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3 years ago

Estimate the mixed number 20by rounding to the nearest whole number or one-half.

Mathematics

2 answers:

skelet666 [1.2K]3 years ago

8 0

Answer:

20 3/20 rounds to 20

Step-by-step explanation:

ICE Princess25 [194]3 years ago

8 0

Answer:

Step-by-step explanation:

Depending on the level of accuracy you want,

20 3/20 rounds to 20 1/2 (nearest half) or to 20 (nearest whole number).

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(z+6)÷3=(2z)/4 Please solve for z

frosja888 [35]

(z + 6) / 3 = 2z / 4
this is a proportion, so we cross multiply
(3)(2z) = 4(z + 6)
6z = 4z + 24
6z - 4z = 24
2z = 24
z = 24/2
z = 12 <==

7 0

3 years ago

Read 2 more answers

If g(x) = 5x2^2 - 10x + 9 and h(x) = -3x3^3+ 5x - 6, find g(x) - h(x)?

AnnZ [28]

Answer:

B) $g(x) - h(x) = 3x^3 - 5x^2 - 15x + 15$

Step-by-step explanation:

Here, the given functions are:

$g(x) = 5x^2- 10x + 9 \\h(x) = -3x^3+ 5x - 6$

Now, g(x) - h(x) is :

$(5x^2- 10x + 9) - ( -3x^3+ 5x - 6)\\= 5x^2- 10x + 9 + 3x^3 - 5x + 6\\= 3x ^3 + 5x ^2+ (-10 x - 5 x) + (9 + 6)\\= 3x^3 - 5x^2 - 15x + 15$

⇒ $(5x^2- 10x + 9) - ( -3x^3+ 5x - 6) = 3x^3 - 5x^2 - 15x + 15$

B) Hence, $g(x) - h(x) = 3x^3 - 5x^2 - 15x + 15$

3 0

3 years ago

PLEASE HELP

Taya2010 [7]

Answer:

In pictures

Step-by-step explanation:

By the way, question 2 is same as question 1

5 0

3 years ago

What are the steps to(2x+3y)4

lilavasa [31]

(2x + 3y)4

Distribute

4*2x = 8x
4*3y = 12y

8x + 12y

Answer: 8x + 12y

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4 years ago

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Hii. if Lisa was going 9.2 miles from the store to her friends house then 7.9 to her grandmas house before going 5 miles to her

STALIN [3.7K]

Answer:

¹9.2

+7.9

¹ 17.1

+5.0

22.1

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3 years ago