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Rudik [331]
3 years ago
12

Four equivalent expressions of 32+48

Mathematics
1 answer:
Sladkaya [172]3 years ago
5 0
30 + 50
240/3
20*4
43 + 37

Essentially any equation that equals 80.
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Sana's mother bought produce for Sunday dinner. She bought one more pound of peaches than of tomatoes. She bought 3 times as man
Elenna [48]

1(Identifying):

Tomatoes-x--$3 per lb

Mushrooms- 1/3 x-- $10 per lb

Peaches- x+1-- $6 per lb

2(Equation):

3x+6(x+1)+1/3x*10=80

3x+6x+6+10/3 x=80

12 1/3 x= 74

x=74÷(12+1/3)

Step 3(Final Equations):

74*3/37=6=tomatoes

Meaning...

6+1=7=Peaches

6/3=2= mushrooms

Answer:

7 lb of peaches, 6 lb of tomatoes, and 2 lb of mushrooms

7 0
2 years ago
Read 2 more answers
Lydia received her salary on Friday. She spent one-half of her salary on rent and then spent $168 on her electric and water bill
inysia [295]

Answer:

B. $466

How:

You would have to add up all KNOWN expense that Lydia made and then the money the she spent on rent would be an exact replica of that.

7 0
3 years ago
8x-5y=21 simultaneous linear equation<br>2x+9y=-5
olya-2409 [2.1K]

Answer:

x=2 and y=-1

Step-by-step explanation:

If two equations are given, we can solve one of the equation in terms of single variable and put it in the other equation which will further give the value of x and y.

For the given equations:

8x-5y=21              Equation:1

2x+9y=-5             Equation:2

Solving equation multiply equation 2 with 4 on both the sides

8x+36y=-20        Equation 3

Subtracting Equation:3 from Equation:1

8x-5y-(8x+36y)=21-(-20)\\8x-5y-8x-36y=21+20\\-41y=41\\y=-1

Putting value of 'y' in Equation:2 which will give the value of x

2x+9y=-5\\2x+9(-1)=-5\\2x-9=-5\\2x=4\\x=2

8 0
3 years ago
1) Which equation graphs as a line? A) y = 2x3 B) y = x2 + 3 C) y = 1 2 x D) y = 1 2 x2
LuckyWell [14K]

Answer:

B) y=2x+3

Step-by-step explanation:

6 0
3 years ago
I need help ASAP please with all of them
ratelena [41]

The third one I think I'm not sure

3 0
3 years ago
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