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lidiya [134]
3 years ago
15

you have a right angle triangle, that is labelled with A B and C. The hypotenuse is 2.1 km and point C's angle is 57. Is AB or A

C shorter?
Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
7 0

Answer:

ab

Step-by-step explanation:

ac should always be longer for it would be the hypotnuse

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A particle is moving with the given data. Find the position of the particle. a(t) = t2 − 3t + 9, s(0) = 0, s(1) = 20
sertanlavr [38]

Answer:

s(t) = \frac{t^4}{12}-\frac{3t^3}{6}+\frac{9t^2}{2} +15.91667t

Step-by-step explanation:

Integrating the expression that describes the acceleration of the particle gives us an expression for its velocity. Integrating the expression for its velocity, gives us the expression for its position:

a(t) = t^2-3t+9\\\int{a(t)} \, dt=v(t) = \frac{t^3}{3}-\frac{3t^2}{2}+9t +A\\\int{v(t)} \, dt=s(t) = \frac{t^4}{12}-\frac{3t^3}{6}+\frac{9t^2}{2} +At+B

Use the given values s(0) = 0 and s(s) = 20 to find the constants A and B:

s(0) =0= 0-0-0 +A*0+B\\B=0\\ s(1) =20= \frac{1^4}{12}-\frac{3*1^3}{6}+\frac{9*1^2}{2} +A*1+0\\ A=15.91667\\\\s(t) = \frac{t^4}{12}-\frac{3t^3}{6}+\frac{9t^2}{2} +15.91667t

8 0
4 years ago
Determine the unit rate
satela [25.4K]

Answer:

6 to 1

Step-by-step explanation:

6:1

would like brainliest

6 0
3 years ago
How many possible 3-digit numbers are evenly divisible by 33?
Tju [1.3M]
Evenly divisible means that there is no remainder.
132 is the smallest 3-digit number evenly divisible by 33.
990 is the greatest number evenly divisible by 33.
a 1 = 132,  d = 33,  a n = 990.
So we have to find n.
a n = a 1 + ( n - 1 ) * d
990 = 132 + ( n - 1 ) * 33
990 = 132 + 33 n - 33
990 = 99 + 33 n
33 n = 990 - 99
33 n = 891
n = 891 : 33 = 27
Answer: There are 27  3-digit numbers that are evenly divisible by 33.
7 0
3 years ago
Please help ASAP, it’s overdue and I really need help!!
Vladimir [108]

Answer:

57.875 sq ft

Step-by-step explanation:

multiply 9.5 by 6.75: 64.125

also multiply 2.5*2.5 which is 6.25

Then you would subtract 64.125 by 6.25

Which equals 57.875 sq ft

8 0
3 years ago
A spherical boulder is 20 feet in diameter and weight almost 8 tons.Find its volume.Use 3.14 for T round to the nearest whole nu
olya-2409 [2.1K]

Answer:

4187 ft³

Step-by-step explanation:

\frac{4}{3}πr³

π = 3.14

r = radius

the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.

A radius is half of the diameter

diameter = 2r

Radius = 20 / 2 = 10 feet

(4/3) x 3.14 x 10³ = 4187 ft³

3 0
3 years ago
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