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MA_775_DIABLO [31]
2 years ago
9

Steve is three more than 5 times as old as his cousin. If the sum of their ages is 21, how old is Kia's cousin? Solve and write

a linear equation.
Mathematics
1 answer:
DerKrebs [107]2 years ago
8 0

Answer:

34

Step-by-step explanation:

Cause it is right

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4x + 7y = 12<br> -8x - 14y = -24
Masteriza [31]

Answer:

x = 3

y = 0

Step-by-step explanation:

4(3) + 7(0) = 12

-8(3) - 14(0) = -24

8 0
2 years ago
The perimeter of rectangle is 48 cm. Find the sides of the rectangle if one of the sides is 12 cm longer than the other.
natima [27]
L=W+12
2L+2W=48
2(W+12)+2W=48
2W+24+2W=48
4W=48-24
4W=24
W=24/4
W=6 ANS. FOR THE WIDTH.
L=6+12=18 ANS. FOR THE LENGTH.
PROOF:
2*18+2*6=48
36+12=48
48=48

Hope this helps:)
3 0
3 years ago
Read 2 more answers
The senate in a certain state is comprised of 51 republicans, 48 democrats, and 1 independent. How many committees can be formed
Sedaia [141]
17 since 51 goes into 3 17 times and 2 goes into 48 24 times and 17 is the largest number that can have 3 republicans and 2 democrats. The andwer would be 17 comittees,
5 0
2 years ago
A bag contains 22 red marbles, 8 white marbles, and 3 gray marble. You randomly pick out a marble, record its color, and put it
frez [133]

Total marbles : 33

W + G marbles : 11

Probability of picking either a W or G : 11/33

Number of W or G marbles = 11/33 × 45 = 15

4 0
3 years ago
IS THIS A FUNCTIONS OF NOT <br> I NEED HELP
Brilliant_brown [7]
1, 3, 5 are functions because they pass the vertical line test
4 0
2 years ago
Read 2 more answers
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