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Harrizon [31]
2 years ago
13

The L.C.M of 2and 4 is what?​

Mathematics
2 answers:
Anna35 [415]2 years ago
4 0
It is 4



Hope it helps you
KiRa [710]2 years ago
3 0

Hello.

First, let's clarify what the LCM stands for.

L stands for Least

C stands for Common

M stands for Multiple

So we need to find the Least Common Multiple of 2 and 4.

Let's list the first 5 multiples of 2:

2, 4, 6, 8, 10

Now, the first 5 multiples of 4:

4, 8, 12, 16, 20

As we can see, 4 is the LCM.

I hope it helps.

Have an outstanding day. :)

\boxed{imperturbability}

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DIA [1.3K]

Answer:

B.  2cos3θsinθ.

Step-by-step explanation:

Use the identity

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sin4θ - sin2θ = 2 cos (4θ+2θ)/2 sin (4θ-2θ)/2

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5 0
3 years ago
PQ is a chord of length 8 cm of a circle of radius 5 cm. The tangents at P and Q intersect at a point T. the length TP in cm is:
kolezko [41]
<h3><u>Given</u><u> </u><u>:</u><u>-</u></h3>
  • PQ = 8cm
  • Radius = 5cm
  • Two Tangents = P & Q.
<h3><u>Construction</u><u> </u><u>:</u><u>-</u></h3>
  • Join OT.
<h3><u>⟼</u><u> </u><u>Solution</u><u> </u><u>:</u><u>-</u></h3>

Here, ΔTPQ is isosceles and TO is the angle bisector of ∠PTO.

[∵ TP=TQ = Tangents from T upon the circle]

⠀⠀⠀⠀⠀⠀⠀⠀∴ OT⊥PQ

  • So, PR = RQ = 4cm.

⠀⠀⠀

___________________________________________

\longmapsto{}By Applying Pythagoras Theorem in ∆OPR :

OR = √OP² - PR²

OR = √5² - 4²

OR = 3cm

__________________________________________

Now,

\leadsto∠TPR + ∠RPO = 90° (∵TPO=90°)

\leadsto∠TPR + ∠PTR (∵TRP=90°)

<u>\leadsto</u><u>∴ ∠RPO = ∠PTR</u>

⠀⠀

<u>∴ Right triangle TRP is similar to the right </u><u>triangle</u><u> </u><u>PR</u><u>O</u><u>.</u> [By A-A Rule of similar triangles]

⟼\frac{TP}{PO}  =  \frac{RP}{RO}

⟼\frac{TP}{5}  =  \frac{4}{3}

⟼TP=  \frac{20}{3}

<h3>Hence you got your answer here. </h3>

⠀⠀⠀⠀⠀

<h2>-MissAbhi</h2>

6 0
2 years ago
5x-1≥-4(x+7)<br><br> solve... please
amid [387]

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Volgvan

Answer:

The correct answer is the last option, that is,

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Step-by-step explanation:

We have been given that the first runner has $112 in savings, received a $45 gift from a friend, and will save $25 each month. Therefore, amount of money in the account of first running after m months will be: 112 + 45 + 25m

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