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3 years ago

How do i solve x+y=2?

Mathematics

2 answers:

Aliun [14]3 years ago

8 0

It’s unsolvable with out more context. What’s the rest of the problem.

Sergio039 [100]3 years ago

8 0

Answer: It's "y = -x + 2". For graphing look at photo attached.

Step-by-step explanation: You subtract x from both sides to get y = -x + 2.

To graph it start at the y-intercept (2) then go rise over run. Rise "-1" run "1". Repeat

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Simplify the expression 6^3 +5(4-2)

ANTONII [103]

Answer:

Answer is 226.

Step-by-step explanation:

The expression is 6^3+5(4-2)

6^3 means that 6 will be multiplied 3 times.

6^3=6*6*6

=216

Now the expression becomes,

=216+5(4-2)

Now we will solve the round bracket.

4-2 evaluates to 2

=216+5(2)

Now we will multiply 5 and 2 which becomes 10

=216+10

=226

Therefore the answer is 226....

5 0

3 years ago

Multiply the polynomials (x+2)(2x^2+9x+8)

solong [7]

When you combine like terms you would get
2x^3+13x^2+26x+16
Have a great day!!!

5 0

3 years ago

Read 2 more answers

Pls help this is kinda hard and it’s due in 45 minutes

VashaNatasha [74]

Answer:

16.8 inches

Step-by-step explanation:

Perimeter =2(length+width) so 2·(5.6+2.8)≈16.8

8 0

3 years ago

Read 2 more answers

Help me jim! geometry homework

Maksim231197 [3]

Question 1

The angles 52 degrees match up. So if the sides are in proportion, then the triangles are similar.

Notice how 8/12 = 18/27 is a true equation. So the sides are in proportion to one another.

Therefore, the triangles are similar. I used the SAS similarity theorem.

================================================================

Question 2

Let's find the missing angle of the triangle on the right. For now, make that missing angle to be x.

Rule: For any triangle, the three angles always add up to 180

x+70+32 = 180

x+102 = 180

x = 180-102

x = 78

The missing angle of the triangle on the left is 78 degrees

Repeat for the other triangle as well

y+78+32 = 180

y+110 = 180

y = 180-110

y = 70

Both triangles have the angles 32, 70, 78 in whatever order you wish.

Since the angles match up like this, the triangles are similar because of the AA Similarity theorem

Technically, we only need 2 pairs of congruent angles at minimum. But having 3 congruent pairs doesn't hurt either.

================================================================

Question 3

We have a pair of congruent 54 degree angles shown. There's another pair of angles at the very top that overlap (aka shared angles).

Since we have two pairs of congruent angles, the two triangles are similar.

This time we use the AA Similarity theorem

================================================================

Question 4

Let's divide the longest side of the bottom triangle by the longest side of the triangle on top

48/32 = 1.5

Now let's divide the shortest sides of each triangle in the same order

36/24 = 1.5

Repeat for the middle-most sides

45/30 = 1.5

We get the same linear scale factor 1.5 each time. Therefore, the triangles are similar due to the SSS Similarity theorem

================================================================

Question 5

Any angle is equal to itself due to the reflexive property. So that will go for reason number 2.

Reason 3 is SAS similarity because we have the sides in proportion (statement 1) and the angles are congruent (statement 2).

3 0

2 years ago

Look at the question below.

sweet-ann [11.9K]

Answer: bottom left

4x+2y+15

Step-by-step explanation:

3x + x=4x

5 + 10= 15

2y=2y

4x+2y+15

6 0

2 years ago

Read 2 more answers