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earnstyle [38]
4 years ago
15

Help pleaseeee. This is 8th grade math and i need to find what x is

Mathematics
1 answer:
Degger [83]4 years ago
4 0

\text{Hello there!}\\\\\text{We know the that the exterior angle (x) is the sum of the opposite interior}\\ \text{angles}\\\\\text{This means that you would add 72 and 37}\\\\72+37=109\\\\\text{Or, you can do this method:}\\\\\text{Find the missing interior angle by adding 72 and 37 and subtracting}\\\text{it by 180}\\\\180-72-37=71\\\\\text{Now, find the exterior angle by subtracting 180 by 71}\\\\180-71=109\\\\\boxed{x = 109\,\,\text{degrees}}

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NEED HELP ASAP solve for x : 3/5 = x-1/8 <br>a.5 b.29/5 c.23/5 d.19/5
Levart [38]

Answer:

<h3>\boxed{ \sf{ \bold{ \huge{ \boxed{ \frac{29}{5} }}}}}</h3>

Option B is the correct option.

Step-by-step explanation:

\sf{ \frac{3}{5}  =  \frac{x - 1}{8} }

Apply cross product property

⇒\sf{ 5(x - 1) = 3 \times 8}

Distribute 5 through the parentheses

⇒\sf{5x - 5 = 3 \times 8}

Multiply the numbers

⇒\sf{5x - 5 = 24}

Move 5 to right hand side and change it's sign

⇒\sf{5x = 24 + 5}

Add the numbers

⇒\sf{5x = 29}

Divide both sides of the equation by 5

⇒\sf{ \frac{5x}{5}  =  \frac{29}{5} }

⇒\sf{x =  \frac{29}{5} }

Hope I helped!

Best regards!!

8 0
3 years ago
You roll a die. If an odd number comes up, you lose. If you get a 6, you win $60. If it is aneven number other than 6, you get t
vitfil [10]

Answer:

Step-by-step explanation:

Given that if an odd number comes up, you lose.

i.e. P(losing) = P(1,3,5) = \frac{1}{2}

P(win 60) = P(6) =\frac{1}{6} \\

If you get 2 or 4 you roll again

Thus rolling again prob = \frac{2}{6} =\frac{1}{3}

After rolling II time, if get 6, win otherwise lose.

Thus winning amounts A canbe

0     36   60

P(0) = \frac{1}{2}+\frac{1}{3} (\frac{5}{6})=\frac{7}{9}  \\P(36) = \frac{1}{3} (\frac{1}{6})=\frac{1}{18}\\P(60) =\frac{1}{6}

This is a genuine pdf since prob >0 and total prob = 1.

b)Expected gain = sum of gain * prob = \frac{7}{9} (0)+\frac{1}{18} (36)+\frac{1}{6} (60)\\=12

Thus I would be willing to pay an amount atmost 12 dollars.

6 0
3 years ago
When you round a number to the nearest hundred you get 13,600 and when you round it to the nearest thousand you get 14,00.What w
Viefleur [7K]
The original number would be 13,555 .
6 0
3 years ago
Please help with this math question!
Blababa [14]

Answer:

m = 21.33333 or 21 1/3

Step-by-step explanation:

6/16 = 8/m

cross multiply to get

6m = 128

m = 21.33333 or 21 1/3

7 0
3 years ago
I also am stuck on this please help
Evgesh-ka [11]

Answer:

120

Step-by-step explanation:

Girl : Boy

One-fourth : one-eighth

1/4 : 1/8

16 : 7

Then

4/4 : 8/8

64 : 56

Cuz

4x16= 64

8x7= 56

Total 64+56= 120

7 0
3 years ago
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