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Marta_Voda [28]
2 years ago
5

Solve for x.........

Mathematics
2 answers:
Ket [755]2 years ago
8 0

Answer:

x = 12

Step-by-step explanation:

Angle QPR + Angle PQR = Angle HRQ

30 + 4x + 2 = 8 + 6x \\ (6 - 4)x = 30 + 2 - 8 \\ 2x = 24 \\ x = 12

Anettt [7]2 years ago
7 0

Answer:

17°

Step-by-step explanation:

30°+8+6x=180 ...angles on a str. line

180-30=150

150÷6=25

25-8=17°

therefore 8+6(17°)

4(17°)+2=70°

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192 is what percent of 128
charle [14.2K]

Answer:

245.76

Step-by-step explanation:

4 0
3 years ago
What is the equation of a line that passes through the point(3,-8)and has a slope of 0?
hram777 [196]

Answer: y=-8

Step-by-step explanation:

If the slope is zero that means that the line does not go up (or have any rise) and therefore must be a horizontal line. Since it passes through the point (3,-8), the equation has to be y=-8.

7 0
2 years ago
2,-10,50,-250,.. Geometric sequence
nikklg [1K]

This question is incomplete, here is the complete question

What is the recursive formula for this geometric sequence 2, -10, 50, -250, .... ?

The recursive formula for this geometric sequence is:

a_{1} = 2; a_{n} = (-5) • a_{n-1}

Step-by-step explanation:

To find the recursive formula for a geometric sequence:

  1. Determine if the sequence is geometric (Do you multiply, or divide, the same amount from one term to the next?)
  2. Find the common ratio. (The number you multiply or divide.)
  3. Create a recursive formula by stating the first term, and then stating the formula to be the common ratio times the previous term.

The recursive formula is:

a_{1} = first term;  a_{n} = r • a_{n-1}  , where

  • a_{1} is the first term in the sequence
  • a_{n-1} is the term before the nth term  
  • r is the common ratio

∵ The geometric sequence is 2 , -10 , 50 , -250

∴ a_{1} = 2

- To find r divide the 2nd term by the first term

∵ r=\frac{a_{2}}{a_{1}}

∴ r=\frac{-10}{2}=-5

- Substitute the values of a_{1} and r in the formula above

∴  a_{1} = 2; a_{n} = (-5) • a_{n-1}

The recursive formula for this geometric sequence is:

a_{1} = 2; a_{n} = (-5) • a_{n-1}

Learn more:

You can learn more about the geometric sequence in brainly.com/question/1522572

#LearnwithBrainly

8 0
3 years ago
Mrs.Frasier is making costumes for the school play. Each costume is 0.75 yards of fabric. She bought 6 yards of fabric. How many
Mandarinka [93]
4 since she can’t make half a costume for a kid (so not 4.5)
6 0
3 years ago
Simplify the expression so there is only one positive power for the base, -5........ -5^7/-5^2
ELEN [110]
-5^7/-5^2=5^7/5^2= 5^(7-2)=5^5 this is the answer

3 0
3 years ago
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