3 years ago

Please help me I don't remember doing this at high school

Mathematics

1 answer:

Aleks04 [339]3 years ago

4 0

X=3 y=4. AB=DC. BC=AD

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Find the coordinates of P so that P partitions the segment AB in the ratio 6:2 if A(−4,12) and B(9,−4).

Jobisdone [24]

ANSWER

B. (5.75, 0)

EXPLANATION

If the point P(x,y) partitioned

$A(x_1,y_1)$

and

$B(x_2,y_2)$

in the ratio m:n, then

$x = \frac{mx_2+nx_1}{m + n}$

$y=\frac{my_2+ny_1}{m + n}$

If the coordinates are A(−4,12) and B(9,−4), then:

$x = \frac{6 \times 9+2 \times - 4}{6 + 2}$

$x = \frac{54 - 8}{8}$

$x = \frac{46}{8}$

$x = 5.75$

$y= \frac{6 \times - 4+2 \times 12}{6 + 2}$

$y = \frac{24 - 24}{8}$

$y = \frac{0}{24} = 0$

The correct choice is

$B. (5.75, 0)$

3 0

3 years ago

Whose statement makes sense? Whose statement is nonsense?

Sergio039 [100]

There are 8 pints in a gallon. So Zack’s statement is nonsense. Angela’s makes sense. 1 pint = 1/8 of a gallon.

7 0

3 years ago

Suppose the equation for line A is given by the equation y=--- 2. Ifline A and line B are perpendicular and the point (-4,1) lie

nignag [31]

Answer:

Not sure sorry

Step-by-step explanation:

not sure

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3 years ago

I need this before tomorrow I suck at math :( "is 6 centimeters greater than 5% of a meter?"

creativ13 [48]

5% of a meter is .05 m which is 5 cm. This is less than 6cm

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4 years ago

justin is 10 years less than half his father's age. if justin is 12 years old, how old is his father?

postnew [5]

Make an equation:

J = 1/2F - 10

Where 'J' represents Justin's age and 'F' represents his Father's age.

Plug in 12 for J:

12 = 1/2F - 10

Add 10 to both sides:

22 = 1/2F

Divide 1/2 to both sides or multiply by its reciprocal, 2:

F = 44

5 0

4 years ago

Read 2 more answers