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MakcuM [25]
2 years ago
14

1+2= 3+4 4=3 )+0 you dont have to answer just put a random letter or something

Mathematics
1 answer:
Alina [70]2 years ago
3 0

Answer:

3

7

last one doesn't even make sense

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Need the (x) & (y) value
Katen [24]

Answer:

x=0

y=6

Step-by-step explanation:

Two equations with two unknowns can be solved. Use the three steps given below.

In general you can save time if you use the simplest expression for step 1. You can choose either expression to start with x =.. or you can rewrite it, so it starts with y =...

FOLLOW THESE STEPS:

1. Rewrite the first expression so it starts with y =...

2. Then use that expression and substitute it in the other expression, to find the value for x.

3. Use that value found in step 2. and substitute it in the rewritten expssion you created in step 1. Solve this last expression and you'll get the value for y.

Step 1.

-6y + 11x = -36

-6y = -11x -36

multiply left and right of the = sign by -1

6y = 11x + 36

divide left and right of the = sign by 6

y = 11x/6 + 36/6

y = 11/6x + 6

Step 2.

-4 * ( y ) + 7x = -24

-4 * ( 11/6x + 6 ) + 7x = -24

( -44/6x - 24 ) + 7x = -24

-44/6x + 7x = -24 + 24

You can see immediately that ...x = 0

Just for fun of it ....

-44/6x + 42/6x = 24 - 24

(-44+42)/6x = 0

-2/6x = 0

-1/3x = 0

multiply left and right of the = sign by -3

3/3x = 0 * -3

x = 0

Step 3.

y = 11/6( x ) + 6. and substitute x = 0 gives:

y = 11/6( 0) + 6

y = 0 + 6

y = 6

3 0
2 years ago
22 What are the 4 inequality signs?<br> Symbol Description in words
Alex73 [517]
Less than sign
<
Greater than sign
>
Less than or equal to sign
\leqslant
Greater than or equal to sign
\geqslant
8 0
3 years ago
What is the coefficient of y in the expression 1•4+7y
Butoxors [25]

The coefficient is 7

4 0
2 years ago
Read 2 more answers
Which theorem or postulate proves the two triangles are similar?
Andre45 [30]

Answer:

The corresponding pair of sides are in the same ratio.

Step-by-step explanation:

For two triangles to be similar, the theorem that is required is the corresponding sides of the two triangles are in the same ratio.

Now, see the diagram of two triangles given with the question.

The ratios of the corresponding sides are \frac{20}{16} = \frac{19}{\frac{76}{5} } = \frac{5}{4}

If two pairs corresponding sides are in 5 : 4 ratio, then the third pair of corresponding sides will also be in 5 : 4 ratio.

Therefore, the two triangles are similar. (Answer)

5 0
3 years ago
What is the measure of each exterior angle of a hexahectagon (600 sides)?
kobusy [5.1K]

Answer:

0.6°

Step-by-step explanation:

The sum of exterior angles in a polygon is always equal to 360 degrees. For all equiangular polygons, the measure of one exterior angle is equal to 360 divided by the number of sides in the polygon.

360/600=0.6

6 0
2 years ago
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