1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
BaLLatris [955]
2 years ago
9

In trapezoid ABCD with bases AB and DC , diagonals intersect at point O. Find the length of diagonal BD , if BO=6 cm and: AO/OC

= 3/1
Mathematics
1 answer:
aalyn [17]2 years ago
6 0

Answer:

8 cm

Step-by-step explanation:

... BO/OD = AO/OC = 3/1

Written another way, this is ...

... OD : BO = 1 : 3

Now, BD = OD + BO, so we have

... BD : BO = (OD +BO) : BO = (1 +3) : 3 = 4 : 3

That is, BD = 4/3 × BO

... BD = 4/3 × 6 cm = 8 cm

You might be interested in
What n+5n in simplest form
Alisiya [41]
N+5n in it simplest form is 6n if the variable is alone it counts as 1
8 0
3 years ago
Read 2 more answers
Please helpppp!!! Find the area of the irregular figure
OverLord2011 [107]

Answer:

The area of the figure is 143 sq in

Step-by-step explanation:

10 in * 7 in = 70 sq in

12 in * 4 in = 48 sq in

5 in * 5 in = 25 sq in

A = 70 sq in + 48 sq in + 25 sq in

A = 143 sq in

3 0
2 years ago
At an ocean depth of 8 meters, a buoy bobs up and then down 5 meters from the ocean's depth. Sixteen seconds pass from the time
lisov135 [29]

Answer:

  See attached for a graph

Step-by-step explanation:

We're going to plot sea level as y=0 and a depth of 8 meters as y=-8.

The problem statement tells you the initial point (x=0) is at normal ocean depth (y=-8), so the first point you put into your sine tool is ...

  (x, y) = (0, -8)

The buoy takes 16 seconds to go from a high point to a low point, so the time to the first high point is half that, or x=8 seconds. That high point is 5 meters above its average depth, so is at y=-3.

The second point you will put into your sine tool is ...

  (x, y) = (8, -3)

7 0
2 years ago
Another way to write 300 + 70 + 5/10 + 8/100
Alja [10]

Answer:

A. 370.58

Step-by-step explanation:

Hope that helps

8 0
2 years ago
what is the equation in slope form of the line that is parallel to the given line and passes through the point (-3,1)​
viktelen [127]

Answer:

D

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Calculate the slope of the given line using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 2, - 4) and (x₂, y₂ ) = (2, 2) ← 2 points on the line

m = \frac{2+4}{2+2} = \frac{6}{4} = \frac{3}{2}

Parallel lines have equal slopes and using (a, b) = (- 3, 1), then

y - 1 = \frac{3}{2}(x - (- 3)), that is

y - 1 = \frac{3}{2}(x + 3) ← in point- slope form

6 0
3 years ago
Other questions:
  • Suppose that rather than flipping a coin, one rolls a die. if the value is 1, 2, 3, or 4, the player wins $1. if it is 5 or 6, t
    7·1 answer
  • What is the solution to x2 + 10x + 28 = 0 when written in the form a ± bi?
    9·2 answers
  • Nic wants to divide his 1/4 lb of cheese between 8 friends. How much cheese does each friend get?
    14·2 answers
  • What is the midpoint of the horizontal line segment graphed below (-3,5) (5,5)​
    8·1 answer
  • Need an answer thanks
    8·1 answer
  • Please help me 60 points please show all work this is due in 15 minutes
    13·2 answers
  • use compound angle formulae to find sin 15 and cos 15 in form of [ surd a (surd b + c) ] . Hence, find tan 15 in the simplest su
    12·1 answer
  • Four-thirds times the sum of a number and 8 is 24. What is the number?
    7·2 answers
  • THIS IS A EMERGENCY IM FAILING so BADDD i fell off in 9th grade now im getting 50%
    9·1 answer
  • Where can i revise for my end of year maths assessment
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!