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3 years ago

ZA= Round your answer to the nearest hundredth. С A ? 5 8 B

Mathematics

1 answer:

ZanzabumX [31]3 years ago

6 0

Answer:

∠A = 38.68°

Step-by-step explanation:

$sinA=\frac{5}{8}\\A=sin^{-1}(\frac{5}{8})\\A=38.68$

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What is 3/15 in a decimal

Damm [24]

Well, since 3/15 can be simplified to 1/5 by dividing the top and the bottom by 3, you would just need to find the decimal of 1/5 which is much more commonly recognized. it's .2 (becasue 1/10 would be .1 and 1/5=2/10 so .1x2=.2)

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3 years ago

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Data Entry - No Scoring During your procedure to determine the uncalibrated volume near the stopcock of your buret, what was the

DaniilM [7]

Answer:

0.025 grams

Step-by-step explanation:

The water in the stopcock has a volume of 25 mL initially, After that, the whole water was drained out. So we have:

Volume of drained water = (25 mL)(1 x 10⁻⁶ m³/1 mL)

Volume of drained water = 25 x 10⁻⁶ m³

Density of drained water = 1000 kg/m³

So, for the mass of drained water:

Density of drained water = Mass of drained water/Volume of drained water

Mass of drained water = (Density of drained water)(Volume of drained water)

Mass of drained water = (1000 kg/m³)(25 x 10⁻⁶ m³)

<u>Mass of drained water = 0.025 gram</u>

Density

4 0

4 years ago

أحتاج إلى مساعدة كيف تقدم كوزي Tell me what this say for free branleist no transition script

likoan [24]

Answer:

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Step-by-step explanation:

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3 years ago

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Please helpppp me ! If the sum of the roots of the equation mx^2 - (6m+1)x+m^3+m^2+4=0 is equal to 7 , what is the product of it

zepelin [54]

Answer:

The product of its roots is 6.

Step-by-step explanation:

Let $m\cdot x^{2}-(6\cdot m +1)\cdot x+(m^{3}+m^{2}+4) = 0$ , all roots are calculated by Quadratic Formula:

$r_{1} = \frac{6\cdot m +1 + \sqrt{(6\cdot m + 1)^{2}-4\cdot m\cdot (m^{3}+m^{2}+4)}}{2\cdot m}$ (1)

$r_{2} = \frac{6\cdot m +1 - \sqrt{(6\cdot m + 1)^{2}-4\cdot m\cdot (m^{3}+m^{2}+4)}}{2\cdot m}$ (2)

According to statement, we know that:

$r_{1}+r_{2} = 7$ (3)

By applying (1) and (2) in (3), we have the following expression:

$\frac{6\cdot m +1}{m} = 7$

$6\cdot m + 1 = 7\cdot m$

$m = 1$

If we know that $m = 1$ , then the roots of the polynomial are, respectively:

$x^{2}-7\cdot x +6 = 0$

$r_{1} = 6$

$r_{2} = 1$

And the product of the roots is:

$r_{1}\cdot r_{2} = 6$

The product of its roots is 6.

7 0

3 years ago

Someone plz help me I’m stuck with this one T^T

Marat540 [252]

Answer:

SID WILL FINISH FIRST

Step-by-step explanation:

$\frac{2}{3}$ ÷ $\frac{1}{6} =$

$\frac{2}{3}$ * $\frac{6}{1} =$ = 12/3 = 4

~~~~~~~~~~~~~~~~~~~

$\frac{1}{3}$ ÷ $\frac{1}{9} =$

$\frac{1}{3}$ * $\frac{9}{1} =$ = 9/3 = 3

5 0

3 years ago