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zvonat [6]
3 years ago
13

The mass of a rock sample is 25 g and

Mathematics
2 answers:
denis23 [38]3 years ago
7 0

Answer:

5

Step-by-step explanation:

25 / 5 = 5    mass / density = volume

balu736 [363]3 years ago
3 0

Answer:

given us,

mass= 25g

density= 5 g/ cm2

here,

volume = mass/ density

= 25g/ 5g cm2

= 5cm2

Step-by-step explanation:

cm2 is the square

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A chef got 7 bags of onions. The red onions came in bags of 8 and the yellow onions came in bags of 3. If the chef got a total o
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Answer:

\#\text{ of 8-onion bags: }4,\\\#\text{ of 3-onion bags: }3

Step-by-step explanation:

Let a be the number of bags with 8 onions and let b be the number of bags with 3 onions. We have the following system of equations:

\begin{cases}a+b=7,\\8a+3b=41\end{cases}

Subtracting b from both sides of the first equation, we get a=7-b. Substitute this into the second equation:

8(7-b)+3b=41,\\56-8b+3b=41,\\56-5b=41,\\-5b=-15,\\b=\boxed{3}

Therefore, the number of 8-onion bags is:

a=7-b,\\a=7-3,\\a=\boxed{4}

Thus, the chef got 4 8-onion bags and 3 3-onion bags.

5 0
3 years ago
Derek runs 4 laps around the track. If each lap around the track is 0.25 miles long, and he starts and stops in the same locatio
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The answer is B) 0 miles. Because displacement is the shortest distance between starting point and ending point. Since, his starting point and ending point is the same, hence, his displacement is 0 miles.
8 0
3 years ago
Is y=6x-2 proportional
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Yes, the equation given above is proportional. The variables y and x are directly proportional to each other. <span>Two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a constant multiplier.</span>
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4 years ago
Read 2 more answers
Please help :DDDD 50 pointssss and brainliest
antiseptic1488 [7]

Answer:

Her solution is incorrect. The correct solution for the equation is x=7

Step-by-step explanation:

Sasha solved the equation <em>incorrectly</em>.

The correct way to solve this equation would be:

8x = 56

Divide both sides by 8.

\frac{8x}{8}= \frac{56}{8}

You would get x=7.

This equation has 1 solution.

<u></u>

<u></u>

<u></u>

<u></u>

<u>Hope this helps! Please let me know if you need more help, or if you think my answer is incorrect. Brainliest would be MUCH appreciated. Have a great day!</u>

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<u>Stay Brainy!</u>

−<em>Kallmekrish</em>

8 0
2 years ago
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Tyree wants to know if the value of -1 3/4, raised to the 12th power is a positive or negative number
scZoUnD [109]

9514 1404 393

Answer:

  positive

Step-by-step explanation:

The exponent 12 tells you how many times (-1 3/4) is a factor in the product. The number 12 is even, so there will be an even number of minus signs in the product. That results in a positive product.

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The value is ...

  825.005006849765777587809625

6 0
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