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2 years ago

The length of a rectangle is 1 7/9in., and its width is 3/4 of its length. Find the area of this rectangle.

Mathematics

1 answer:

DIA [1.3K]2 years ago

4 0

1.3 is the correct answer to your question

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For allnâˆˆNâ‰¥1(sonâ‰¥1), and usingweakinduction, prove that:nâˆ‘i=1i3=[n(n+ 1)2]2Note that this result means that the sum of t

kirill [66]

Answer:

Step-by-step explanation:

hello,

the question is not really clear. i believe the intended equation would be

$\sum_{k=1}^{k=n} k^3=\frac{(n(n+1))}{4}$

please check the attached file for the step by step proof.

8 0

2 years ago

ANSWER THESE QUESTIONS FOR 70 POINTS I NEED THESE PLEASE

Leto [7]

1) choice 3
2) commutative property
3) 12x + 8x -3x
common factor of x
x(12+8-3)
or
4x(3+2)-3x

8 0

2 years ago

Read 2 more answers

Find the surface area of the composite figure

Gnoma [55]

Answer:

$=280$ $in^2$

Step-by-step explanation:

----------------------------------------

Let's find the surface area of the pink rectangular prism first.

$2*10=20+20=40$

$4*10=40+40=80$

$4*2=8+8=16$

$40+80+16=136$

The surface area for the pink rectangular prism is $136$ $in^2$ .

-------------------->>>>>

Now, let's find the surface area of the green rectangular prism.

$4*7=28+28=56$

$4*4=16+16=32$

$56+56+32=144$

The surface area for the green rectangular prism is 144 $in^2$ .

-------------------->>>>>

Now let's add the surface area of both rectangular prisms to find the surface area of the composite figure.

$136+144=$

$=280$ $in^2$

----------------------------------------

Hope this is helpful.

6 0

2 years ago

Read 2 more answers

Silas just bought a used car for $5000. It loses value at a rate of 30% per year. The value of the car in n years is modeled by

Fantom [35]

Answer:

$1200.50

plug 5 for n

5000(.7)^4

5000*.2401

=1200.5

8 0

2 years ago

How do i solve this

Troyanec [42]

Answer:

f=11

Step-by-step explanation:

If t=7, we can substitute it into the original equation:

f=(2)(7)-3

Simplify:

f=14-3

f=11

<em>~Stay golden~ :)</em>

3 0

2 years ago