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zloy xaker [14]
3 years ago
6

The length of a rectangle is 3 cm greater than it's width. The area of the rectangle is 40 cm². Find the length and width of the

rectangle.

Mathematics
1 answer:
ki77a [65]3 years ago
4 0
I hope this helps you

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Xavier walked 8 miles in 5 hours. What was his walking rate in miles per hour?
inna [77]

Answer:

0.6 miles per hours per hour

Step-by-step explanation:

Simply divide 5 by 8

your answer: 0.6 miles per hour.

7 0
3 years ago
Solve the following equation by factoring 2x^2-5x-12=0
Korolek [52]
Answer: x = 4 and x = -3/2

Procedure:

1) Given: 2x^2 - 5x - 12 = 0

2) Multiply both sides by : 2(2x^2) - 2(5x) - 2(12) = 0

3) Rearrange: (2x)^2 -5(2x) - 24 = 0

4) Notice that the common factor is (2x)

5) Set the parenthesis with the common factor inside:

(2x     ) (2x     ) =0

6) The first sign is the same sign of the second term of the trinomial, which is negative, the second sign is the product of the signs of the second and the third terms of the polynomial, which is (-)*(-) = + (positive)

(2x - )(2x + ) = 0

7) find two numbers that sum up - 5x and its product is -24.

- 8 + 3 = - 5
(-8)(+3) = -24

=> the numbers in the factors are -8 and +3

(2x - 8) (2x + 3) = 0

That is the factored equation. Now you can solve

8) a) 2x - 8 = 0 => 2x = 8 => x = 8/2 => x = 4

b) 2x + 3 = 0 => 2x = - 3 => x = - 3/2

Answer: the two solutions are x = 4 and x = -3/2
8 0
2 years ago
What will be the result if the y-intercept of the line shown is changed to an 8,
nataly862011 [7]

I’m on the same question rn and I need help.

4 0
2 years ago
Round 123361 to the nearest 1000
kogti [31]

Ans: 123000

because 3361 gets rounded to 3000

8 0
3 years ago
Read 2 more answers
What is the value of x?<br><br> a. 25<br> b. 12<br> c. 7<br> d. 5
s2008m [1.1K]
A^2+b^2=c^2
4 squared and 3 squared =25
square root of 25 is 5
answer is d
6 0
3 years ago
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