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3 years ago

Which of these is equal to 5 (8 – t)? A) 5t - 40 B) 5t + 40 C) t - 40 D) 40 - 5t

Mathematics

2 answers:

lyudmila [28]3 years ago

8 0

Answer is D
8x5=40
5x-t=-5t

Aneli [31]3 years ago

6 0

Answer:

D) Is the correct answer 40 - 5t

Step-by-step explanation:

I hope that help's

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The perimeter of a rectangle is 72 cm. The length is 3 more than twice the width What

solmaris [256]

<h3>Solution</h3>

Given :-

Perimeter of rectangle = 72 cm
The length is 3 more than twice the width.

Find :-

Dimensions of rectangle

<h3 /><h3>Explantion</h3>

Using Formula

$\boxed{\underline{\tt{\red{\:(perimeter_{rectang}\:=\:2\times (Length+Width)}}}}$

Let,

Length of Rectangle = x cm
Breadth of Rectangle = y cm

According to question,

==> perimeter of Rectangle = 72

==> 2(x+y) = 72

==> x + y = 72/2

==> x + y = 36_________________(1)

Again,

==> x = 2y + 3

==> x - 2y = 3__________________(2)

Subtract equ(1) & equ(2)

==> y + 2y = 36 - 3

==> 3y = 33

==> y = 33/3

==> y = 11

keep in equ(1)

==> x - 2×11 = 3

==> x = 3 + 22

==> x = 25

<h3>Hence</h3>

Length of Rectangle = 25 cm
Width of Rectangle = 11 cm

<h3 />

7 0

3 years ago

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Fofino [41]

Answer:

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Step-by-step explanation:

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IRINA_888 [86]

The volume of the prism:
V = L x W x H,
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Answer:
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Answer:

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Step-by-step explanation:

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