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tester [92]
3 years ago
6

How do I solve number 15?! Plz help!!!!!

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
3 0

first get all variables on the same side, then use elimination to solve.

x = -3

y = -11

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I tried many times to solve this question: Joy makes 6,5 litres soup correct to the nearest 0.5 litres. She serves the soup in 2
Paraphin [41]

Joy makes 6.5 litres soup correct to the nearest 0.5 litres. She serves the soup in 280ml portions correct to the nearest 10ml. 22 people order this soup. Does joy definitely has enough soup to serve the 22 people.

Answer:

Yes, Joy definitely does has enough soup

Step-by-step explanation:

From the question, we know,

Joy make 6.5 litres of soup

Serves it in 280ml portions

Step 1

We convert the portions to liters

1 ml = 0.001 litre

280 ml

= 280ml × 0.001 litre/1 ml

= 0.28litre

Step 2

We divide 6.5 liters by 0.28 to find out how many people can be served

= 6.5 ÷ 0.28

= 23.2142857143 people

We can see that 6.5 liters soup can serve 23 people approximately.

Therefore, Yes, Joy definitely does has enough soup to serve 22 people

4 0
3 years ago
I need help this is 6th grade Question 3×(5+4^2)-10
bonufazy [111]
Using PEMDAS the you start with parentheses and exponents 4x4 would be 16 times 2 is 32 plus 5 is 37 then multiply that by 3 = 111 subtract 10 and get 101
8 0
3 years ago
Which of the following does not satisfy the equation x-2=3.5
Sedbober [7]

Answer:

5.5

Step-by-step explanation:

5 0
3 years ago
A line is defined by the equation 2x+y -4. Which shows the graph of this line?
Nitella [24]

Answer:

Not sure if you mean 2x+y=-4 or 2x+y=4

either way put it in y=mx + b form (slope intercept)

Step-by-step explanation:

so for 2x+y = -4 first move everything away from the side with "y" by -2x from each side you get y= -2x+ -4 so m= -2/1 (slope) and b= -4 the place the line crosses the y axis

so for 2x+y = 4 first move everything away from the side with "y" by -2x from each side you get y= -2x+ 4 so m= -2/1 (slope) and b= 4 the place the line crosses the y axis

3 0
3 years ago
Plz, help ASAP!!!!!!!
nalin [4]

Answer:

84 degrees

Step-by-step explanation:

the angles of a pentagon always add up to 540.

3 0
3 years ago
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