3 years ago

Actually help pls people have been typing random stuff

Mathematics

2 answers:

Sindrei [870]3 years ago

8 0

Read, chores, hw (last option)

agasfer [191]3 years ago

3 0

Answer:

reading, chores, and then homework

Step-by-step explanation:

just accept it

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Point B is collinear with A and C and partitions AC in a 3:4 ratio. B is located at (4,1) and C is located at (12,5). Find the c

GrogVix [38]

Answer:

$A(-\frac{20}{3} ,-\frac{13}{3})$

Step-by-step explanation:

Point B partitions AC in a 3:4 ratio.

B is located at (4,1) and C is located at (12,5).

Let $(x_1,y_1)$ be the coordinates of A.

Then $(\frac{mx_1+nx_2}{m+n}, \frac{my_1+ny_2}{m+n})=(4,1)$

But m:n=3:4 implies m=3 and n=4 and $(x_2=12,y_2=5)$

$(\frac{3x_1+4*12}{3+4}, \frac{3y_1+4*5}{3+4})=(4,1)$

$(\frac{3x_1+48}{7}, \frac{3y_1+20}{7})=(4,1)$

$\frac{3x_1+48}{7}=4, \frac{3y_1+20}{7}=1$

$3x_1+48=28, 3y_1+20=7$

$3x_1=-20, 3y_1=-13$

$x_1=-\frac{20}{3} , y_1=-\frac{13}{3}$

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3 years ago

What is the scale factor?

Leni [432]

The scale factor is 5/3

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3 years ago

Michael has 225 milliliters of a liquid. To find out the number of grams of calcium in this liquid, Michael multiplies the volum

bija089 [108]

In mathematical operations with significant figures the answer must r<span>eflects the reliability of the least precise number. 225 has three significant figures, whereas 0.015 has two -leading zeroes are not significant figures, so our answer must have two significant figures to reflect the reliability of the number 0.015, which has two significant figures.
</span>
$225*0.015=3.4$

We can conclude that <span> the number representing the amount of calcium in the liquid will have two significant figures.</span>

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4 years ago

Whats 3 plus 4 times 3?

Mrrafil [7]

Answer:

3+(4*3)=15.....................

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3 years ago

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Three weeks ago John bought stock at 49 1/4 ; today the stock is valued at 49 7/8. We could say the stock is preforming at which

Blizzard [7]

1/4 is 2/8 so it would be going up

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4 years ago