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kari74 [83]
2 years ago
9

Help pls i need help​

Mathematics
1 answer:
Setler [38]2 years ago
6 0

Answer:

3 x 5 x 4 da first one

Step-by-step explanation:

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Which are factors of x2 – 4x – 5?
Kitty [74]

Answer:

(x-5)(x+1)

Step-by-step explanation:

Since the highest power of x is 2, u can assume the equation to be (x +/- A) (x +/- B), whereby A and B are unknowns.

Since the coefficient of X^2 is 1, and the number in the equation is - 5, the only possible values for A and B to get - 5 is either - 5 and 1 or 1 and - 5.

Since coefficient of x is - 4 and number in equation is - 5, imagine inserting those numbers in the equation and cross multiplying back. You would realise that the answer should be as listed above.

7 0
3 years ago
How many millimeters is in 23 centimeters?
Natalka [10]

(23 centimeters) x (10 millimeters/1 centimeter) = <em>230 millimeters</em>

6 0
3 years ago
18=b/3+3 what's the solution
madam [21]

b= 63 and that is your answer


5 0
2 years ago
Read 2 more answers
What is the approximate area of the figure that is shaded in blue below?
Aleks [24]

Answer:

A: 48in2

Step-by-step explanation:

Area of a rectangle = Length x Width

The complete figure is rectangular in shape with:

Length = 11 in

Width = 5 in

Area = 11 x 5

Area = 55 in2

The pink part is triangular in shape with:

height = 4in

Base = 3.5 in

Area of a triangle = 0.5 x base x height

Area of the pink portion = 0.5 x 3.5 x 4

Area of the pink portion = 7 in2

Area of the blue portion = (total Area) - (Area of the pink portion)

Area of the blue portion = 55 in2 - 7 in2

Area of the blue portion = 48 in 2

Hope this help you!

8 0
3 years ago
Read 2 more answers
Barbara sells iced tea for $1.49 per bottle and water for $1.25 per bottle. She wrote an equation to find the number of bottles
yKpoI14uk [10]

Answer:

1.49x+1.25x=100

Step-by-step explanation:

5 0
2 years ago
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