2 years ago

Which ratio is equal to 27 : 81?

Mathematics

1 answer:

Elena-2011 [213]2 years ago

6 0

Answer:

3:9 u can reduce it again to 1:3

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Mark had 285 pencils in five boxes. He needed to put an equal number of pencils in each box. use the area model below to find th

Levart [38]

Simply divide 285 by 5

5 0

2 years ago

(5i^{2} -3) * (6i *2^{6})

Rus_ich [418]

i^2 = -1

Replace i^2 with -1 and simplify:

(5(-1) - 3) * (6i*2^6) =

(-5 - 3) * (6i * 64) =

-8 * 384i =

-3072i

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3 years ago

Dexter has a gift card for $20.00 to an electronics store. He also has a coupon for 25% off his entire purchase, so he will be p

svetlana [45]

Answer:

The linear equation that represent the situation is $x=20-0.75(10+2)$

The remaining balance on his gift card is $\$11$

Step-by-step explanation:

Let

x------> represents the remaining balance

we know that

The linear equation that represent the situation is equal to

$x=20-0.75(10+2)$

Solve

$x=20-0.75(12)$

$x=20-9$

$x=\$11$

3 0

2 years ago

Read 2 more answers

What is the area of a circle with a circuference of 12pie

vazorg [7]

---------------------------------------------
Find Diameter :
---------------------------------------------
Circumference = πD
πD = 12π
D = 12

---------------------------------------------
Find Radius :
---------------------------------------------
Radius = Diameter ÷ 2
Radius = 12 ÷ 2
Radius = 6

---------------------------------------------
Find Area :
---------------------------------------------
Area = πr²
Area = π(6)²
Area = 36π or 113.10 units² (nearest hundredth)

---------------------------------------------
Answer: Area = 113.10 unit²
---------------------------------------------

8 0

2 years ago

Let f(x) = 5x^3 -2x and g(x) =3x^3. Find f(x) * g(x) & state the domain

Sedbober [7]

Answer:

f(x) × g(x) = 15x^6 - 6x^4

Step-by-step explanation:

hello :

f(x) = 5x^3 -2x and g(x) =3x^3.

f(x) × g(x) = 3x^3(5x^3 -2x) = 15x^6 - 6x^4

6 0

2 years ago