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vova2212 [387]
3 years ago
8

the altitude is drawn from the vertex angle of an isosceles triangle and is 15 cm long, if the base of the triangle is 16 cm lon

g, how long are the legs?
Mathematics
1 answer:
erastovalidia [21]3 years ago
5 0
They are about 400cm long just make sure u put that
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zimovet [89]
I believ it’s 6. I’m not sure
5 0
3 years ago
Find the equation of the line through ( - 10, - 8) that is perpendicular to the line through (10,6), (5,5).
Furkat [3]

Answer:

y=-5x-58

Step-by-step explanation:

The equation of a line in slope-intercept form is y=mx+b where m is the slope and b is the y-intercept.

Perpendicular lines have opposite reciprocal slopes.

Anyways we need to find the slope of the line going through (10,6) and (5,5).

To find the slope, we are going to line up the points vertically and subtract vertically, then put 2nd difference over 1st difference. Like so:

 (  10   ,   6)

- (   5   ,   5)

------------------

    5         1

So the slope of the line through (10,6) and (5,5) is 1/5.

The slope of a line that is perpendicular will be the opposite reciprocal of 1/5.

The opposite reciprocal of 1/5 is -5.

The line we are looking for is y=-5x+b where we need to find the y-intercept b.

y=-5x+b goes through (-10,-8)

So we can use (x,y)=(-10,-8) to find b in y=-5x+b.

y=-5x+b with (x,y)=(-10,-8)

-8=-5(-10)+b

-8=50+b

Subtract 50 on both sides:

-8-50=b

-58=b

So the equation is y=-5x-58

4 0
3 years ago
Which problem is equivalent to 12/18
Olenka [21]

Answer:

B

Step-by-step explanation:

5 0
3 years ago
Marissa bought 3 movies for $9.99 each and 2 video games for $14.99 each. These prices included tax .she gives the cashier $70.0
oksian1 [2.3K]

Answer:

10.05

Step-by-step explanation:

9.99+9.99+9.99+14.99+14.99

=59.95

70-59.95

=10.05

4 0
3 years ago
Read 2 more answers
3. Which property justifies rewriting
Maksim231197 [3]
B distributive property
7 0
3 years ago
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