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
Goryan [66]
3 years ago
7

PLZZZZZZZZZZZZ HELP!?!?!??!?!?! What is the length of BC¯¯¯¯¯ ?

Mathematics
2 answers:
myrzilka [38]3 years ago
5 0
The length of BC is 36. It is 36 because it includes BD and DC and BD and DC are equal to 18 so you have to add BD and DC to get 36.
olganol [36]3 years ago
4 0

According to the markings, BD = DC. From this fact

BD = DC

BD + DC = BC

18 + 18 = BC

BC = 36 <<<<<< Answer

You might be interested in
Mrs. Jones asked Janae which perfect square comes between 100 and 144. Janae said that 120 is the perfect square becau
Fantom [35]

Answer:

Its the first option.

Step-by-step explanation:

120 is not a perfect square.

Its close to one though - 121 is a perfect square ( 11 * 11 = 121).

8 0
3 years ago
Solve this problem using substitution
Sergeeva-Olga [200]
Solving for (x,y)
(x-y=8)
(x=y-8) & (y=x-8)

solving for (y,x)
(2y=2x-16)
(y=x-8)&(x=y+8)


6 0
3 years ago
A test to determine whether a certain antibody is present is 99.1​% effective. This means that the test will accurately come bac
avanturin [10]

Answer:

The probability that all the six people will test negative for the antibody is 0.9472.

The probability that the test comes back positive for at least one of the six ​people is 0.0528

Step-by-step explanation:

Consider the provided information.

probability that antibody is present will be effective is 99.1​% and not present​ is 99.1​% of the time.

Part (A)What is the probability that the test comes back negative for all six ​people? ​

Let P(X)= P(Antibody not present)

We want test comes back negative for all six that means antibody is present for all six. Thus X=0

P(X=0)=0.991\times0.991\times0.991\times0.991\times0.991\times0.991\\P(X=0)=0.9472

The probability that all the six people will test negative for the antibody is 0.9472.

Part (B) What is the probability that the test comes back positive for at least one of the six ​people?

P(X \geq1)=1-P(X=0)

P(X \geq1) = 1-0.9472

P(X \geq1) = 0.0528

Hence, the probability that the test comes back positive for at least one of the six ​people is 0.0528

7 0
3 years ago
Which number sentence could be used to solve this problem?
galina1969 [7]

Answer:

45 ×6 = y because each one strip is 6 inches long and you have 45 of them

3 0
3 years ago
Read 2 more answers
Pls help it is too hard​
ozzi
U have to substitute in the values of x to get the values of y

answers in order from left to right:
4.5, 4, 3.5, 3, 2.5, 2

ex of solving process:
x+2y=7
(-2)+2y=7
2y=9
y=4.5
3 0
2 years ago
Read 2 more answers
Other questions:
  • The school playground is in the shape of a pentagon. There is a drinking fountain at each of the 5 corners of the playground. Th
    10·1 answer
  • Write 87.5% as a fraction in simplest form
    9·1 answer
  • Find the distance between the points (1, 7) and (10, 1)<br> Please help:)
    13·1 answer
  • What is the common factors of 20,25,40?
    8·1 answer
  • Fiona, Peter and Angad share some sweets in the ratio 4:5:1. Fiona gets 40 sweets. How many sweets are there altogether?
    7·2 answers
  • A chord of a circle is 66cm long, it is 56 cm from the center of the circle. What is the radius of the circle?
    5·1 answer
  • Which expression is the correct translation for the following word phrase?
    6·2 answers
  • Rudgolf goes to a store looking to buy comic books and CDs. Comic books cost 15 each and cds cost 10
    12·2 answers
  • 2 L = _____ ml can someone help? :((
    6·2 answers
  • 3 1/10s=6 1/5 What s equals to?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!