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Leto [7]
3 years ago
5

What are the solutions of x^2=8-5x

Mathematics
2 answers:
Lynna [10]3 years ago
6 0

12=8-5x move the terms

5x=8-12 calculate

5x= (-4) divide both sides

<h2>x= -4/5  or decimal form x= -0.8</h2>
tankabanditka [31]3 years ago
3 0

Answer:

The answer is B on brainly

Step-by-step explanation:

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rjkz [21]
You go it right it's the first one
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3 years ago
Photo above need help
Ira Lisetskai [31]

Answer:

m = 0

Step-by-step explanation:

<u>If two lines are parallel, their slopes are equal. </u>

The slope of x - axis is 0

(why?)

because, slope of a line is given by

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Θ is the angle made by the line with the x- axis.

Here, the line in question is the x- axis itself, and every line makes an angle of 0° with itself.

=> Θ = 0

=> tan Θ = 0

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and the line in blue is parallel to the X- axis, therefore, it's slope is also 0

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<u>                                </u>

\mathfrak{\overline{There\:You\:Are!}}

6 0
2 years ago
Read 2 more answers
Indigo Depot is having a clearance sale of their summer items. A swimsuit that originally cost $90 before any discount is on sal
nekit [7.7K]

Answer:

$43.20

Step-by-step explanation:

A swimsuit that originally cost $90 before any discount is on sale for 20% off.

X = price of swimsuit

X = 90

20% off = 90 * 0.8 = 72

The swimsuit is then put on clearance for an additional 40 % off the sale price.

72 * 0.6 = 43.2

what is the final price?

$43.20

6 0
3 years ago
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Find the value of n, correct to 4 significant figures.​
Law Incorporation [45]

Answer:

6.708

Step-by-step explanation:

  • Y varies directly as the square of x (Given)

  • \implies y\:\alpha \:x^2......(1)

  • Y varies inversely as the square root of z (Given)
  • \implies y\:\alpha\: \frac{1}{\sqrt z}......(2)

  • Combining (1) & (2), we find:

  • y\:\alpha \:\frac{x^2}{\sqrt z}

  • \implies y=\frac{kx^2}{\sqrt z} (Where k is constant of proportionality).....(3)

  • Now, when y = 2, x = 3 and z = 4, we find the value of k i.e. constant.

  • 2=\frac{k(3)^2}{\sqrt 4}

  • \implies 2=\frac{k(9)}{2}

  • \implies k =\frac{4}{9}

  • Plugging the value of k in (3), we find:

  • y=\frac{4x^2}{9\sqrt z} ....(4)

  • Next, in equation (4), plug y = 5, x = n and z = 16 and obtain the value of n by solving it.

  • 5=\frac{4(n)^2}{9\sqrt {16}}

  • \implies 5=\frac{4(n)^2}{9(4)}

  • \implies 5=\frac{(n)^2}{9}

  • \implies 5(9)=(n)^2

  • \implies 45=(n)^2

  • \implies n=\sqrt{45}

  • \implies n=6.70820393

  • \implies n\approx 6.708
7 0
2 years ago
2) If events A and B are DEPENDENT, then A) A and B must occur together. B) A and B cannot occur together. C) A's occurrence can
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Answer:

by 5

Step-by-step explanation: because tgey wou;d nred help

6 0
3 years ago
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