3 years ago

PLS URGENT (1x2)^1.5{[(5x10)+(200/4)]/5}

Mathematics

1 answer:

scoundrel [369]3 years ago

4 0

I believe the answer would be 168

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PLZ help me fast 2 mins left

jek_recluse [69]

Answer:

$\sqrt{-5}=i\sqrt{5}$

$\sqrt{-25}=5i$

Step-by-step explanation:

i is an imaginary unit, this means

$i^2=-1$

Rewrite -5 as $5\cdot (-1)=5\cdot i^2,$

then

$\sqrt{-5}=\sqrt{5i^2}=\sqrt{5}\cdot \sqrt{i^2}=\sqrt{5}\cdot i=i\sqrt{5}$

Rewrite -25 as $-25=25\cdot (-1)=25\cdot i^2,$

then

$\sqrt{-25}=\sqrt{25\cdot i^2}=\sqrt{25}\cdot \sqrt{i^2}=5\cdot i=5i$

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3 years ago

What radius of a circle is required to inscribe an equilateral triangle with an area of 35.074 in2 and an altitude of 7.794 in?

levacccp [35]

Answer:

Step-by-step explanation:

firstly, we will draw diagram

we know that

centroid divides altitude into 2:1 form

so, we get

$r=\frac{2}{3}\times h$

now, we can plug

h=7.794

$r=\frac{2}{3}\times 7.794$

$r=5.196in$

so, option-C...............Answer

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3 years ago

This is a linear equations question so pls help me I’m dying of stress thank you! ^^

topjm [15]

Answer:

the answer to this problem is D:(-2,4)(1,1)

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Can someone help me with these 3 questions please

Alex_Xolod [135]

#1 is 2 #2 is 6 i dont know 3

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3 years ago

Please help I am struggling really bad thank you so much

Pavlova-9 [17]

Answer:

1) A

2) A

3) C

Step-by-step explanation:

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