Can someone please answer this question please answer it correctly and lease show work please help me I need it

Mathematics

2 answers:

earnstyle [38]3 years ago

8 0

Answer:

Step-by-step explanation:

The correct answer would be $\frac{-5}{3}$ . Therefore, none of the answer choices fulfill this and A and B are not correct.

siniylev [52]3 years ago

8 0

None of the above it has to be c because A and B are not true

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6. We want to build the smallest cube possible using bricks with dimensions 8 cm - 12 cm 20 cm. How many bricks do we need?

Georgia [21]

Answer:

1200

Step-by-step explanation:

We’ll need a number that is evenly dividable by all three values: 8,12 & 15. We can develop the generic common multiple by multiplying all three numbers and get 1440. But is that the smallest common multiple? The quick and dirty way to factor the number is to divide it by it’s various elements and see what works. In this case 1440/12=120 which is the smallest common multiple of the three numbers. The smallest length is therefore 120.

In order to find how many bricks just divide (120x120x120)/(8x12x15)=1200 bricks

7 0

2 years ago

6 3/4x5=?<br><br> Please help

lesantik [10]

The answer would be 33 3/4.

8 0

3 years ago

Carly wants to add texting to her cell phone plan. She has two choices in texting packages. The TURKEY plan charges $.15 per tex

Usimov [2.4K]

Let x be the number of texts (amount of texts) Carly does in a month.

Let y be the "total" amount Carly will have to pay in a month.

Then, as per the TURKEY plan, Carly's monthly total cost will be represented by the equation as shown: $y=0.15x+20$

As we can clearly see in the above equation even if Carly does not text a single message (when x=0), even then they will have to pay $20 for that month.

For the GOBBLE plan, the equation will be: $y=0.2x$ .