2 years ago

The GCD of three numbers is 7 and their LCM is 140.If one of the numbers is 20,find the other number

Mathematics

1 answer:

PIT_PIT [208]2 years ago

6 0

Formula= LCM×GCD of the numbers÷The Given number

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LiRa [457]

Answer:

A(-5,2)

Step-by-step explanation:

What they want from you is to basically just flip the graph 90 degrees

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3 years ago

What is the perimeter of a rectangle that is 2m 10cm by 45cm?

Amiraneli [1.4K]

$P=2l+2w\\
l=2\text{ m }10\text{ cm}=210 \text{ cm}\\
w=45\text{ cm}\\\\
P=2\cdot210+2\cdot45\\
P=420+90\\
P=510 \text{ cm}$

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3 years ago

A quadrilateral is a parallelogram only if both pairs of opposite sides are equal.

monitta

Answer:

True

Step-by-step explanation:

A parallelogram is a quadrilateral with 4 sides and both pairs of opposite sides are equal.

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3 years ago

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Which One Doesn't Belong (WODB)

mina [271]

ANSWER:

[i] 4 × 10.56 = 42.2

[ii] 5 × 0.432 = 2.16 (not 2.18)

So, <u>Correct choice</u> - [B]

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3 years ago

What is 12a equal to if 4a plus 6b = 10 and 2a-4b=12?

hram777 [196]

12a=x
4a+6b=10
2a+3b=5
2a-4b=12
a-2b=6
2a+3b+1=a-2b
a+5b+1=0
a=-1-5b

2(-1-5b)+3b=5
-2-10b+3b=5
-2-7b=5
-7b=7
7b=-7
b=-1

-1-5*-1=a
-1+5=a
4=a

4*12=48
12a=48

Hope this helps :)

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3 years ago

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The GCD of three numbers is 7 and their LCM is 140.If one of the numbers is 20,find the other number​

The GCD of three numbers is 7 and their LCM is 140.If one of the numbers is 20,find the other number