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Iteru [2.4K]
3 years ago
11

Find the value of x shown below

Mathematics
1 answer:
tatiyna3 years ago
8 0

Answer:

30°

Step-by-step explanation:

knowing that the sum of the inner angles of a triangle is 180° , so we got the two angles (102° & 48°), so we add them then subtract it from 180°

180°-(102°+48°)=x

180°-150°=30°

x=30°

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jeyben [28]
Yes 9 percent is bigger than 0.4 beacsue 0.4 as a precentage would be 4 percent
4 0
3 years ago
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The weight Wkg of a metal bar varies jointly
maria [59]

Answer:

d = \sqrt{\frac{216W}{35L} }

Step-by-step explanation:

Given that W varies jointly as L and d² then the equation relating them is

W = kLd² ← k is the constant of variation

To find k use the condition W = 140 when d = 4 and L = 54, thus

140 = k × 54 × 4² = 864k ( divide both sides by 864 )

\frac{140}{864} = k , that is

k = \frac{35}{216}

W = \frac{35}{216} Ld² ← equation of variation

Multiply both sides by 216

216W = 35Ld² ( divide both sides by 35L )

\frac{216W}{35L} = d² ( take the square root of both sides )

d = \sqrt{\frac{216W}{35L} }

6 0
3 years ago
I need help ASAP!! 13 points
OleMash [197]

Answer:

The correct answer is H

Step-by-step explanation:

1/4 of a wall in 2/3 of an hour is 40 min

so a wall takes 160 min which is 2 hours and 40 min

so 3 walls takes 8 hours

6 0
4 years ago
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assuming the growth rate stays constant at 1.2%, how many doublings would take place in a 500- year period?
Juliette [100K]

9514 1404 393

Answer:

  8.6

Step-by-step explanation:

The growth factor per year is 1.012, so in 500 years is ...

  1.012^500

The number of doublings is the solution to ...

  2^n = 1.012^500

Taking logarithms, we have ...

  n·log(2) = 500·log(1.012)

  n = 500·log(1.012)/log(2) ≈ 8.6046

About 8.6 doublings will take place in 500 years.

3 0
3 years ago
What is the area of this triangle?
fredd [130]

Answer:

i think it's 16

Step-by-step explanation:

7 0
3 years ago
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