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ollegr [7]
3 years ago
14

The measures of the angles of a triangle are shown in the figure below. Solve for x.

Mathematics
2 answers:
Lana71 [14]3 years ago
8 0

Answer:

x=7

Step-by-step explanation:

63˚+70˚ = 133˚

180˚ - 133˚ = 47˚

(8x-9)˚ = 47˚

8x7=56

56-9=47˚

Furkat [3]3 years ago
3 0

Answer:

<em>x = 7 </em>

Step-by-step explanation:

(8x - 9)° = 180° - ( 70° + 63° )

8x - 9 = 47

8x = 47 + 9

x = 56 ÷ 8  

<em>x = 7</em>

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:Phil’s age decreased by 9 years is 14 years ?
Crank

Answer:

Phil is 23

Step-by-step explanation:

Add 14 to 9 and you get 23. So then you subtract 9 from 23

8 0
3 years ago
One angle of a right triangle measures 60°. The side opposite this angle measures 15 inches.
Delicious77 [7]

Step-by-step explanation:

To solve this question I would use the sin rule.

The sin rule states that

\frac{a}{ \sin(a) }  =  \frac{b}{ \sin(b)  }

Therefore if you substitute in your numbers you get:

\frac{a}{ \sin(90) }  =  \frac{15}{ \sin(60) }

If you rearrange that you get:

a =  \frac{15}{ \sin(60) }  \times  \sin(90)

Therefore a = 17.3 Inches (to 3 sf)

This can also be done with basic trigonometry where you would get

\sin(60)  =  \frac{15}{h}

Rearranging to

h =  \frac{15}{ \sin(60) }

meaning the answer is 13.7 inches

6 0
4 years ago
Read 2 more answers
There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 3 8 . There are 18 r
sweet-ann [11.9K]

Answer:

There are 48 marbles in the bag

Step-by-step explanation:

red: blue : total

3                   8

there are 18 red

18/3 = 6

Multiply everything by 6

3*6                 8*6

18                    48

There are 48 marbles in the bag

8 0
3 years ago
Could someone please explain I keep getting the wrong answer
Naddika [18.5K]
Of course! so basically for each value of x, for example -6, plug it into the equation. so for -6 do -2/3(-6)+7. hope this helps!
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3 years ago
HELP! WILL MARK BRAINLIEST IF CORRECT!
mariarad [96]
I think it’s 25???? i tried haha
8 0
3 years ago
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