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Mandarinka [93]
3 years ago
12

.8x-.3y=5 1.4x-.9y=11

Mathematics
1 answer:
PolarNik [594]3 years ago
6 0

Answer:

(x,y)=(-22/49,-5566/147)

Step-by-step explanation:

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Pls ans.thanks a lot
yawa3891 [41]

Answer:

you're answer is -2

Step-by-step explanation:

i hope this helped you have a nice day  :)

6 0
3 years ago
A jar contains 0.75 liter of blackberry juice and 0.60 liter of blueberry juice. Patrick poured 0.25 liter of guava juice into t
mixas84 [53]

Answer:

1.40 litres; order of operations

Step-by-step explanation:

Part A:

First, write it out in the full form.

#1 (.75 litres of blackberry juice + .60 litres of blueberry juice + .25 litres of guava juice) - .20 litres drank = 1.4 litres of juice remaining in the jar

Part B:

Removing the wordy descriptions from the expression, we get the following:

#2 (.75 + .60 +.25) - .20

or, by adding the numbers in the parentheses first:

#3 (1.60) - .20 = 1.40

#4 1.40 litres of juice left in the jar

The order of operations was used in moving from step #2 to step #3, as operations within the parentheses were conducted before subtracting the .20 litres of juice which were drank.

8 0
3 years ago
To convert a distance of 2200 yards to miles, which ratio could you multiply by? Remember that 1 mile=1760yards
Mnenie [13.5K]
Multiply both sides by 2200/1760 * 2200/1760 and you get 1.25
6 0
3 years ago
Read 2 more answers
If a rectangle has a perimeter of 58 ft and a length of 4 feet what is the width of the rectangle?
faltersainse [42]

Answer:

25ft

Hoped this helped!

5 0
2 years ago
Factor 2a2b3 - 14ab + 16a
zhuklara [117]

Answer:

2a(b^3 - 7b + 8)

Step-by-step explanation:

I'm assuming that 2a2b3 is 2a2b^2. If not, this answer isn't correct.

Look at the whole numbers. Is there a number that divides into them evenly? Yes, 2, so you pull 2 from the problem and divide each number by 2. Do the same for each variable.

2a2b3 - 14ab + 16a

2(ab^3 - 7ab +8a)

2a(b^3 - 7b + 8)

6 0
3 years ago
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