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PilotLPTM [1.2K]
3 years ago
7

What is the answer to this

Mathematics
2 answers:
Lesechka [4]3 years ago
8 0

Answer:

Step-by-step explanation:

tan ∅ = opposite side/ adjacent side

   = 4/3

lesantik [10]3 years ago
6 0

Answer:An expression is one or more terms in an algebraic phrase. An expression does not contain the = sign because it is a phrase. Some examples of algebraic expressions are 2x, 5x + 3, 8m - 5m + 10

Evaluate an Algebraic Expression

To evaluate an algebraic expressiontext annotation indicator for x = 3, means to replace the variable x with the number 3 and then simplify by following order of operations.

Example:

Evaluate the following expression for x = 3.

3 xtext annotation indicator + 5

3(3) + 5text annotation indicator

= 9 + 5

= 14

Write an Algebraic Expression

To write an algebraic expression, look for key words that tell you what operation (add, subtract, multiply, or divide) to use.

Example:

Write an algebraic expression for: The product of x and 5 .

The key word here is product . You may recall that a product is the answer obtained when you multiply. That means we want to multiply x and 5, so we write the expression as 5 x . It should be written the standard way by putting the coefficient in front of the variable.

Step-by-step explanation:

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Which expression is equivalent to -6x^3 • x • y^2 • y^6?
Georgia [21]

Use the Product Rule: x^ax^b = x^a + b

6x^3 + 1y^2 + 6

Simplify 3 + 1 to 4

6x^4y^2 + 6

Simplify 2 + 6 to 8

<u>= C) 6x^4 y^8</u>

4 0
3 years ago
1. 4x– 15 = 17 - 4x+10x<br> Help?
Nadya [2.5K]

Answer:

x=-16

Step-by-step explanation:

4x– 15 = 17 - 4x+10x

4x+4x-10x = 17+15

-2x=32

-x=16

x=-16

7 0
3 years ago
In a stack of boards at a lumber yard, the 20th board counting from the top of the stack is immediately below the 16th board cou
Novosadov [1.4K]

Answer:

C

Step-by-step explanation:

6 0
3 years ago
Add the two expressions.
Vladimir79 [104]
Your answer will be 3.7w-2
8 0
3 years ago
Read 2 more answers
X - y= -4 -2x +3y =6
STatiana [176]

Answer:

<em><u>x=-6, y=-2</u></em>, (As a point) (-6, -2).....The point form is not necessary unless you want to solve the system (of equations) by graphing.

Step-by-step explanation:

By substitution:

x-y=-4    By adding y on both sides,

x=y-4

Now you can substitute x for the expression (y-4)

Plug the (y-4) as x in the other equation.

So -2x+3y=6 becomes

-2(y-4)+3y=6

Now solve:

-2(y-4)+3y=6 distributes out to be

-2y+8+3y=6     Now combining like terms

y+8=6              Subtract 8 on both sides to isolate the variable

<u><em>y=-2</em></u>

Now plug the value -2 in where the y is in any equation (preferably the easier/less complicated one) and solve for x.

So x-y=-4 becomes

x-(-2)=-4

=x+2=-4

=<u><em>x=-6</em></u>

3 0
3 years ago
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