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8090 [49]
3 years ago
12

Simplify 3/4(1/2*-12)+4/5

Mathematics
1 answer:
Lyrx [107]3 years ago
7 0
The exact form is:
-37/10


The decimal for is:
-3.7


The mixed number for is:
-3 7/10
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Is the square root of 8 greater than, less than, or equal to 4 ?
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Answer:

  • √8 is less than 4

Step-by-step explanation:

We need to compare √8 and 4

<em>To compare the numbers they should both be in the same format</em>

<u>√8 is not a perfect square so we'll put number 4 under root</u>

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3 years ago
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What is PA <br> Enter your answer in the box
SSSSS [86.1K]

Answer:

3

Step-by-step explanation:

P is the in-center

⇒PA=PE=PD because they are in-radius of the in-circle

We know that, tangent segments drawn from a point outside the circle are always equal in length

⇒DK=EK=7.2

In right triangle PKE,

using Pythagoras' Theorem : PK^{2}=PE^{2}+KE^{2}

⇒PE^{2}=PK^{2}-KE^{2}

⇒PE=\sqrt{PK^{2}-KE^{2} }

⇒PE^{2}=\sqrt{7.8^{2}-7.2^{2}} }

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3 years ago
Find the values of x and y.<br><br><br><br> x= <br><br> y=
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Answer:

7x+90+20=180

7x+110=180

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X=10

Y=40

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3 years ago
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