3 years ago

Giving brainliest help

Mathematics

1 answer:

san4es73 [151]3 years ago

7 0

Answer:

The first one

Step-by-step explanation:

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PLS HELP ASAP WILL MARK YOU BRAINIEST IF YOU ARE CORRECT GIVE A THANKS AND 5 STARS

amid [387]

Answer:

28000

Step-by-step explanation:

Area is l times w times h

50 times 20 is 1000.1000 times 28 is 28 thousand

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4 years ago

What is the sum of 12 – 5i and –3 + 4i?

8090 [49]

12 - 3 =9 and -5i+4i=1i or i so it is {9-i}

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3 years ago

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a newly-planned tree needs to be staked with three wires. each wire is attached to the trunk 3ft. above the ground, and then anc

Alexandra [31]

| \
3ft | \
|_ _\
4ft
a²+b²=c² Pythagorean Theorem
3²+4²=c² simplify
c=√(3²+4²) isolate c
c=5

c*6=answer because you need wire for 6 trees
5*6=answer
answer=30

You will need 30 feet of wire

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3 years ago

Find the measures of two angles, one positive and one negative, that are coterminal with pi divided by four.

Korvikt [17]

$\frac{ \pi }is the 45 degree angle. the whole circle is 2π. so the positive angle is π/4+2π =\frac{9 \pi }{4}$
the the negative angle is -(2π-π/4)= -\frac{7 \pi }{4}

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3 years ago

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Please help ASAP! Only one question!!

levacccp [35]

It is negative because the plot is going down not up

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3 years ago