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Tatiana [17]
3 years ago
13

Please answer this will mark brainliest

Mathematics
1 answer:
weeeeeb [17]3 years ago
7 0
Fourth line in 3rd section
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The perimeter of a rectangle is 52 m. If the width were doubled and the length were increased by 17 m, the perimeter would be 96
Alexeev081 [22]

Let w,h be the dimensions of the rectangle. If the original perimeter is 52, we deduce that

2(w+h)=52 \iff w+h=26

Doubling the width and increasing the length by 17 leads to a new perimeter of

96=2(2w+(l+17))=4w+2l+34 \iff 4w+2l=62

From the first equation, we know that (for example) w=26-l

Plug this in the second equation to get

4(26-l)+2l=62 \iff 104-4l+2l=62 \iff -2l=-42 \iff l=21

So, the original length was 21, which implies that the original width was

w=26-l=26-21=5

7 0
3 years ago
Factorize x^3 +x^2-4x-4​
guapka [62]
X^3+x^2-4x-4
x^2•(x+1)-4(x+1)
(x+1)•(x^2-4)
= (x+1)•(x-2)•(x+2)
5 0
3 years ago
Will give brainiest pls help!
kodGreya [7K]

Step-by-step explanation:

given,

x² + y² = 40

2xy = 24

(x + y)² = x² + 2xy + y²

so,

40 + 24 = 64

therefore option C is correct

hope this answer helps you dear!

3 0
3 years ago
Read 2 more answers
On a coordinate plane, a line is drawn from point a to point b. point a is at (negative 8, negative 13) and point b is at (4, 11
vladimir2022 [97]

The coordinate for point P which is one-third the length of the line segment from a to b is (-4, -5)

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Point a is at (-8, -13) and point b is at (4, 11). Hence the coordinates for point p(x, y) which is one-third the length of the line segment from a to b is:

x=\frac{1}{3}(4-(-8))+(-8)=-4\\ \\y=\frac{1}{3}(11-(-13))+(-13)=-5

The coordinate for point P which is one-third the length of the line segment from a to b is (-4, -5)

Find out more on equation at: brainly.com/question/2972832

#SPJ4

7 0
2 years ago
Solve and check for m<br><br> What does m=
Pepsi [2]

Answer:

The answer to your question is: <em>m = 3</em>

8 0
4 years ago
Read 2 more answers
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