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3 years ago

Please help:D linear relationships/finding slope

Mathematics

2 answers:

Lady bird [3.3K]3 years ago

8 0

The slope is -4!!!!!!!!

yan [13]3 years ago

7 0

Answer:

give brainliest the slope is -4

Step-by-step explanation:

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Mrs. Wilkinson can buy a 20-ounce box of cereal for $3.60 or a 28-ounce box of cereal for $4.20. Which is the better buy?

Vsevolod [243]

3.60 / 20 = 0.18

4.20 / 28 = 0.15

The 28-ounce box has better value, as cost-per-ounce is lower.

4 0

4 years ago

Line k has a slope of 2/3. If line m is parallel to line k, then it has a slope of

White raven [17]

Answer:

2/3

Step-by-step explanation: parallel lines have the same slope with different y-int

7 0

3 years ago

I need help 50 pts plz asap

expeople1 [14]

Answer:

Step-by-step explanation:

a: 9/5 and 19/10 are already in simplest form

b:25/35 can be simplified to 5/7 if you divide each side by 5 and 20/24 can

be simplified to 5/6 if you divide each side by 4

c: both 15/10 and 21/14 can be simplified to 3/2

d: 4/6=2/3 and 10/16=5/8

3 0

3 years ago

Read 2 more answers

General Logs Banana Bombs cereal is sold in 10.40 ounce packages. Because the cereal is sold by weight, the number of pieces of

emmasim [6.3K]

Answer:

The 99% confidence interval for the true mean number of Banana Bombs in 10.40 ounce packages is between 689.3 and 703.86.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1 - 0.99}{2} = 0.005$

Now, we have to find z in the Ztable as such z has a pvalue of $1 - \alpha$ .

That is z with a pvalue of $1 - 0.005 = 0.995$ , so Z = 2.575.

Now, find the margin of error M as such

$M = z\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

$M = 2.575\frac{12.33}{\sqrt{19}} = 7.28$

The lower end of the interval is the sample mean subtracted by M. So it is 696.58 - 7.28 = 689.3 pieces

The upper end of the interval is the sample mean added to M. So it is 696.58 + 7.28 = 703.86 pieces

The 99% confidence interval for the true mean number of Banana Bombs in 10.40 ounce packages is between 689.3 and 703.86.

4 0

3 years ago

2 thousands 7 ten divided 10 standard form

ANTONII [103]

Answer:

if im understanding right, answer is 207

Step-by-step explanation:

1000 + 1000 = 2000

7 x 10 = 70

2070 / 10 = 207

8 0

3 years ago