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2 years ago

7

There are 150 students in the marching band, and 30 of them play the trumpet. Which number line represents the percent of the st

udents in the marching band who play the trumpet? PICK THE CORRECT NUMBER LINE QUICK!!!

1 answer:

Aleonysh [2.5K]2 years ago

6 0

A or D i’m not sure

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Write in simplest radical form.

ipn [44]

Step-by-step explanation:

i think this is the answer if its wrong im sorry

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2 years ago

Which relationship describes angles 1 and 2?

11Alexandr11 [23.1K]

the relationship between the two angles is that they are supplementary angles because together they create a line that is 180 degrees. I might be wrong so please don't get mad if I am. I am 90 percent sure this is the answer though

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3 years ago

An object is acted upon by the forces F1=<10,6,4> and F2=<0,3,9>. Find the force F3 that must act on the object

murzikaleks [220]

$\vec F_3=\langle x,y,z\rangle$ is a force vector such that

$\vec F_1+\vec F_2+\vec F_3=\vec0$

$\implies\langle10,6,4\rangle+\langle0,3,9\rangle+\langle x,y,z\rangle=\langle0,0,0\rangle$

$\implies\begin{cases}10+x=0\\9+y=0\\13+z=0\end{cases}\implies x=-10,y=-9,z=-13$

So the missing force is

$\boxed{\vec F_3=\langle-10,-9,-13\rangle}$

8 0

2 years ago

Is 9 a solution to the equation 21=3p-5? Show work

Dmitry_Shevchenko [17]

Answer:

No

Step-by-step explanation:

21 = 3p - 5

<u>Step 1</u> : Add 5 on both sides

21 + 5 = 3p

26 = 3p

3p = 26

<u>Step 2</u> : Divide 3 on both sides

p = 26/3

Hence, the solution of the given equation is 26/3, not 9.

4 0

1 year ago

What is the speed of a train that travels 52 kilometers in 3 hours?

qaws [65]

Answer:

17 km/h

Step-by-step explanation:

52:3=17.3≈17 km/hour

4 0

2 years ago

Read 2 more answers