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lesantik [10]
3 years ago
11

Ill give 5 star i need help

Mathematics
1 answer:
artcher [175]3 years ago
7 0

Given:

Transformation is

T:(x,y)\to (x-5,y+3)

To find:

The image of A(2,-1).

Solution:

The rule of transformation is

(x,y)\to (x-5,y+3)

To find the image of A(2,-1). Put x=2 and y=-1 in the above rule of transformation.

A(2,-1)\to A'(2-5,-1+3)

A(2,-1)\to A'(-3,2)

Therefore, the image of A(2,-1) is A'(-3,2).

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13) What is the simple interest and total amount earned on $4345 with an interest rate of
Annette [7]

Answer:

173.80 interest, 4518.80 total

Step-by-step explanation:

4345 X .03(3%)=130.35/year

130.35/12=10.8625/month

10.8625 x 16 months = 173.80 interest over 16 months

4345+173.80=4518.80 total amount

6 0
3 years ago
Are 30:12 and 40:16 equivelant if noy tell why
mihalych1998 [28]
They are equivalent

30:12 => 5:2
40:16 => 5:2

hope this helsp
4 0
3 years ago
Which equation demonstrates the additive identity property?
Ira Lisetskai [31]

The additive identity property states that for every number a, you have

a+0=a

You're showing this property when you write

(7+4i)+0=7+4i

8 0
3 years ago
To save money, a local charity organization wants to target its mailing requests for donations to individuals who are most suppo
Naya [18.7K]

Answer:

(0.55525, 1.24475)

Step-by-step explanation:

Given that to save money, a local charity organization wants to target its mailing requests for donations to individuals who are most supportive of its cause.

                     Men    women

Sample size      5        5

Mean rate        6.2     5.3

Mean diffference = 6.2-5.3=0.9

Std error for difference = 0.25 (given)

Since we have two groups and also sample sizes are very small we can use t significant value for finding out confidence interval

df = 5+5-2 =8

t critical value for 80% two tailed = 1.397

Conf interval 80%

=(0.9-1.397*0.25, 0.9+1.397*0.25)\\= (0.55525, 1.24475)

4 0
3 years ago
Later 7 students joined group 2 (41 students)and one student left to join group 1. (44 students) Now 20 students play trombone a
Anit [1.1K]

48 students in group 2

43 students in group 1

So in total there are 91 students

7 students play the trump

And 20 play the trombone

Therefore it is known that 27 students play those two instruments in total

Because of this, Subtract 27 from 91 to get the num of students who doesn't play those instruments.

8 0
3 years ago
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