 16.
x = 0.5</span>
6 0
3 years ago
How many duckling were swimming at the pond?
EleoNora [17]

Answer:

There are 20 ducklings.

Step-by-step explanation:

For every group of 6 ducks, 5 would be ducklings.

24 / 6 = 4

There are 4 groups of ducks.

5 * 4 = 20

4 0
3 years ago
5 Practice
Vladimir79 [104]

Answer:

Given - A rectangle of length 18 feet and wide 14 feet

To find - Area

Solution -

Area of rectangle = Length * Breadth

=

18 \times 14

252 square feet

6 0
2 years ago
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