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3 years ago

In the equation z= x/y – y/x, take x as the numbers given below find number z.

Mathematics

1 answer:

Len [333]3 years ago

6 0

X= -5 ,y=10 : Z = 1.5

X= -6 ,y=2 : Z = -2.6 (goes on forever so put the line over the 6)

X= 6 ,y=2 : Z = 2.6 (again goes on forever so put the line over the 6)

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Which of the following are solutions to the equation below?

Ulleksa [173]

Answer:

see below

Step-by-step explanation:

$4x^2-12x+9=5\\\\4x^2-12x+9-5=0\\\\(2x-3)(2x-3)=5\\\\(2x-3)^2=5\\\\2x-3=\pm\sqrt{5}\\\\2x=3\pm\sqrt{5}\\\\x=\frac{3\pm\sqrt{5}}{2}\\\\x_1=\frac{3+\sqrt{5}}{2}\\\\x_2=\frac{3-\sqrt{5}}{2}$

choose yourself

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3 0

3 years ago

WILL GIVE BRAINLY

stiv31 [10]

Answer: 8%

Step-by-step explanation: I BELIVE that the way you figure these things if devision, so, 80/10=8 :)

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3 years ago

The Wilson family invited 100 relatives to their Christmas party. 90 guests had Dutch heritage, 80 had German heritage and 75 ha

g100num [7]

Answer:

Out off 100

Step-by-step explanation:

10 don't have dutch heritage.

20 don't have German heritage.

25 don't have English heritage.

100 - 55

At minimum, 45 people have all three heritages.

8 0

2 years ago

In trapezoid ABCD, AC is a diagonal and ∠ABC≅∠ACD. Find AC if the lengths of the bases BC and AD are 12m and 27m respectively.

xz_007 [3.2K]

Answer:

Length of diagonal is 18 m

Step-by-step explanation:

Given in trapezoid ABCD. AC is a diagonal and ∠ABC≅∠ACD. The lengths of the bases BC and AD are 12m and 27m. We have to find the length of AC.

Let the length of diagonal be x m

In ΔABC and ΔACD

∠ABC=∠ACD (∵Given)

∠ACB=∠CAD (∵Alternate angles)

By AA similarity theorem, ΔABC~ΔACD

∴ their corresponding sides are proportional

$\frac{x}{27}=\frac{12}{x}=\frac{AB}{CD}$

Comparing first two, we get

⇒ $\frac{x}{27}=\frac{12}{x}$

⇒ $x^2=27\times 12$

⇒ $x=\sqrt324=18$

hence, the length of diagonal is 18 m

4 0

3 years ago

A person's daily fat intake should be at whole 600 calories from fat. Justin consumed 270 calories from fat during breakfast. on

Fudgin [204]

Answer:

Assuming he is having 2 more meals, the average would be 165.

Step-by-step explanation:

$600 - 270 = 330 \\ \frac{330}{2} = 165$

7 0

4 years ago