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sattari [20]
3 years ago
12

Which expression is a difference of cubes? O X6-6 O X6-8 O x8-6 O x8-8

Mathematics
2 answers:
Feliz [49]3 years ago
7 0

Answer:

x6 - 8

Step-by-step explanation:

UkoKoshka [18]3 years ago
4 0

Answer:

x^{6} - 8

Step-by-step explanation:

A difference of cubes has the form

a³ - b³

Note that x^{6} is a perfect cube, that is (x^2)^{3}, but

x^{8} is not

8 is a perfect cube, that is 2³ , but 6 is not

Thus

x^{6} - 8 ← is a difference of cubes

= (x^2)^{3} - 2³

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OLga [1]
4 tens and 10 ones is 410
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3 years ago
A new company is in the process of evaluating its customer service. The company offers two types of sales: (1) Internet sales an
iragen [17]

Answer:

H_A: P_{\text{Internet}}-P_{\text{Store}} > 0.10

Step-by-step explanation:

We are given the following in the question:

Let P_{\text{Internet}} be the proportion of the internet sales and P_{\text{Store}} be the proportion of the store sale.

Hypothesis:

We have to conduct a hypothesis to check that the Internet sales are more than 10 percent higher than store sales.

Thus, we can design the null and alternative hypothesis as:

H_{0}: P_{\text{Internet}}-P_{\text{Store}}\leq 0.10\\H_A: P_{\text{Internet}}-P_{\text{Store}} > 0.10

Alternate Hypothesis:

The alternate hypothesis states that the proportion of the internet sales is greater than the proportion of store sales by 10 percent.

3 0
4 years ago
At a grocery store, an uncooked beef roast is on sale for $4.99/lb. At the same store, prepared roast beef is at the deli for $2
Mrrafil [7]
For us to find out how many times more expensive is the deli roast compared to the uncooked roast we need to change the units;
cost of 100g=0.221lb is $2.99
cost of 1 lb will therefore be:
1/0.221*2.99
=$13.53/lb
therefore the number of times more expensive the deli roast is compared to uncooked roast is:
[price of 1lb roasted meat]/[price of 1 lb uncooked meat]
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6 0
3 years ago
What does -1 >-2 indicate about the positions of -1 and -2 on the number line?
DochEvi [55]

Answer:

Step-by-step explanation:

Its  C. Because when you do the comparison between -1 and -2, -1 is greater than -2. so That's why the answer is C.

7 0
3 years ago
PLEASE HELP ME WITH THIS ASAP X
joja [24]

Answer:

Hi i think it is 6 im not sure though

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
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