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hoa [83]
3 years ago
15

What is the least common denominator of 7/10 and 4/9

Mathematics
1 answer:
melisa1 [442]3 years ago
6 0

Answer:

7/10 = 63/90

4/9 = 40/90

Step-by-step explanation:

Rewriting input as fractions if necessary:

7/10, 4/9

For the denominators (10, 9) the least common multiple (LCM) is 90.

LCM(10, 9)

Therefore, the least common denominator (LCD) is 90.

Calculations to rewrite the original inputs as equivalent fractions with the LCD:

7/10 = 7/10 × 9/9 = 63/90

4/9 = 4/9 × 10/10 = 40/90

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katen-ka-za [31]

Answer:

You obviously copied the question text in an incomplete and lazy way.

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Please either point the whole question with the possible answers or make a photograph of the problem.

7 0
3 years ago
It says: Find the surface area of the rectangular prism with l=16 m, w=19 m, annd h = 2 m
ratelena [41]
The surface area of a rectangular prism needs an formula.
For a rectangular prism you have to understand some about the shape.
It is a 3D shape consisting of 6 sides
all are rectangles
to determine the area of one rectangle is the base multiplied by the height or in this case length times with.
but you also need to account for all sides and the height.
so the Surface area formula would be like
sa = l \times w + l \times h + w \times h
this accounts for 3 of the sides of the rectangular prism.
the top,bottom,and side.
so to get the surface area of a rectangle prism you must mutiply each side by 2 to account for all sides of the rectangular prism.
so the surface area formula for a rectangular prism is
SA = 2\\  \times l \times w +2 \times l \times h+2 \times h \times w
I won't solve it for you but just plug in your values for l,w,and h into that formula and you will get your answer in metres squared or m
{m}^{2}
8 0
3 years ago
Read 2 more answers
Evaluate the expression for a = -20.<br> 19 +21=
NeTakaya

Answer: a = 0.81

So yeah, that is the answer.

6 0
3 years ago
Select the correct answer.
Vinil7 [7]

Answer:

C

Step-by-step explanation:

Graph C cause it gets multipled by 20 each time

6 0
2 years ago
Read 2 more answers
You want to have $35,000 in cash to buy a car 4 years from today. you expect to earn 8 percent, compounded annually, on your sav
Anna007 [38]
You will need to use this formula:
Principal = Total ÷ (1 + Rate) ^ <span>years
</span><span>Principal = 35,000 / [1.08]^4
</span><span><span><span>Principal = 35,000 / 1.36048896 </span> </span> </span>
Principal = <span> <span> <span> 25,726.04 </span> </span> </span>
So, you would have to deposit $25,762.04 @ 8 per cent to have 35,000 in four years.


7 0
2 years ago
Read 2 more answers
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