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Rainbow [258]
3 years ago
12

Split the middle term: 72 + b - b^2​

Mathematics
2 answers:
jasenka [17]3 years ago
7 0

Answer:b(1-b)

Step-by-step explanation:

b-b^2

factorize the common terms

b

b(1-b)

Brrunno [24]3 years ago
6 0

Answer: 9b - 8b

Step-by-step explanation:

ou need two factors that you will multiply together to give you -72b^2 and at the same time when you add this two factors it will give you + b . Check; 9b X -8b = -72b^2 and 9b + (-8b) = b , that is why 9b and -8b are the factors and they will replace the middle value

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Find the value of x and m∠HKL.
frosja888 [35]

Answer:

x = 25 degrees   ∠HKL = 102 degrees

Step-by-step explanation:

The whole thing equals 180, since it is a straight angle

The value of HKL is 180 - 78 = 102

So that means 4x + 2 = 102

Subtract 2 from both sides:

4x = 100

Divide both sides by 4:

x = 25

5 0
3 years ago
70% in the SIMPLEST Form​
masya89 [10]

Answer:

7/100

Step-by-step explanation:

Find the GCD (or HCF) of numerator and denominator

GCD of 70 and 100 is 10

Divide both the numerator and denominator by the GCD

70 ÷ 10

100 ÷ 10

Reduced fraction:

7

10

Therefore, 70/100 simplified to lowest terms is 7/10.

4 0
3 years ago
The amount of radioactive uranium changes with time. The abscissas and ordinates of the points given are the time and amoung of
kakasveta [241]
The answer is <span>A. f(t) = 100(0.25)t
</span>
This may be solved by inserting all points to your answer and sseeing if they work. Since <span>A. f(t) = 100(0.25)t fits with all points, this best represents the relationship between f(t) and t.
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4 0
3 years ago
A rectangular garden has a length of 5x and a width of 6x + 15. If the perimeter of the garden is 250 m what is the value of X?
Iteru [2.4K]

Answer:

10

Step-by-step explanation:

8 0
3 years ago
• Solve the application problem.
musickatia [10]
Not sure what the length of the rectangle is but to find perimeter of a rectangle you can use the following formula

2w+2l= perimeter

The reason we multiply both the length and width by two is because there are two ends of the width and two ends of the length.

The other formula that would also work is as follows

w+w+l+l= perimeter


Hope it helps
3 0
3 years ago
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