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Alexeev081 [22]
3 years ago
7

Help on this question please I don’t understand

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
8 0
B is 50. All the angles of a triangle add up to 180. You just have to do 180-(97+33)
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You randomly select an integer from 0 to 9 (inclusively) and then randomly select and integer from 0 to 7 what is the probabilit
mezya [45]
<h3>Answer:  1/80</h3>

Reason:

Set A = {0,1,2,3,4,5,6,7,8,9}

Set B = {0,1,2,3,4,5,6,7}

The probability of getting a "2" from set A is 1/10 since there is one copy of "2" that we want out of ten values total.

The probability of getting a "2" from set B is 1/8 for similar reasoning. This time there are eight numbers in this set.

Multiply those fractions mentioned (1/10)*(1/8) = 1/80

This fraction converts to the exact decimal value of 0.0125, meaning there's exactly a 1.25% chance of getting "2" twice in a row.

7 0
2 years ago
Which of the following have a frequency factor of b = 1?
icang [17]
Period =2r /b
assume frequency factor meaning angular frequency "b"
then
2r= 2r/b => b=1
A. sine function whose period 2pi radians
5 0
3 years ago
Read 2 more answers
What are the similarities and differences between these data sets in terms of their centers and their variability?
Nana76 [90]
For the first answer: greater than. The second answer: A.
3 0
4 years ago
Complete the two-column proof using the answers in the bank. Given: DF ≅ EF FG bisects ∠DFE Prove: ∆DFG ≅∆EFG
iragen [17]

Answer:

Reasons:

1. Given

2. Given

3. Definition of bisector

4. Reflexive property

5. SAS Congruence

Step-by-step explanation:

This is quite easy to solve. All that you're expected to do is to complete the reason that justifies each statement given in the two-column proof.

Let's complete the proof as follows:

1. Statement: DF \cong EF

1. Reason: Given

We know this statement is true because we are given in the question.

2. Statement: FG bisects <DFE

2. Reason: Given

We also know this because we are told so in the question, as shown in the diagram given.

3. Statement: \angle 1 \cong \angle 2

3. Reason: Definition of bisector

We know this because an angle bisector divides an angle into two equal halves. Therefore, the definition of bisector justifies why it was stated that \angle 1 \cong \angle 2

4. Statement: \overline{FG} \cong \overline{FG}

Reason: Reflexive property.

5. Statement: ∆DFG \cong EFG

5. Reason: SAS Congruence

Two sides (DF and FG) and an included angle (angle 1) of ∆DFG is congruent two corresponding sides (EF and FG) and an included angle (angle 2) of ∆EFG. Therefore, ∆DFG \cong EFG by the Side-Angle-Side (SAS) Congruence Theorem.

4 0
3 years ago
WORTH 25 POINTS AND WILL MARK BRANLIEST Write an expression that can be used to determine the final cost of the cards. ThE ANSWE
vlada-n [284]

Answer: ...

Step-by-step explanation: I will rather let you use a variable and solve (for example: x!

6 0
3 years ago
Read 2 more answers
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