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zzz [600]
3 years ago
15

Annie buys some greeting cards. Each card costs $1.75. She pays with a twenty dollar bill.

Mathematics
1 answer:
zaharov [31]3 years ago
7 0

Answer:

Step-by-step explanation:

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Solve the the equation by substitution<br>5x=-2y+48<br>x=-3y+20​
tamaranim1 [39]

Answer:

(8, 4)

Step-by-step explanation:

i hope this helps :)

8 0
2 years ago
X+y=2 8x+3y=-19 substitution
padilas [110]

Answer:

{x,y}={−5,−7}

Explain:

// Solve equation [2] for the variable  y [2]    3y = 7x + 14 [2]    y = 7x/3 + 14/3 // Plug this in for variable  y  in equation [1] [1]    8x - 3•(7x/3+14/3) = -19 [1]    x = -5 // Solve equation [1] for the variable  x [1]    x = - 5 // By now we know this much : x = -5 y = 7x/3+14/3 // Use the  x  value to solve for  y y = (7/3)(-5)+14/3 = -7 Solution : {x,y} = {-5,-7}

Hoped I helped

4 0
3 years ago
Read 2 more answers
The rectangle shown has a perimeter of 156 cm and the given area. Its length is 6 more than five times its width.
Stells [14]
P=156 cm
l=6+5w
P=2(l+w)
156=2(6+5w+w)
156=2(6+6w)
156=12+12w
12+12w=156
12w=156-12
12w=144
w=12cm

l=6+5•12
l=6+60
l=66cm
8 0
2 years ago
5. At a basketball tournament, there are 6 teams. If each team has 7 players, how many total participants are there? O 36 partic
zzz [600]

Answer:

42 is your answer I hope it helps

3 0
3 years ago
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Samantha is making special edition hazelnut and almond chocolate boxes to give to her friends. It costs Samantha $15 to make one
zloy xaker [14]

the answer is Bill Shorten

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2 years ago
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