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SIZIF [17.4K]
4 years ago
12

Using your answers from parts b and c, what are the ages of the brother and sister, respectively?

Mathematics
1 answer:
mihalych1998 [28]4 years ago
6 0
Im not to sure bc there isnt an age with the brother so whatever 6 plus b is

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PLZ NEED HELP 10POINTS IK ITS NOT MUCH BUT I NEED THIS QUESTION ANSWERED
Darya [45]
6% purchased model and 26% model b. Because you add up the all of the people who were and weren’t happy for both so it was 35 people in total.

So for a you divide 2 by 35 and then multiply that by 100 and then round and you get 6%


For b you divide 9 by 35 mult. By 100 and then round you get 26%
6 0
3 years ago
Create a data set with at least 7 values so that the mean is 20.
Nady [450]

Answer:

I cant remember this

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
Two one-step equations
lesantik [10]
A. x + 5=12
7x = 21

B. b - 2/3 = 5/6
1/5m = 20

C. 45 = 3(x + 1)

D. 22.5 = 1.5x

E. Mark has $20 in his bank account. He saves $5 each week. How much money does Mark have in his account after 9 weeks? Use w to represent the number of weeks and t to represent the total amount Mark has after any number of weeks.
5 0
3 years ago
Read 2 more answers
What is 5 more than the quotient of a number and 6 equals 7
loris [4]

Answer:

x/6 + 5 = 7

x/6 = 2

x = 12

Step-by-step explanation:

6 0
3 years ago
The table below shows four systems of equations:
Ede4ka [16]
To determine which system of equations would have the same solution, we evaluate each system of equations.

System 1 4x − 5y = 2, 3x − y = 8
x = 38/11
y = 26/11

<span>System 2 4x − 5y = 2, 3x − 2y = 1
x = 1/7
y = -2/7

System 3 4x − 5y = 2, 3x − 8y = 4
x = -4/17
y = -10/17

System 4 4x − 5y = 2, 10x − 9y = 4
x = 1/7
y = -2/7

</span><span>
Therefore, the correct answer is option 3. </span><span>System 2 and system 4 are equal, because the second equation in system 4 is obtained by adding the first equation in system 2 to two times the second equation in system 2.

     4x− 5y = 2 2( 3x − 2y = 1)
-----------------------    10x - 9y = 4</span>
4 0
3 years ago
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