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Ludmilka [50]
2 years ago
5

Solve for k.10/3=k/9​

Mathematics
2 answers:
Ganezh [65]2 years ago
8 0
Cross multiply
10 x 9 = 90
3 x k = 3k

make an equality
90 = 3k

divide both sides by 3
90/3 = k

simplify
30 = k
valentinak56 [21]2 years ago
5 0

Answer:

30

Step-by-step explanation:                               I can't

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1 kilogram (kg) is about 2.2 times as heavy as 1 pound (lb). Suppose the function f determines Marcus's weight (in lbs), f ( t )
Karolina [17]

Answer:

1. g(29)=88.18

2. g(t)=\frac{f(t)}{2.2}

Step-by-step explanation:

It is given that 1 kilogram (kg) is about 2.2 times as heavy as 1 pound (lb).

1 kg = 2.2 lb

Let as consider f determines Marcus's weight (in lbs), f ( t ) , given the number of days t since the beginning of 2017.

The function g determines Marcus's weight (in kg), g ( t ) , given the number of days t since the beginning of 2017.

It is given that f ( 29 ) = 194, it means the 29 Marcus's weight (in lbs) is 194.

Using the above conversion we get

1\text{ lb }=\frac{1}{2.2}\text{ kg}

Multiply both sides by 194.

194\times 1\text{ lb }=194\times \frac{1}{2.2}\text{ kg}

194\text{ lb }=88.181818\text{ kg}

It means the 29 Marcus's weight (in kg) is about 88.18.

g(29)=88.18

Since 1 kg = 2.2 lb, it means weight in kg must be multiplied by 2.2 to convert it into lbs.

g(t)\times 2.2=f(t)

Divide both sides by 2.2.

g(t)=\frac{f(t)}{2.2}

Therefore the formula for g using the function f is g(t)=\frac{f(t)}{2.2}.

8 0
3 years ago
What is the volume of a triangular pyramid that is 4ft tall and has a base area of 3 square feet
AURORKA [14]
Formula of the Volume of a Pyramid is: \frac{1}{3}×Area of Base×Height of pyramid
V=\frac{1}{3}×3×4 (area of base=3 ft²)
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\frac{1}{3} and 3 cancels out.

4 0
3 years ago
Please help me i beg of u also due today
lara31 [8.8K]

Answer:

35) A. 21.2

46) D. 4/7

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Step-by-step explanation:

35) see first two attached files. 134.3 - 113.1 = 21.2

46) see third attached file. 4/7 = .5714ish and 112 pi = 351.59 ish

30) see fourth attached file.

42) prisms are in no way circular so it cant have a circular base when cut

ok hope this helps!! <3

5 0
3 years ago
Solve the following inequality for c. Write your answer in the simplest form. 1+4(8c-6)&lt;-6c-10-1
Damm [24]

\frac{x}{y} 6/19\\Answer:

c < 6/19

Step-by-step explanation:

7 0
3 years ago
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Which compound inequality is graphed?
jek_recluse [69]
The answer is D hope this helps!!
5 0
2 years ago
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