3 years ago

What is the value of Fraction 1 over 2x3 + 3.4y when x = 2 and y = 5?

Mathematics

1 answer:

Triss [41]3 years ago

7 0

Answer:

C.21

Step-by-step explanation:

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3 years ago

Look I have like barely any points can someone help answer this tho

MariettaO [177]

Answer:

3.5

Step-by-step explanation:

These are similar triangles.

BC:AC = BD:AD

6:5 is the ratio.

Then, simply multiply:

4.2 x 5/6 = 3.5

So, x = 3.5!

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3 years ago

What number gives a result of −8 when 11 is subtracted from the quotient of the number and 6?

natima [27]

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3 years ago

Seven more than one half a number as an equation

romanna [79]

Answer:

1/2x+7

Step-by-step explanation:

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3 years ago

Help! This is due today and I'm stuck on this problem.

Varvara68 [4.7K]

Answer:

280.6 $m^2$

Step-by-step explanation:

<u>find the length of each side:</u>

you're only given h = 9 m

the formula for h is $h=\frac{\sqrt{3} }{2} *a$ , where a is a side length of the hexagon

plug h in:

$9=\frac{\sqrt{3}}{2}*a\\\\a=9*\frac{2}{\sqrt{3}}\\\\$

a ≈ 10.392 m

<u>now find the area of a triangle:</u>

1/2 (10.392)(9) = 46.764 $m^2$

multiply that by 6 and you get 280.584 ≈ 280.6 $m^2$

you can also use the regular hexagon area formula instead of finding the individual area and multiplying by 6: $\frac{3\sqrt{3} }{2} *a^2$

7 0

3 years ago

Read 2 more answers