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3 years ago

8

HELP ASAP PLEASE how can u round a decimal number to the nearest whole number?

2 answers:

yan [13]3 years ago

6 0

So basically the number after the decimal is not considered a whole number. A whole number is basically a number that does not have a decimal. So if this was your number, 678.710392, the whole number of that would be 679 because the number 7 after the decimal is greater than 5.

Vladimir79 [104]3 years ago

5 0

If the number (after the decimal) is 5 - 9, then add the whole number by 1.

If it is 1 - 4 only, then do not add anything to the whole number.

Example:

0.7

Since the number after the decimal is 7, and 7 is in the range of 5 - 9, then add 0 by 1.

0.7 ≈ 1.0

3.46

Since the number is 4, and is in the range of 1 - 4, then just stay it like that

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Use the dot product to determine whether the vectors are parallel, orthogonal, or neither. v = (sqrt)2j, w = 4i

svetoff [14.1K]

Hello,

As $\vec{i}*\vec{j}=0\\
\vec{v}*\vec{w}=\sqrt{2}*\vec{i}*4*\vec{j}=4*\sqrt{2}*0=0$
Vectors are orthogonal.

4 0

3 years ago

Read 2 more answers

Find the square root of 1764 using prime factorization with explanation and solution.

musickatia [10]

Answer:

42

Step-by-step explanation:

The product of the prime factors of 1764 is

1764 = 2² × 3² × 7² , thus

$\sqrt{1764}$

= $\sqrt{2^{2}(3^{2} )(7^{2} ) }$

= $\sqrt{2^{2} }$ × $\sqrt{3^{2} }$ × $\sqrt{7^{2} }$

= 2 × 3 × 7

= 42

4 0

3 years ago

Kelsey entered the triathlon at camp Meadowlark. The total distance was 15 11/16 miles. The bike segment was 12 1/4 miles, and t

Novay_Z [31]

Answer:

3/8 was the swimming segment!

Step-by-step explanation:

We only need to subtract the bike and running segment from the total distance:

15 11/16 - 12 1/4 - 3 1/16

15.6875 - 12.25 - 3.0625 = 0.375 = 3/8

5 0

2 years ago

Need help please. Thanks so much.

Bingel [31]

Answer:

$(-1,\frac{17}{6})$

$(3,\frac{3}{2})$

$(-5,\frac{25}{6})$

Step-by-step explanation:

The given equation is $2x+6y=15$

We substitute the ordered pairs to see which ones satisfies the equation.

For (-1,-8), we put x=-1 and y=-8 to get:

$2(-1)+6(-8)=^?15$

$-2+-48=^?15\\-50=^?15$

This is not true.

For $(-1,\frac{17}{6}))$ we put x=-1 and $y=\frac{17}{6}$ to get

$2(-1)+6*\frac{17}{6})=15\\ -2+17=15\\15=15$

This is true

For (3,3/2) we have 2(3)+6(3/2)=15

This implies 6+9=15

15=15

This is also True

For (-5,25/6), we have 2(-5)+6(25/6)=-10+25=15

This is also true.

8 0

3 years ago

Question 9 of 10

sleet_krkn [62]

Answer:

y = 51.32º

Step-by-step explanation:

z = 180 - 47 - 90

z = 43º

sin43 = opp/hyp

sin43 = 35/y

y = 35/sin43

y = 51.32º

8 0

3 years ago