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3 years ago

A rectangle has a width of 4 and a length of 6. Find its area.

Mathematics

2 answers:

Inessa05 [86]3 years ago

6 0

Answer :

Given - 

Width (w) = 4 cm.
Length (l) = 6 cm.

To find - 

Area of the rectangle.

Solution -

As we know that, A = wl

→ 4 × 6

→ 24 cm.

Therefore, the area of the rectangle is 24 cm.

Arte-miy333 [17]3 years ago

5 0

Answer:

Area = 24

Step-by-step explanation:

area = length x width

= 6 x 4 = 24

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Is f(x)=40-1.25x a function

poizon [28]

F(x) = 40 - 1.25x is a function.

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3 years ago

The sum of the first three terms of a sequence is 6 and the fourth term is 16

Sati [7]

Answer:

a₁ = -5, d = 7, a₂ = 2, a₃ = 9, a₄ = 16

equation of sequence: $\boxed{\bold{a_n=7n-12}}$

Step-by-step explanation:

a₁ + a₂ + a₃ = 6

a₁ + a₁ + d + a₁ + 2d = 6

3a₁ + 3d = 6

a₁ + d= 2 ⇒ a₁ = 2 - d

a₄ = 16

a₁ + 3d = 16

2 - r + 3d = 16

2d = 14

d = 7

a₁ = 2-7 = -5

a₁ = -5, d = 7 ⇒ a₂ = -5+7 = 2, a₃ = 2+7 = 9, a₄ = 9+7 = 16

equation of arithmetic sequence:

$a_n=a_1+d(n-1)\\\\a_n=-5+7(n-1)\\\\\underline{a_n=7n-12}$

6 0

2 years ago

Does 3 noncollinear points always from a triangle?

Lesechka [4]

Answer:

I'm pretty sure that is correct. 3 non collinear points always form a triangle.

5 0

2 years ago

Read 2 more answers

I'll mark the first correct answer brainliest. i only need the bottom question. thanks :)

tankabanditka [31]

Answer:

1/2x^2 -3

Step-by-step explanation:

The first equation is 1/2x^2 + 1 and since this equation is the first one minus 4 1-4= -3 so you would get this new equation.

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2 years ago

Order each set of integers from least to greatest. (15, 17, 21,6,3)

riadik2000 [5.3K]

Answer:

3,6,15,17,21

I hope this is good enough:

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2 years ago