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3 years ago

I need help! I can’t get this one solved correctly

Mathematics

1 answer:

aalyn [17]3 years ago

8 0

If you can read the chicken scratch there is your answer. Hope this helps!

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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

Barry has 18 more marbles then Heidi. If Barry has 92 marbles, write and solve an equation to determine the number of marbles He

Effectus [21]

92-18=74

Heidi has 74 marbles.

Self Check: 74+18=92

7 0

3 years ago

Read 2 more answers

21. The area of a triangle with a base of 12 cm and a height of 9.6 cm

Nastasia [14]

The equation for area of a triangle is A= 1/2bh so a=1/2(12cm)(9.6cm)

4 0

2 years ago

Find the distance x rounded to the nearest tenth.

anyanavicka [17]

Answer:

$x=0.1 ~ft$

Step-by-step explanation:

$cot30=\frac{B}{H} =\frac{B}{H}$

$\frac{\sqrt{3} }{2} =\frac{B}{H}=H=\frac{16}{\sqrt{3} }$

$sin70=\frac{X}{H} =\frac{P}{H}$

$sin70=\frac{x}{\frac{16}{\sqrt{3} } }$

$x=\frac{\sqrt{3} }{16 ~sin70}$

$=0.1152$

$x=0.1$

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

hope it helps

have a great day!!

6 0

3 years ago

Read the picture above

Romashka-Z-Leto [24]

Vitvivuc vrivdfdxfdddxgtdcgyimbfdd

5 0

2 years ago