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Stolb23 [73]
3 years ago
5

Find the value of x in the triangle shown below.

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
8 0

Step-by-step explanation:

5²=4²+x²

25=16+x²

25-16=x²

9=x²

√9=√x²

3=x

A

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I lost my two brain cell trynna work it out pls help lol​ I'll brainlist everyone who have a try at this!!!
Jlenok [28]

Answer:

A) r x 2 = g

B) b - 5 = g

C) b x 4 = g

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Can someone please help me?
bulgar [2K]

Solution:

<u>Given:</u>

  • 18 = 2b

<u>Solve the equation by isolating the variable.</u>

  • => 18 = 2b
  • => 2b/2 = 18/2
  • => b = 9

The value of b is 9.

Hoped this helped!

6 0
2 years ago
A researcher wants to estimate the mean commute time of residents in Westchester County. The researcher samples 40 commuters and
Ksenya-84 [330]

Answer:

21.759

Step-by-step explanation:

Given that :

Mean (m) = 25

Standard deviation (s) = 12.5

Sample size (n) = 40

α = 90%

The confidence interval is obtained using the relation:

Mean ± Zcritical * s/sqrt(n)

Zcritical at 90% confidence interval = 1.64

25 ± 1.64 * (12.5/sqrt(40))

Lower boundary : 25 - 1.64(1.9764235) = 21.75866546

Upper boundary : 25 + 1.64(1.9764235) = 28.24133454

(21.759, 28.241)

Hence, lower bound of confidence interval is : 21.759

4 0
2 years ago
The point {-1,5} is reflected over the y-axis. Where is the location of the new
Monica [59]

Answer:

B (1, 5)

Step-by-step explanation:

When a point is reflected over an axis, the coordinate which corresponds to that axis does not change. The other coordinate becomes negative with respect to the current value.

Hence, since the y-axis is mentioned, the y-coordinate does not change and the x-coordinate becomes negative.

  • New point = (-(-1), 5)
  • New point = (1, 5)
  • Option B
6 0
1 year ago
Sam bought 6 baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now 27
enyata [817]
He started with 42 cards.

27-6= 21

21×2= 42.

Hope this helps! :)

\(^ ◇^)/
7 0
3 years ago
Read 2 more answers
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