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2 years ago

4.5+(2×2.5)^2-6=? show work please

Mathematics

2 answers:

Viefleur [7K]2 years ago

8 0

I just did the answer

Ainat [17]2 years ago

5 0

Try using P.E.M.D.A.S,it will make the problem much easier:(make sure you do each step in order.)

P:Parenthesis,solve the equation in the parenthesis first.

E:Exponants,solve the exponants,if they're are none,you can skip this step.

M:Multiplication,Multiply any numbers that need to be multiplied.

D:Division,divide,if there is nothing to divide,you may skip this step.

A:Addition,add and solve for a sum.

S:Subtraction,subtract any numbers that need to be subtracdted.

If this did not help or seemed confusing,i strongly suggest you look it up on the internet or ask your teacher about P.E.M.D.A.S,it makes problems much easier to solve. :)

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Factor the expression below. x3 − 27

Gekata [30.6K]

Well, the formula is: (a-b)(a^2+ab+b^2)therefore the answer would be: (x-3)(x^2+3x+9)hope this helps

4 0

3 years ago

Read 2 more answers

Suppose we have a right triangle with legs of length a and b and hypotenuse of length c. Suppose b=3 and c=5. Then a= , For the

ANTONII [103]

Answer:

Length of right-angle triangle 'a' = 4

$sin(A) = \frac{opposite side}{Hypotenuse} = \frac{a}{c} = \frac{4}{5}$

$cos(A) = \frac{Adjacent side}{Hypotenuse} = \frac{b}{c} = \frac{3}{5}$

$tan(A) = \frac{opposite side}{Adjacent side} = \frac{a}{b} = \frac{4}{3}$

Step-by-step explanation:

Step(i):-

Given b = 3 and hypotenuse c = 5

Given ΔABC is a right angle triangle

By using pythagoras theorem

c² = a² + b²

⇒ a² = c² - b²

⇒ a² = 5²-3²

=25 - 9

a² = 16

⇒ a = √16 = 4

The sides of right angle triangle a = 4 ,b = 3 and c = 5

Step(ii):-

$sin(A) = \frac{opposite side}{Hypotenuse} = \frac{a}{c} = \frac{4}{5}$

$cos(A) = \frac{Adjacent side}{Hypotenuse} = \frac{b}{c} = \frac{3}{5}$

$tan(A) = \frac{opposite side}{Adjacent side} = \frac{a}{b} = \frac{4}{3}$

7 0

2 years ago

Find the surface area of the rectangular prism

frutty [35]

Answer:82

Step-by-step explanation:

surface area=pxh + 2xb

p=perimeter of base

h=height

b=area of base

Perimeter of base=7+7+2+2=18

height=3

base area=7x2=14

surface area=18x3+2x14

Surface area=82

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2 years ago

Describe a ways car manufacturers try to reduce drag and why

topjm [15]

Answer:

by alternating the density of the air and the vehical's speed.

Step-by-step explanation:

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2 years ago

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Arrange the polynomial so that the powers of x are in descending order.

Aleonysh [2.5K]

8x - 9x²y + 7y² - 2x⁴
-2x⁴ - 9x²y + 8x + 7y²

3 0

2 years ago