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White raven [17]
3 years ago
6

juan weight 18 pounds more than marie, using w to represent weight , write an expression for marie and juan's weight, write an e

xpression for marie and juan's weight
Mathematics
1 answer:
fgiga [73]3 years ago
5 0

W-18 is the answer hope it helps

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Steve had 7 more than twice as many quarters as dimes. if the total value of her coins was $10.15, how many of each kind of coin
NemiM [27]
X=quarters, y=dimes
7+2x=y
0.25x+0.1y=10.15
we substitute the first equation into the second equation
0.25x+0.1(7+2x)=10.15
0.25x+0.7+0.2x=10.15
0.45x+0.7-0.7=10.15-0.7
0.45x=9.45
0.45x/0.45=9.45/0.45
x=21 quarters
7+2x=y, x=21
7+2(21)=y
7+42=y
y=49 dimes
check: 0.25x+0.1y=10.15 when x=21, y=49
21(0.25)=5.25 in quarters
49(0.1)=4.90 in dimes 
5.25+4.90=10.15
3 0
3 years ago
The product of 30 and 9
lesantik [10]

Answer:

270

Step-by-step explanation:

IF YOU LIKE THIS ANSWER, PLEASE BE NICE AND MARK IT AS BRAINLIEST!!

6 0
3 years ago
Read 2 more answers
54 ÷ (−6)<br><br><br> A. 9<br><br> B. -9<br><br> C. -8
sp2606 [1]

Answer:

Option B, -9

Hope this helps!

6 0
3 years ago
Joan mails a package that weighs 140 G about how many ounces is the package use 1 oz equals 28.4 gram
Dima020 [189]

Answer:

about 5 ounces

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please help me ASAP!!!
vovangra [49]
Answer is D the last one

if the equation is y= 3 lx + 2l

if you solve for x then the zero is x= -2

if y intercept .. so x = 0 

then point is (0,6)

hope that helps
4 0
3 years ago
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