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maxonik [38]
3 years ago
14

Simplify when it is possible. Help please! 10x2 -y + x2 =

Mathematics
2 answers:
harina [27]3 years ago
8 0

Answer:

11x²- y

Step-by-step explanation:

Simplifying an algebraic expression means to reduce said expression by grouping terms.

You can only group like terms, in other words, terms whose variables and exponents are the same ( y² and 5y² are like terms because they both have the variable y and the exponent 2. On the other hand y² and 3y³ are not like terms because they have different exponents and therefore you cannot group them).

You have the equation 10x² - y + x².

The like terms in this expression are 10x² and x², to group them we need to sum them up:

10x² + x² = 11x²

The other term is -y but there aren't any other like terms for it so it will remain the same.

Therefore, the expression 10x² - y + x² = 11x² - y

Dimas [21]3 years ago
6 0
The answer is 
-1x2y+ 20
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Answer:

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⇒ ∠BCA = ∠BAD = 55°

Angles on a <u>straight line</u> sum to 180°

⇒ ∠ADE + ∠EDC = 180°

⇒ 98° + ∠EDC = 180°

⇒ ∠EDC = 82°

As BE intersects AC, the <u>vertically opposite angles</u> are <em>equal</em>:

⇒ ∠BDC = ∠ADE = 98°

⇒ ∠ADB = ∠EDC = 82°

Interior angles in a triangle sum to 180°

⇒ ∠BAD + ∠ADB + ∠ABD = 180°

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5 0
2 years ago
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dezoksy [38]
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7 0
2 years ago
When given the equation y = 3/4x − 6 , Find the x intercept and y intercept.
STALIN [3.7K]

Answer:

the y-intercept is (0,-6)

the x-intercept is (8,0)

Step-by-step explanation:

<em>Solving for the y-intercept:</em>

Since the equation 'y=3/4x - 6' is in the 'y=mx + c' form (where m is the slope and c is the y-intercept):

3/4 is m (which is the slope)

-6 is c (which is the y-intercept)

<em>Solving for the x-intercept:</em>

When the line intersects with the x-axis, the y-value is 0. Hence, the coordinate is (x,0). Substituting this into 'y=3/4x - 6':

0 = 3/4x - 6

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3/4x = 6

x = 4/3 * 6

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Hence,

the y-intercept is (0,-6)

the x-intercept is (8,0)

<em>Hope this helps and be sure to have a wonderful time ahead at Brainly! :D</em>

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Answer:

B

Step-by-step explanation:

B and E :)

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