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Sonbull [250]
3 years ago
8

When the perimeter of a rectangle is 68ft. and the ratio of it's length to it's width is9:8. What are the dimensions of the rect

angle and how do you come about the answer?
Mathematics
2 answers:
Andrews [41]3 years ago
7 0
Rectangle's perimeter formula is p=2(length+width)
2(9x+8x)=68
17x=34
x=2
length is 9(2)=18 feet
width is 8(2)=16feet

jeka943 years ago
4 0

Answer:

length is 9(2)=18 feet

width is 8(2)=16 feet

Step-by-step explanation:

rectangular perimeter formula is length plus width

2 ( 9x +  x ) = 68

17x = 34

x = 2

please rate and mark brainiest if this helped.

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10x4thousands=______thousands=
Zepler [3.9K]
The answer is 40 thousands
7 0
3 years ago
(4x3 + x2 - 9) - (- 5x3 + 7x - 16)
scoray [572]

Answer:

34-5x

Step-by-step explanation:

(12+2x-9)-(-15+7x-16)

(3+2x)-(-31+7x)

3+2x+31-7x

34-5x

8 0
2 years ago
Read 2 more answers
HELP ASAP. Teacher didnt teach us this.
mina [271]

Answer:

A = 624

B = 14.76 or 14.8 or 15inches

Standard form in polynomial for Area = 26 x 24 = .624in^2.....

2(5 + 8) x 2( 5 + 7)

26 x 24 = 624 in^2

This is because the rectangle width indifference is 1/10th of the length measuring 2inches more, then we see both sides of the frame are equal to 2inches and match this measure for x = 2inches both width and length. We add 4 to each side 22 x 20 + 4x^2 we separate 4x^2 into 4x both sides, this has become 26 x 24 = 624in^2

as 4 was added each side.

Question 2.  

We find the width is shown left to right in rectangles, they are the sides.

So Area 4 x 24 = 96in^2

or 6.5 of the 24 = 24/6.5 = 3.69 inches

26 /6.5 = scale of 6.5: 26 = 4 inches

Therefore Area = 3.69 x 4 = 14.76

if it was square frame it would be 16inches

Go for 14.76in^2 as ithe question says 4 inches and it becomes, a replaced width only and it must be still to scale as shown above with 24/6.5 = 3.69  so 3,69 x 4 = 14.76. Last resort would be that the length as kept at 24 x 4 = 96 and in this response it does exactly what the question asks the width changes only.

5 0
3 years ago
If angle x and angle y form a linear pair then they are ______ (Congruent, Complementary, Supplementary) ???
Law Incorporation [45]

Answer:

They are supplementary.

Step-by-step explanation:

If two angles form a linear pair, the angles are supplementary.

4 0
3 years ago
A number increased by three is the same as quadrupling that number increased by five all divided by four. What is le number?
IrinaVladis [17]

Answer:

The number is infinity

Step-by-step explanation:

Let the unknown number be x

if the number increased by three, then we have;

x + 3

Also quadrupling that number increased by five all divided by four is expressed as;

(4x+5)/4

Equating bith expressions and calculating x;

x+3 = (4x+5)/4

cross multiply;

4(x+3) = 4x + 5

4x+12 = 4x + 5

4x-4x = 5 - 12

0x = -7

x = -7/0

x = ∞

Hence the number is infinity

5 0
2 years ago
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