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andreyandreev [35.5K]
3 years ago
13

Can someone please help me with 10-16 it’s due tomorrow!!! Please

Mathematics
1 answer:
VMariaS [17]3 years ago
7 0
10) V=πr² *h= π*10²*12≈3770
11) V=A(base)*h= (3√3/2)*(9²)*10=2104
A(base)=(P*a)/2=(6*9*3√3)/2=9*9*3√3/2

12)V=πr² *h=π*18² *6≈6107
13)V=4*3*12=144
14) h(triangle)=√(5²-3²)=√16=4
A(base)=(3*4)/2=6
V=A(base)* height (prism)=6*2=12
15)  V=A(base)*h= (3√3/2)*(6²)*11= 1029
16)V=A(base)*h=2(1+√2)5²*22≈2656
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To get a 100 kilograms of a 48% fat content chocolate how many kilograms of a 30% and 50% mix should be used
wlad13 [49]
A kilogram %30 chocolate,
b kilogram %50 chocolate,
a+b = 100 kilogram chocolate,

48.(a+b) = 30.a + 50.b
48a + 48b = 30a + 50b
18a = 2b
b = 9a

a+b = a + 9a = 10a = 100 kg
a = 10 kg
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You should use,

10 kg %30 chocolate,
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8 0
3 years ago
if n is the largest two digit nuber that can be expressed as the product of two prime numbers greater than 3, what is the value
sasho [114]

List of the first few prime numbers greater than 3:

5, 7, 11, 13, 17, 19, 23, 29

Now find the combination that you can multiply and still have a 2 digit number:

5 x 7 = 35

5 x 11 = 55

5 x 13 = 65

5 x 17 = 85

5 x 19 = 95

5 x 23 = 115 ( 3 digit number, can't use).

7 x 5 = 35

7 x 11 = 77

7 x 13 = 91

7 x 19 = 133 ( 3 digit number, can't use).

The largest 2 digit number would be 5 x 19 = 95

6 0
3 years ago
the local hardware store wants to increase their inventory. Last year 15 electric screwdrivers cost them 300.how much would 45 s
Harman [31]
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Another way is to obtain the unit cost of each screwdriver and then multiply the result by 45 screwdrivers.
7 0
3 years ago
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coldgirl [10]

Answer: 74

Step-by-step explanation:

5 0
3 years ago
What is 1 2/3 as an improper fraction
nataly862011 [7]
Hi there! To turn a mixed number into a improper fraction we multiply 1 by 3 and add 2. 1 2/3=1×3+2/3=5/3. Therefore, 1 2/3 as an improper fraction is 5/3.
6 0
3 years ago
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