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2 years ago

Find the value of a. Round the nearest tenth.

Mathematics

1 answer:

PilotLPTM [1.2K]2 years ago

6 0

Answer:

side A should be about 44cm

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Here are four fractions labelled A, B, C and D.

yarga [219]

Answer:

alright, where's the fraction?

4 0

2 years ago

Solve for x in the equation x2-8x+41=0

Alinara [238K]

Answer:

d) 4 ± 5i

Step-by-step explanation:

Here we have to use the quadratic formula.

x = $\frac{-b +/- \sqrt{b^2 - 4ac} }{2a}$

In the given equation x^2 - 8x + 41 = 0, a =1, b = -8 and c = 41

Now plug in the given values in the above formula, we get

x = $\frac{-(-8) +/- \sqrt{(-8)^2 - 4*1*41} }{2*1}$

Simplifying the above, we get

x = $\frac{8 +/- \sqrt{64 - 164} }{2}$

x = $\frac{8 +/- \sqrt{-100} }{2}$

[√-100 = √-1 *√100 = i*10 = 10i] because the value of √-1 = i]

x = (8 ± 10i )/2

Now dividing by 2, we get

x = 4 ± 5i

The answer is d) 4 ± 5i

Hope you will understand the concept.

Thank you.

3 0

2 years ago

Read 2 more answers

The population of Peru is 10904 the population of Franklin is 25248. The population of Franklin is percent more than the populat

LekaFEV [45]

Answer:

132%

Step-by-step explanation:

The population of Peru = 10904

The population of Franklin = 25248.

Difference = 25248-10904=14,344

Expressing as a percentage of the population of Peru

$\dfrac{14344}{10904} X 100$

=132%

Therefore, the population of Franklin is 132% more than the population of Peru.

6 0

3 years ago

Four boxes were mailed and weighted at the post office and the first one is 8.25pounds the second one weights 8.200 and the he t

hoa [83]

Answer:

The first one would be the heaviest

Step-by-step explanation:

becuase if you compare all three of them vertically you wil see that the tenth in the first one is larger than the other two

5 0

2 years ago

Read 2 more answers

Slo<br><img src="https://tex.z-dn.net/?f=%20%7Be%7D%5E%7B4%20-%207x%7D%20%20%2B%2011%20%3D%2020" id="TexFormula1" title=" {e}^{4

alukav5142 [94]

Answer:

x is about 0.26

Step-by-step explanation:

$e^{4-7x}+11=20$

$e^{4-7x}=9$

$ln(e^{4-7x})=ln(9)$

$4-7x=ln(9)$

$-7x=ln(9)-4$

$x=\frac{ln(9)}{-7} +\frac{4}{7}$

$x=\frac{4-ln(9)}{7}$

$x=0.2575393461$

4 0

2 years ago