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Thepotemich [5.8K]
3 years ago
15

Which is what is the answer that estimates the product of 3.09×304.87

Mathematics
1 answer:
Feliz [49]3 years ago
8 0

Answer:

900

Step-by-step explanation

That would be  3 * 300 = 900

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What is 10 to the 8th power multiplied by 30 subtract 3
IceJOKER [234]

Answer:

21

Step-by-step explanation:

4 0
2 years ago
13-12x+7x <br> Ive been trying to find the answer but i cant seem to do it right
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5 0
2 years ago
Determine whether the following lines represented by the vector equations below intersect, are parallel, are skew, or are identi
KiRa [710]

Answer:

r(t) and s(t) are parallel.

Step-by-step explanation:

Given that :

the  lines represented by the vector equations are:

r(t)=⟨1−t,3+2t,−3t⟩

s(t)=⟨2t,−3−4t,3+6t⟩

The objective is to determine if the following lines represented by the vector equations below intersect, are parallel, are skew, or are identical.

NOTE:

Two lines will be parallel if \dfrac{x_1}{x_2}= \dfrac{y_1}{y_2}= \dfrac{z_1}{z_2}

here;

d_1 = (-1, \ 2, \ -3)

Thus;

r(t) = \dfrac{x-1}{-1} = \dfrac{y-3}{2}=\dfrac{z-0}{-3} = t

d_2 =(2, \ -4, \  +6)

s(t) = \dfrac{x-0}{2} = \dfrac{y+5}{-4}=\dfrac{z-3}{6} = t

∴

\dfrac{d_1}{d_2}= \dfrac{-1}{2} = \dfrac{2}{-4}= \dfrac{-3}{-6}

Hence, we can conclude that r(t) and s(t) are parallel.

6 0
3 years ago
Which expression represents the algebraic phrase “twelve times the sum of a number and seven-tenths”? 12 y + StartFraction 7 ove
kykrilka [37]

Answer:

The answer is:

12 ( y+ \frac{7}{10})

this suits perfectly the description

7 0
3 years ago
Read 2 more answers
Hi, does someone know what this question is looking for?<br> There is no other instructions.
slamgirl [31]

Answer: 3y⁴(y² + 5)(y - 1)(y + 1)

<u>Step-by-step explanation:</u>

 3y⁸ + 12y⁶ - 15y⁴

= 3y⁴(y⁴ + 4y² - 5)

= 3y⁴(y² + 5)(y² - 1)

= 3y⁴(y² + 5)(y - 1)(y + 1)

7 0
3 years ago
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