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Elan Coil [88]
3 years ago
9

Need help asap solve for x!

Mathematics
1 answer:
ra1l [238]3 years ago
7 0

please use my image as a reference (figure not drawn to scale).

AB is a straight line and the angle of a straight line = 180°

so that means 5x + (6+x) = 180, solve for x:

5x+(6+x)=180\\5x+6+x=180\\combine like-terms

5x+x=180-6\\6x=174\\x=\frac{174}{6}

x=29°

if you want to make sure of the answer, plug in x in the equation:

5x+(6+x)=180\\5(29)+(6+29)=180\\145+35=180\\180=180

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Can someone help me pls
Vladimir79 [104]

Answer:

10) area of 130° segment  4.5 in²

Step-by-step explanation:

10) area of full circle = πr² = (3.14)(2²) = 12.56 in²

area of 130° segment = (130/360)(12.56) = 4.54 in²

5 0
3 years ago
What is the coordinate of the focus
timofeeve [1]

Answer:

I want to say B or D please tell me if I'm right lol

6 0
2 years ago
Fiona has a box with 5 red buttons and 9 blue buttons.She randomly selected one button, took it out of the box, then selected an
leonid [27]

Answer:

B. 10/91

Step-by-step explanation:

Box has 5 red buttons and 9 blue buttons.

We add 5 and 9 to get the total buttons.

5 + 9 = 14

Then, we find the probability for a red button.

5/14 = .35

Now, that we've taken out 1 button.

The amount of buttons available changes.

14 - 1 = 13

There are 4 red buttons remaining.

The probability for a red button changes to 4/13.

4/13 = .30

Then, we multiply both probabilities.

.30 x .35 = .111

Convert to a fraction.

.111 = 10/91

Thus it would be B.

7 0
2 years ago
What is the perimeter of a square with side length 5 4/5? As a mixed number.
mezya [45]
29/5+29/5+29/5+29/5= 23 1/5
8 0
3 years ago
Read 2 more answers
Mary wants to hang a mirror in her room. the mirror and frame must have an area of 7 square feet. the mirror is 2 feet wide and
Helen [10]

The quadratic equation use to determine the thickness of the frame, x is 4x² + 10x - 1 = 0.

The correct option is D.

<h3>What is a quadratic equation ?</h3>

A quadratic equation is an algebraic equation of the second degree in x.. The quadratic equation is written as ax2 + bx + c = 0, where x is the variable, a and b are the coefficients, and c is the constant term.

<h3>According to the given information:</h3>

Total area  = 7 square feet

and,

Total area = Length x Width

So,

7 = (2x + 3)(2x + 2)

7 = 4x2 + 4x + 6x + 6

7 = 4x2 + 10x + 6

4x2 + 10x + 6 - 7 = 0

4x2 + 10x - 1 = 0

Hence,

The quadratic equation use to determine the thickness of the frame, x is 4x² + 10x - 1 = 0.

To know more about quadratic equation visit:

brainly.com/question/1863222

#SPJ4

I understand that the question you are looking for is:

Mary wants to hang a mirror in her room. the mirror and frame must have an area of 7 square feet. The mirror is 2 feet wide and 3 feet long.  Square with an inner frame with height of 2 ft on the left frame and width of 3 ft on the top. Arrow on the bottom frame with an x and an arrow on the right frame with an x. Which quadratic equation can be used to determine the thickness of the frame, x?

A. x² + 14x - 2 = 0

B. 2x² + 10x - 7 = 0

C. 3x² + 12x - 7 = 0

D. 4x² + 10x - 1 = 0

6 0
1 year ago
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