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Lilit [14]
3 years ago
14

I know ita hard to read but please help fast

Mathematics
1 answer:
Nataly [62]3 years ago
6 0

C it opens up and is at maximum value i believe

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Answer this question plz thanks
Marina86 [1]

Answer:

  • Option A

Step-by-step explanation:

The area outside of the semicircle is the difference of the areas of the rectangle and the semicircle.

<u>Area of rectangle:</u>

  • A₁ = w(w + 5) = w² + 5w

<u>Area of the semicircle:</u>

  • A₂ = 1/2*πd²/4 = 1/8*πw²

<u>The area we are looking for is:</u>

  • A = A₁ - A₂
  • A = w² + 5w - 1/8πw²

Correct choice is A

5 0
3 years ago
An iceberg has a volume of 7685 cubic feet. What is the mass of the ice (in kg) composing the iceberg?
Ksju [112]

Volume of an iceberg = 7685 cubic feet

Since, density of ice = 0.917 g/cm^3

We have to determine the mass of the ice.

Since density = mass \times volume

Since the unit of density is in g/cm^3, first we will convert the density unit in kilogram.

Since, 1 kilogram = 1000 gram

Therefore, density = \frac{0.917}{1000} kg/cm^3

= 0.000917 kg/cm^3

Since, the density unit is in cubic centimeter. We will convert it into cubic feet.

1 cubic centimeter = 0.00003531466 cubic feet

Therefore, 0.000917  kg/cm^3 = 0.000917 x 0.00003531466

= 0.0000000323 kg/ft^3.

Now, mass = density \times volume

= 0.0000000323 \times 7685

= 0.000248

=0.00025 kg.

Therefore, the mass of ice is 0.00025 kg.

7 0
4 years ago
Read 2 more answers
If x=2y=3z then x:y:z equals what?
Alisiya [41]

Answer: x=6 y=3 z=2

Step-by-step explanation: The question is very vast so im guessing that its just finding 3 whole numbers that can equal the same ammount being multipied by 2 and 3. I chose 6. But theres many others. The answer should be correct because if we replace the letters with the numbers i put in the answer it should look like this: 6=2•3=3•2

When we do simplify this we should get 6=6=6 which is true.

Again you can use different numbers for example 12 as X. Then you need to divide 12 by whats behind the Y. So 12÷2 is 6. So Y is equal to 6. To find Z all you need to do is follow the same steps as Y. Find the number behind Z (3) and divide that into 12. So it would be 12÷3. And if you do the math right it should look like this: X=12, Y=6, Z= 4. And when you imput the numbers to thier corresponding letter it should look like this 12=2(6)=3(4) which simplified looks like 12=12=12 which is true.

5 0
3 years ago
If 24 bags of sugar with equal weight weigh 21 kg, how many bags of sugar would weigh 122kg?​
aleksandrvk [35]

Answer:

24 bags = 21 kg

1.142 bag = 1 kg

About 139 bags = 122 kg

You start off with 24 bags that equal the same amount as 21 kg. You need to find out how many bags of sugar equal the same amount as 122 kg. The first line is a ratio and to find your answer you need to figure out what is 1 kilogram equal to in the amount of bags. You divide both sides by 21 leaving 1.142 bag equal to 1 kilogram. In order to find 122 kilograms, you have to multiply both sides by 122 kilograms which would give you about 139 bags = 122 kilograms.  

Your final answer: 139 bags

I hope this helped!

6 0
3 years ago
What is the measures of the angles in a triangle?
Talja [164]

4 is 90

1 is 37

3

2 is 127

3 is 23

3 0
3 years ago
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