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DedPeter [7]
3 years ago
11

You only need to answer one, check for answer to that question before you answer one

Mathematics
2 answers:
never [62]3 years ago
4 0

Answer:

4. 31

5. 60

6. 113

7. 36

Step-by-step explanation:

4. 180 - (59+90)

5. 180 - (65+55)

6. 180 - (39+28)

7. 180 - (36+108)

LiRa [457]3 years ago
3 0

Answer:

31 degrees (the first one)

Step-by-step explanation:

90 degree angle,

90-59=31

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Solve the following system by graphing. x + y - 6 = 0 x - y = 0 What is the solution of the system?
Svetlanka [38]

Answer:

y = x , y = 1/2x -1

y = 3x , y = -1/3x

y = x + 1 , y =x + 4

Step-by-step explanation:

This are the solution of the system

(z - 3)^3 =2i

x^3 - 8 = 0

(z + 6)^2 = 2i +4

HOPE THIS HELPS!!

3 0
3 years ago
Write 0.27 as a fraction
aniked [119]
The answer is: 27/100
4 0
4 years ago
Read 2 more answers
Leah and Christopher work at a dry cleaners ironing shirts. Leah can iron 25 shirts per hour, and Christopher can iron 15 shirts
jasenka [17]

25x + 15y = 265

x+y = 13

Step-by-step explanation:

Step 1:

Given

Number of shirts Leah can iron in an hour = 25 shirts

Number of shirts Christopher can iron in an hour = 15 shirts

Total number of hours worked by both = 13 hours

Total number of shirts ironed by them = 265 shirts

Step 2 :

Let x represent the number of hours Leah works and y represent the number of hours Christopher works

Leah irons 25 shirts in one hour, so in x hours he would iron 25x shirts

Christopher irons 15 shirts in one hour, so in y hours he would iron 15y shirts

Given total shirts ironed by them together is 265 , we have

25x + 15y = 265

They worked a combined of 13 hours, so

x+y = 13

Step 3:

The system of equations that could be used to determine the number of hours Leah worked and the number of hours Christopher worked are ,

25x + 15y = 265

x+y = 13

7 0
3 years ago
Events A and B are such that P(A) = 3 8 , P(B) = 2 7 and P(A ∩ B) = 1 7 Work out P(A|B)
tigry1 [53]

Answer:

\frac{17}{27}

Step-by-step explanation:

Given: Events A and B are such that P(A)=38\,,\,P(B)=27 and P(A∩B) = 17

To find: P(A|B)

Solution:

Probability refers to the chances of occurrence of any event.

An event is described as an outcome of a random experiment.

A random experiment is an experiment for which outcomes cannot be predicted.

P(A|B)= P(A∩B) ÷ P(B) = \frac{17}{27}

3 0
3 years ago
Ryan shoots an arrow upwards while he stands on top of a tree house. The graph shown below traces the path of the arro
mylen [45]
Can I see the graph??
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