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timama [110]
3 years ago
6

Lines e and fare parallel. The m29 = 80° and m25 =

Mathematics
1 answer:
otez555 [7]3 years ago
3 0
I have the same question can someone help
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What is the value of the expression? 9^2÷(-3)^0
stiv31 [10]
Step 1. Simplify 9^2 to 81
81 <span>÷ (-3)^0
Step 2. Use Rule of Zero: x^0 = 1
81 </span><span>÷ 1
Step 3. Simplify 
81</span>
5 0
3 years ago
Solve c: P = a+b+c+d / 4
m_a_m_a [10]

Answer:

  • as written: c = P - a - b - d/4
  • with parentheses: c = 4P - a - b - d

Step-by-step explanation:

The meaning of the given expression is ...

  P = a + b + c + (d/4)

To solve for c, subtract all the terms on the right side not containing c.

  P -(a + b + (d/4)) = c

  c = P - a - b - (d/4)

_____

In such equations, parentheses are commonly missing. If that is the case here, then first we undo the division by 4, then we subtract the "not c" terms.

  P = (a + b + c + d)/4 . . . . maybe what you meant

  4P = a + b + c + d . . . . . . multiply by 4

  4P - (a +b +d) = c

  c = 4P -a -b -d

8 0
3 years ago
Are these ratios equivalent?
masya89 [10]

Answer:

A, yes.

Step-by-step explanation:

63:60, 21:20:

The difference between 60 and 20 is *3. If you do that to 21, you get 63. So a , yes.

3 0
3 years ago
What is the equation in standard form of the line that passes through the point (-7, 2) and has a
Orlov [11]

Answer:

y=3x+23 (lmk if you need me to explain)

Step-by-step explanation:

3 0
3 years ago
A pair of parallel lines is cut by a transversal, as shown below.
MA_775_DIABLO [31]

Answer:

x=45\degree

Step-by-step explanation:

In the diagram, the measure of the (x+30\degree) angle is equal to the 75\degree angle.

These two angles are alternate angles.

We therefore set up the following equation and solve for x.

x+30\degree =75\degree

\Rightarrow x =75\degree-30\degree

\Rightarrow x =45\degree

6 0
3 years ago
Read 2 more answers
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