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3 years ago

Find the value of x.

Mathematics

1 answer:

Sunny_sXe [5.5K]3 years ago

6 0

The value of x is 8 because if you notice it is not perfectly symmetrical

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Find the volume of a trough 5 meters long whose ends are equilateral triangles, each of whose

yawa3891 [41]

Answer:

$V=5\sqrt{3}\ m^3$

Step-by-step explanation:

we know that

The volume of a trough is equal to

$V=BL$

where

B is the area of equilateral triangle

L is the length of a trough

step 1

Find the area of equilateral triangle B

The area of a equilateral triangle applying the law of sines is equal to

$B=\frac{1}{2} b^{2} sin(60\°)$

where

$b=2\ m$

$sin(60\°)=\frac{\sqrt{3}}{2}$

substitute

$B=\frac{1}{2}(2)^{2} (\frac{\sqrt{3}}{2})$

$B=\sqrt{3}\ m^{2}$

step 2

Find the volume of a trough

$V=BL$

we have

$B=\sqrt{3}\ m^{2}$

$L=5\ m$

substitute

$V=(\sqrt{3})(5)$

$V=5\sqrt{3}\ m^3$

3 0

3 years ago

Round 1964.15569 to the nearest hundredth, tenth, one, ten, and hundred.

Umnica [9.8K]

1964.16 is hundredth
1964.2 is tenth
1964 is one
1960 is ten
2000 is hundred

6 0

3 years ago

P = 2m + 2w solve for m

nirvana33 [79]

P = 2m + 2w

Add -2w on both sides of the equations

2m = p - 2w

Divide both sides by 2

2w = p = 2m
/ 2 /2

m = 1 / 2 p - w

5 0

2 years ago

Read 2 more answers

Please help me I’m struggling

GREYUIT [131]

Answer:

Step-by-step explanation:

the answer is c becuase i know this que

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Three sixth-grade students competed in the 100-meter dash. The table shows their times.

Sergeeva-Olga [200]

Answer:

It is 12.9, 13.1, 13.2 C.

Step-by-step explanation:

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3 years ago