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WITCHER [35]
3 years ago
13

What is the sum of 1/9, 2/3, and 5/18? A. 19/18 B.4/15 C. 12/9 D. 8/20

Mathematics
1 answer:
kari74 [83]3 years ago
8 0

Answer:

19/18

Step-by-step explanation:

The GCF of 9, 3, and 18 is 18.

Each denominator must be multiplied to 18, and as a result what you multiply in the denominator MUST be multiplied in the numerator.

9 * 2 = 18

1 * 2 = 2

2/18

3 * 6 = 18

6 * 2 = 12

12/18

5/18

Add all three fractions together:

12/18 + 5/18 + 2/18 = 19/18

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7x(x+4)<br> 7x^2+4<br> 7x^2+28x<br> 8x+4<br> 8x+11
Scilla [17]

Answer:

7x^2+28x

Step-by-step explanation:

7x(x+4)\\\\Multiplication\ is\ distributive\ on\ addition\\\\\Rightarrow 7x(x+4)=7(x\times x+x\times 4)\\\\7x(x+4)=7(x^2+4x)\\\\Multiplication\ is\ distributive\ on\ addition\\\\\Rightarrow 7x(x+4)==7\times x^2+7\times 4x\\\\7x(x+4)=7x^2+28x

6 0
3 years ago
1 point
tekilochka [14]

Answer:

$6.03

Step-by-step explanation:

Let's begin by listing out the given variables:

height (h) = 12 cm, diameter (d) = 8 cm, r = d ÷ 2  ⇒ r = 4 cm, cost of coconut oil (c) = $0.01 /cm³

The formula of cylinder is given by:

V = πr²h = π * 4² * 12 = <u>603.1858 cm³</u>

cost of filling the tin can with coconut oil = cost of coconut oil * Volume of cylinder

Cost = c * V = 0.01 * 603.1858

Cost = $<u>6.03</u>

5 0
3 years ago
At the end of dinner, equivalant amounts of lasagna in two pans were left.
Oksanka [162]

2/4+2/4 or 1/2+1/2

if there is 2/4 in one pan and 1/2 in another 2/4=1/2

8 0
3 years ago
If you have an avocado and then you get 10 and then you get6 coconut and then you get 20 sandwiches what is it equal
icang [17]

Answer:

36

Step-by-step explanation:

you just add all of the numbers together

5 0
3 years ago
Find the value of x.
jok3333 [9.3K]

Answer:

Complementary

Step-by-step explanation:

5 0
2 years ago
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