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navik [9.2K]
2 years ago
6

6 less than the product of 3 and a number. As an algebraic expression

Mathematics
1 answer:
zhenek [66]2 years ago
5 0

Answer:

3n -6

Step-by-step explanation:

Let the number be n :

Product of 3 and n = 3n

6 less will be 3n- 6

Hope this helped and have a good day

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Write the fraction as an 1/15 equivalent fraction with a denominator of 45.​
Readme [11.4K]

9514 1404 393

Answer:

  3/45

Step-by-step explanation:

To find the numerator, multiply the desired denominator by the fraction.

  x/45 = 1/15

  x = (45)(1/15) = 45/15 = 3

The equivalent fraction is 3/45.

5 0
2 years ago
Work out the area of the trapezium ABDE.<br> B<br> 9 cm<br> 6 cm<br> 8 cm<br> →D<br> E
Evgen [1.6K]

Answer:

Area of the trapezium ABDE = 30 cm²

Step-by-step explanation:

Area of a trapezium = \frac{1}{2}(b_1+b_2)h

Here, b_1 and b_2 are the parallel sides of the trapezium

h = Distance between the parallel sides

From the picture attached,

ΔCAE and ΔCBD are the similar triangles.

So by the property of similarity their sides will be proportional.

\frac{AE}{BD}= \frac{CE}{CD}

\frac{9}{6}=\frac{CE}{8}

CE = \frac{9\times 8}{6}

CE = 12 cm

Therefore, DE = CE - CD

DE = 12 - 8 = 4 cm

Now area of trapezium ABDE = \frac{1}{2}(AE+BD)(DE)

                                                  = \frac{1}{2}(6+9)4

                                                  = 30 cm²

Therefore, area of the trapezium ABDE = 30 cm²

8 0
2 years ago
Round this to the nearest hundred. 728
hammer [34]
<span>Round this to the nearest hundred. 728

= 700</span>
6 0
3 years ago
I need help plz i dont know
ICE Princess25 [194]

Answer:

Hey! Ok so the height is C.10 ft.

Step-by-step explanation:

So to find the height I have to do

h=Vlw =540 12·4.5=10

So therefore its 10

Hope you have a great day! I'm Eve btw Hoped this helped and consider marking this brainiest!

5 0
2 years ago
Write the following fractions in order of size.
11Alexandr11 [23.1K]
Smallest 1/4 5/12 1/2 2/3 3/4 biggest
5 0
2 years ago
Read 2 more answers
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