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tigry1 [53]
4 years ago
8

What's the correct letter name for Ð1 below?

Mathematics
2 answers:
kvv77 [185]4 years ago
4 0
D. 1 is in angle ABC
qaws [65]4 years ago
3 0

Answer:

D. ∠ABC

Step-by-step explanation:

We are given a figure consisting of rays AB, CB and DB having a common end point B.

It is required to find the value of 1 marked in the figure.

As, we can see, 1 is representing the region between the rays AB and CB.

We know that, an 'angle' is a figure that joins two rays having one common end-point.

This gives that 1 represents an angle between AB and CB.

So, 1 is ∠ABC.

Hence, the correct letter for 1 is D.

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Identify which type of sampling is​ used: random,​ systematic, convenience,​ stratified, or cluster. To determine customer opini
Gennadij [26K]

Answer:

Cluster

Step-by-step explanation:

According to the Question,

  • Given this, Daimler−Chrysler randomly selects 100 service centers during a certain week and surveys all customers visiting the service centers.

This is a Cluster type of Sampling.

  • Cluster sampling is a type of sampling method in which the population under study is divided into different groups known as clusters before simple random samples are selected from each population cluster. The analysis of such a population is carried out based on the sampled clusters.
  • This method is adopted when a researcher does not have access to the whole population under research.

Advantages of cluster sampling

  • The research method only needs fewer resources.
  • The sample under review is feasible.

Note: Cluster sampling is not as accurate as simple or stratified random sampling.

4 0
3 years ago
What are the solutions to the equation? x2−14x=15 Enter your answers in the boxes. x = and
Mrrafil [7]
First put it in standard form:
<span>x^2 −14x -15 =0
a =1 b =-14 c=-15
Then use the quadratic formula:
x = [-b +-sq root (b^2 - 4ac)] / 2a
x = [--14 +- sq root (14^2 -4*1*-15] / 2*1
x = [14 +-sq root (196 +60)] / 2
</span><span>x = [14 +- 16] / 2
x1 = 15
x2 = -1


</span>
3 0
3 years ago
Read 2 more answers
Bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
chubhunter [2.5K]

Hello there! :)

First, we. must make sure that variables are on the left side of the equation and numbers are on the other side.

-x=-12-11

-x=-23

x=23

Hope it helps!

*********************

Brainliest?

5 0
3 years ago
Read 2 more answers
(4−1)(4+1)+2(−)<br><br> Can someone help me with this? It's supposed to be "Simplify the Equation"
Nikolay [14]
4-1=3 4+1=5+2=7 7-3=4. 4 is your answer
4 0
3 years ago
Which expression represents the volume of a cube whose edge length is 60 units?
Aleks [24]

Answer:

A

Step-by-step explanation:

Volume of a cube = Length x Width x Height

Since all the sides are equal length you just need to cube it.

60 x 60 x 60

7 0
3 years ago
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