3 years ago

Helpppp i need to round it to one decimal point

Mathematics

1 answer:

worty [1.4K]3 years ago

3 0

Answer:

it's 4.5

Step-by-step explanation:

hope I'm right .

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<img src="https://tex.z-dn.net/?f=%5Cint%5Climits%5E4_3%7Bx%5E%7B2%7D-x%20%7D%20%5C%2C%20dx" id="TexFormula1" title="\int\limits

melisa1 [442]

Answer:

$\frac{53}{6}$

Step-by-step explanation:

$\int\limits^4_3 {x^2-x} \, dx$

= [ $\frac{x^3}{3}$ - $\frac{x^2}{2}$ ] ← evaluate for upper limit - lower limit

= ( $\frac{64}{3}$ - $\frac{16}{2}$ ) - ( $\frac{27}{3}$ - $\frac{9}{2}$ )

= $\frac{64}{3}$ - 8 - 9 + $\frac{9}{2}$

= $\frac{155}{6}$ - 17

= $\frac{53}{6}$

5 0

3 years ago

1) Solve 12.5 +8= 27.<br> What does s=

garik1379 [7]

Answer:

there is no s in the question please explain

Step-by-step explanation:

3 0

3 years ago

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The length of a ribbon is 7/ 8 meter. Sun Yi needs pieces measuring 1/ 7 meter for an art project. What is the greatest number o

Solnce55 [7]

Answer:

7, 1/8th will be left after sun yi is done

Step-by-step explanation:

7 0

3 years ago

The sum of 4 times a number and 8 is between 0 and 12

Andreas93 [3]

I believe the number is -1

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3 years ago

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When mushrooms are dried, they lose 80 percent of their mass. What weight of mushrooms must be picked to get 1 kg of dry mushroo

kaheart [24]

Answer:

We need to start with 5 kg of mushrooms

Step-by-step explanation:

The total of the dried mushrooms = mushrooms * percentage of weight kept

percentage of weight kept = 1- 80% = 20 %

We want 1 kg of dried mushrooms. Substitute in what we know

1 kg = mushrooms * 20%

1 kg = mushrooms * .2

Divide each side by .2

1 /.2 = mushroom *.2 /.2

5 kg = mushrooms

We need to start with 5 kg of mushrooms

5 0

3 years ago