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Nikitich [7]
2 years ago
5

Use the diagram to complete the statement.

Mathematics
1 answer:
WITCHER [35]2 years ago
4 0

Answer:

Step-by-step explanation:

i think it is b

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Question Which of these strategies would eliminate a variable in the system of equations? 2x - y = 11 5x + 3y = -11 How many pos
kenny6666 [7]

Answer:

Elimination (multiplication and subtraction)

There is 1 solution

Step-by-step explanation:

The only way to solve this system of equations is by elimination (multiplication). Let's say that we want to cancel out the x. You multiply the first equation by 5 and you multiply the second equation by 2.

Your equations now are:

10x-5y=55 and 10x+6y=-22

You can subtract these equations to get -11y = 77.

Now that we know that y = -7, we can substitute y in to solve x.

10x-5(-7) = 55

10x=20

x=2

Final answer (2,-7)

3 0
3 years ago
what about this one? is it correct? I am all done but would like to check if they are alright since I am so so rounding
Nutka1998 [239]
They're all correct! Nice job :)
7 0
3 years ago
The price of an item yesterday was $110 . Today, the price fell to $77 . Find the percentage decrease.
Andreas93 [3]
Subtract 110 dollars from 77 dollars to get your answer of 33 dollars


Hope this helps
4 0
3 years ago
Read 2 more answers
How do you type 40:16 ratio in to simplest form
Blizzard [7]
5:2
because you need to divide them by 8 to get to simplest form
7 0
3 years ago
Read 2 more answers
A square has an area of 144 sq. units. how long is its perimeter?
Arada [10]
Formula for Area of a square:

\boxed {\boxed {\text {Area = Length x Length}}}

Given that the area is 144 unit²:

\text {Length}^2 = 144

\text {Length} = \sqrt{144} = 12 \text { units}

Formula for Perimeter of a square:

\boxed {\boxed {\text {Perimeter = 4 x Length }}}

\text {Perimeter = } 4 \times 12 = 48 \text { units}


\boxed { \boxed { \text {Answer: The perimeter is 48 units.}}}


6 0
3 years ago
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