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3 years ago

What is the meaning of descending

Mathematics

2 answers:

STALIN [3.7K]3 years ago

6 0

Answer:

It means arranged from largest to smallest, i.e, decreasing order.

Example: 100, 75, 50, 25.

erastovalidia [21]3 years ago

4 0

Answer:

numbers largest to smallest

Step-by-step explanation:

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Diego is solving the equation x^2-12x = 21

uysha [10]

Answer:

The solutions to the quadratic equations will be:

$x=\sqrt{57}+6,\:x=-\sqrt{57}+6$

Step-by-step explanation:

Given the expression

$x^2-12x\:=\:21$

Let us solve the equation by completing the square

$x^2-12x\:=\:21$

Add (-6)² to both sides

$x^2-12x+\left(-6\right)^2=21+\left(-6\right)^2$

simplify

$x^2-12x+\left(-6\right)^2=57$

Apply perfect square formula: (a-b)² = a²-2ab+b²

i.e.

$x^2-12x+\left(-6\right)^2=\left(x-6\right)^2$

so the expression becomes

$\left(x-6\right)^2=57$

$\mathrm{For\:}f^2\left(x\right)=a\mathrm{\:the\:solutions\:are\:}f\left(x\right)=\sqrt{a},\:-\sqrt{a}$

solve

$x-6=\sqrt{57}$

add 6 to both sides

$x-6+6=\sqrt{57}+6$

Simplify

$x=\sqrt{57}+6$

also solving

$x-6=-\sqrt{57}$

add 6 to both sides

$x-6+6=-\sqrt{57}+6$

Simplify

$x=-\sqrt{57}+6$

Therefore, the solutions to the quadratic equation will be:

$x=\sqrt{57}+6,\:x=-\sqrt{57}+6$

5 0

3 years ago

Kateri draws a square. She wants to draw one line to draw one line to divide the square into 2 triangles. Is it possible for her

Vika [28.1K]

No. Since you can only draw from the corners to get triangles, you will end up with two right triangles because of the corners. If it is a right triangle, it can obviously not be obtuse.

6 0

4 years ago

Find the quotient of 90 over -10

vodka [1.7K]

90/-10

= 9/-1

= -9

So, -9 is the quotient.

3 0

3 years ago

Read 2 more answers

What is the discriminant of the polynomial below 2x^2+5x-8

Mademuasel [1]

Answer:

89 2 irrational roots

Step-by-step explanation:

The discriminant Is b²-4ac when the equation is in the form

ax²+bx+c so in the equation

a=2 b=5 and c=-8

plug into the equation for the discriminant

so 5²-4(2)(-8)

25-(-64) 2 negatives make a positive so

25+64=89

since 89 isn’t a perfect square 2 irrational roots

4 0

3 years ago

A furniture store has a sale during which the sale price of the sofa is 1/3 off its original price the original price of the sof

riadik2000 [5.3K]

Answer:

Step-by-step explanation:

Since the original price of the sofa is 1,029.00 and the sale price of the sofa is 1/3 the original price, it means that the sale price is

1/3 × 1029 = 343

A customer can get an additional 5%off discount off the sale price for paying with cash. This means that the amount that this customer would pay since he is paying cash is

343 - (5/100 × 343) = 325.85

Since at checkout, a 6.5% sales tax on the final price is added to the cost of the sofa, then the total cost of the sofa for this customer is

325.85 + (6.5/100 × 325.85) = 347.03025

5 0

3 years ago

What is the meaning of descending​

What is the meaning of descending