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nikitadnepr [17]
3 years ago
7

E 40)7280 How do you solve this

Mathematics
1 answer:
Alla [95]3 years ago
5 0
182 17280/40 I just used my calculator
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PLEASE HELP!! BE AUICK AND EXPLAIN!Solve the system by graphing!
zubka84 [21]
The answer to the question is (2,-2) d

4 0
3 years ago
Solve the following simultaneous linear equations.<br>2x + y = 5<br>4x – 3y = -10​
Jet001 [13]

Answer:

(1/2,4)

Step-by-step explanation:

First, determine y in first equation: 2x+y=5 or  y=5-2x

replace value of y determined in first equation (5-2x) into 2nd equation    

4x-3(5-2x)=-10

4x-15+6x=10

10x=5

x=1/2

put value of x into either equation to solve for y so

2(1/2)+y=5

1+y=5

y=4

answer: x=1/2, y=4

check answer by substituting x and y into either equation:

4x-3y=-10

4(1/2)-3(4)=-10

2-12=-10

-10=-10

or

2x+y=5

2(1/2)+4=5

1+4=5

5=5

7 0
3 years ago
Two numbers add to 151 and the second is 21 bigger than the first. What are the two numbers?
IRISSAK [1]
96 plus 75 I think that is the answer
4 0
3 years ago
Read 2 more answers
A rectangular play area is 8 yards long. The expression 56+8x represents the area of the play area in square yards. What express
VikaD [51]

Answer:

w = 7 + x

Step-by-step explanation:

The formula for the area of a rectangle is

A = lw

56 + 8x = 8w

Divide both sides by 8

w = 7 + x

4 0
3 years ago
Three friend went out to eat pizza. Their pizza costs 15.63 and drinks cost 1.29 each. Salad costs 2.45. If they plan to share t
Kobotan [32]

Answer:

Friend 1: $11.53 Frind 2: $5.21 Friend 3: $5.21

Step-by-step explanation:

15.63/3=5.21

One friend pays for the rest.

1.29*3=$3.87=drinks

salad=$2.45

5.21+3.87+2.45=11.53

3 0
3 years ago
Read 2 more answers
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