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Elenna [48]
3 years ago
15

Find the coordinates of the point 7/10 of the way from A to B A=(-4,-7) B=(12,5)p

Mathematics
1 answer:
mars1129 [50]3 years ago
4 0

Answer:

a=(-3,-6) and b=(12,4)

from -3 to 12 is 15 units

7/10 * 15=10.5

add 10.5 to -3 to get 7.5 for the x-coordinate

from -6 to 4 is 10 units

7/10 * 10=7

add 7 to -6 to get 1 for the y-coordinate

the point 7/10 of the way from a to b is (7.5,1) ANSWER

graph these points to check your answer (the point (7.5,1) is on the line segment AB))

also, the distance from a to b is 18.0277

7/10 of this is 12.62

the distance from (-3,-6) to (7.5,1) is also 12.62

Step-by-step explanation:

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I need help on this one thanks!!
mart [117]

Answer:

CU = 12

Step-by-step explanation:

Clearly from the diagram of the triangle we can say that,

AD, BE and CF are the medians of the triangle ABC , since they are bisecting the sides of the triangle equally.

Also , U is the intersection point of the these mediands of the triangle whic is known as centroid of the triangle.

Now, from the property of the centroid , centroid divides the median in the ratio of 2 :1 from the point C .

Thus CU will be \frac{2}{3} times of CF (median) .

Given is Cf equals 18 ,

Thus , CU = \frac{2}{3}×18 = 12.

So, CU equals 12 .

8 0
3 years ago
write an equation in slope intercept form of a line that passes through the point (14, 8) and is (a) parallel (v) perpendicular
svet-max [94.6K]

Answer:

y-8=-\frac{7}{3} (x-14)

Step-by-step explanation:

We can write the equation of a line in 3 different forms including slope intercept, point-slope, and standard depending on the information we have. We have a point and a slope from the equation. We will chose point-slope since we have a point and can find the slope.

Point slope:y-y_1=m(x-x_1)

We must find the slope using the slope formula.

Slope:m=\frac{y_2-y_1}{x_2-x_1}

We substitute x_1=4\\y_1=9 and x_2=-3\\y_2=6

m=\frac{6-9}{-3-4}

m=\frac{6-9}{-3-4}=\frac{-3}{-7} =\frac{3}{7}

m\neq \frac{3}{7} in our new equation because it is perpendicular to it. This means we will need to change it into its negative reciprocal which is m=-\frac{7}{3}.

We will substitute m=-\frac{7}{3} and x_1=14\\y_1=8.

y-8=-\frac{7}{3} (x-14)

This is the equation of the line perpendicular to the equation line through the points given that crosses through (14,8).


5 0
3 years ago
Could anyone help me on this? Thanks.
djverab [1.8K]

Answer:

C i think

Step-by-step explanation:

Because length × width × height and when you multiply you get 4.5 or 4 1/2

im so sorry if i'm wrong

5 0
3 years ago
Read 2 more answers
GIVING BRAINLEZST ANSWERR FAST!!!
Alex Ar [27]

Answer:

B- $38.00

Step-by-step explanation:

Since there are two adults, you would multiply the cost of adults by number of adults. in this case that would be $10.75 x 2= $21.50. do the same for the kids and you will get $5.50 x 3 = $16.50. add 16.50 and 21.50 and you will get $38.00 which is your answer

hope this helped :D

4 0
3 years ago
How do you solve this -6 ÷[-3/4]=?
sergij07 [2.7K]

The rule to use: when dividing fractions, invert and multiply.

-6 ÷ -(3/4) equals -6 * -(4/3) which equals 24 / 3 which equals

8


7 0
3 years ago
Read 2 more answers
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