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Aleonysh [2.5K]
2 years ago
10

HELP !!!!!!!!!! NEED IMEDIATLEY

Mathematics
1 answer:
ser-zykov [4K]2 years ago
6 0

Answer:

Simon has 7 / 10 of the cakes left

Step-by-step explanation:

by giving 1 / 5 of the cakes away, he is giving 20 % of the cakes away (1/5 = 20%, regardless of the number)

(30 x 0.2 = 6)

and by giving away 10% of the cakes, he has now given away 30 % of the 30 cakes

(30 x 0.3 = 9)

So, he has 70 % of the cakes left

(30 x 0.7 = 21)

So, Simon has 7 / 10 of the cakes left

(70% = 7 / 10)

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Lera25 [3.4K]

Answer:0+&N*=98n

Step-by-step explanation:

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4 years ago
I have five questions I really need help with so please don't just scroll on by. I really need help so PLEASE HELP!!!!!!!!!
Bingel [31]
The angle will be 22 degrees since anything bigger that 90 degrees wont work. 
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3 years ago
Adam has a rectangular fish tank that measures 5 feet in length, 2 feet in width, and 3.5 feet in height. The tank is completely
Margarita [4]
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3 years ago
Evaluate the riemann sum for f(x) = 3 − 1 2 x, 2 ≤ x ≤ 14, with six subintervals, taking the sample points to be left endpoints.
Dahasolnce [82]
<span>Answer: First step is to find out what your x values are. The length of the interval from 2 to 14 is 12. Divide it into six equal parts, which is 2. Then the x points for the left endpoints are: 2, 4, 6, 8, 10, 12 (and the last rectangle goes from 12 to 14), but you don't use 14 unless you are doing right endpoints or trapezoids or something.) Next step is to find the areas of the rectangles. It is just the base times the height, and the height is the function value of the x value, since the rectangle sits on the x axis and extends vertically up or down to the graph of the function. In integrals an area below the axis is considered to contribute a negative quantity to the integral, so we will do the same for rectangles that extend below the x axis. f(2) = 3 - (1/2) 2 = 3 - 1 = 2 f(4) = 3 - 4/2 = 1 f(6) = 3 - 6/2 = 0 f(8) = 3 - 8/2 = -1 f(10) = 3 - 10/2 = -2 f(12) = 3 - 12/2 = -3 That should be in a table. Next to it you write the area, multiplied by -1 if f(x) < 0 (I'm saying that because areas are always positive.) That gives 4, 2, 0, -2, -4, -6 for the six rectangles. Add all that up and it mostly cancels but you get -6 for the final answer. I have explained as I went along. You do not have to explain so much when you give the answer on a test or homework. Just the computations and not so many words.</span>
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3 years ago
Helpppppp ill give brainliest answer if you know
aksik [14]

Answer:

522.67

Step-by-step explanation:

Base area= 196

Height= 8

put it into the formula

V= 1/3*196*8

196*8= 1,568

1,568*1/3= 522.67

hope this helps <3

7 0
3 years ago
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