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3 years ago

What is the answer to the equation (x-5)^2=40

Mathematics

1 answer:

Citrus2011 [14]3 years ago

3 0

Answer:

x^2 -10x - 15 = 0

(don't know how far you want me to go)

Step-by-step explanation:

(x - 5)^2 = 40

(expand the brackets)

(x - 5)(x - 5) = 40

x^2 -5x -5x + 25 = 40

x^2 -10x + 25 = 40

x^2 -10x - 15 = 0

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Hey can I have some help with this I am very confused

aniked [119]

m<5=40°

Reason-Its Given

m<2=140

Reason-Given

<5 and <2 are linear pair(looked properly in diagram) Hence they are supplementary.

<5 and 2 are same side interior angles (Clearly shown on diagram .

We can call them co responding interior angles and their sum will be 180 if lines are parallel

a||b

Let's verify

Let the angle below <1 be <3

Now

<2+<3=180

<5+<4=180

<5=<2

$\\ \sf\longmapsto$

Hence verified

4 0

3 years ago

How many times greater is The total area of Russia than the total area of Finland? Finland total area is 3.4 x 10 to the 5th pow

Luden [163]

Answer:

The answer to your question is Russia is 50 times greater than Finland.

Step-by-step explanation:

Data

Finland area = 3.4 x 10⁵ km²

Russia area = 1.7 x 10⁷ km²

Proportion = ?

Process

1.- Just divide the Russia's area by the Finland's area.

Proportion = $\frac{Finland's area}{Russia's area}$

Proportion = $\frac{1.7 x 10^{7} }{3.4 x 10^{5} }$

Porportion = 50

6 0

3 years ago

Which of the following is a sine of a in the right triangle below

seraphim [82]

Answer:

$\frac{5}{13}$

Step-by-step explanation:

sine of A = $\frac{opposite}{hypotenuse}$

opposite = 5

adjacent = 12

hypotenuse = 13

6 0

3 years ago

Please help this is a test

vekshin1

Answer:

k12

Step-by-step explanation:

4 0

2 years ago

What is -5x to the -3 power?

Alinara [238K]

-125x

hope this helps!!!!!

8 0

3 years ago

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