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3 years ago

Which of the following expresses 16 + 36 by using the GCF of the two numbers?

2 answers:

7 0

Make a list of the factors for both numbers and see the smallest common factor. Put that on the outside of parenthesis. Add the other number in the factor pair in the parenthesis for both numbers.

4(4 +9)

Murljashka [212]3 years ago

5 0

Answer is <span> 4(4 + 9) (first choice)

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A soccer ball was kicked in the air and follows the path h(x)=−2x2+1x+6, where x is the time in seconds and h is the height of t

madam [21]

The ball will hit the ground at 2 seconds.

Step-by-step explanation:

Given that,

The path of the ball = h(x)=−2x2+1x+6

Here,

x is the time while h is the height of ball.

When the ball will hit the ground, the height will become zero. Therefore,

h(x)=−2x2+1x+6

0 =−2x2+1x+6

2x2 -1x - 6 = 0

This is a quadratic equation, hence by applying quadratic equation formula:

$x = \frac{-b +- \sqrt{b^{2} - 4ac } }{2a}$

here,

a = 2

b = -1

c = -6

Putting these values in formula, we get

$x = \frac{-(-1) +- \sqrt{-1^{2} - 4.2.-6 } }{2.2}$

$x = \frac{1 +- \sqrt{1 + 48 } }{4}$

$x = \frac{1 +- \sqrt{49 } }{4}$

$x = \frac{1 +- 7 }{4}$

x = 2, -3/2

As the time cannot be negative. Therefore, the ball will hit the ground at 2 seconds.

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3 years ago

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your $440 gets 5.8% interest compounded annually for for 8 years what will your $440 be worth in 8 years l?

Dmitriy789 [7]

Answer:

The answer is $690.78

Step-by-step explanation:

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2 years ago

Which two whole numbers are closest to 42 square root

malfutka [58]

Answer:

The two numbers are 36 (62) and 49 (72).

Step-by-step explanation:

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2 years ago

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What is the difference between 2.6 m and 108 cm?

sashaice [31]

Answer:

A centimeter is 1/100th of a meter. It would take the length of 100 cm to equal the length of a single meter. A centimeter is equivalent to 0.39 inches. ... A meter is equal to 3.28 feet, 1.09 yards or 0.00062 miles.

Step-by-step explanation:

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2 years ago

Round the numbers in each expression to the nearest whole number.

blsea [12.9K]

Answer:

(9a4 + 2a2 + 5) – (16a4 – 7a2 + 1)

A. 25a4 – 5a2 – 4

B. –7a4 – 5a2 + 6

C. 25a8 + 9a4 + 6

D. –7a4 + 9a2 + 4

5.Multiply 9x2(2x2 + 8x).

A. 18x4 + 72x3

B. 18x2 + 72x3

C. 11x4 – 17x3

D. 90x4

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2 years ago