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Bas_tet [7]
3 years ago
14

Need help with this question

Mathematics
1 answer:
Lilit [14]3 years ago
6 0

Answer: 30

Step-by-step explanation: To solve this problem, we're going to have to use the Pythagorean theorem...

a² + b² = c²

24² + 18² = c²

576 + 324 = c²

c² = 900

\sqrt{900}

30

30 = c

I hope this helps!

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A train slows down as it rounds a sharp horizontal turn, going from 92.0 km/h to 54.0 km/h in the 16.0 s that it takes to round
Mnenie [13.5K]

Calculation of centripetal acceleration(ac):

a_c=\frac{v^2}{r}

we can change our speed in terms of m/s

v=54km/h=54*\frac{1000}{3600} m/s

now, we can plug these values

a_c=\frac{(54*\frac{1000}{3600})^2}{130}

a_c=1.73077m/s^2

Calculation of tangential acceleration(at):

a_t=\frac{\Delta v}{\Delta t}

now, we can plug values

a_t=\frac{(54-92)*\frac{1000}{3600} }{16}

now, we can simplify it

a_t=-0.65972 m/s^2

Calculation of resultant acceleration:

a=\sqrt{(a_c)^2+(a_t)^2}

now, we can plug values

a=\sqrt{(1.73077)^2+(-0.65972)^2}

a=1.85224m/s^2.............Answer

4 0
3 years ago
five friends bought admission tickets to the museum and a box lunch. The cost of each admission ticket was 11.75$. Each box lunc
IrinaK [193]

Answer:

83.75$

Step-by-step explanation:

(5×11.75)+5×(5)=?

5×(11.75+5)=? [DISTRIBUTIVE PROPERTY]

5×16.75=?

83.75

4 0
3 years ago
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You make homemade lip balm. About 11% of the lip balm is made from beeswax. You make 4 and two-fifths teaspoons of the lip balm.
Deffense [45]
You need about 0.48 teaspoons of beeswax

4 2/5 = 4.4

4.4 x 11% = .48
5 0
3 years ago
Read 2 more answers
Help as soon as possible thanks
frutty [35]
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Add the answers together
42+66
= 108 squared feet
5 0
2 years ago
DonaldandLauracompetedina1kmrace.DonaldcompletedtheraceinCCVII seconds and Laura completed it in CCCXLVIII seconds. By how many
Kay [80]

Answer: D

Steps: CXLI = 141 seconds

Plz mark brainliest:)

6 0
3 years ago
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