What is the answer to ... Calculate the length of the circumference of a circle with a diameter of 9.2cm.

Answers

Answer 1

Answer:
Since you're in high school math now, surely you've learned by now
that the circumference of every circle is (π) times its diameter.

Use 3.14 for π , multiply that by 9.2 cm, and you'll have the circumference.

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A kite string is attached to a peg in the ground. If 100 meters of kite string are played out on the kite and the string makes an angle of 49° with the ground, what is the distance, in meters, from the kite to the ground? (Assume that the string is taut and the ground is level.)A. 133
B. 115
C. 75
D. 66
E. 52

Answers

The answer would be C) 75 meters between the kite and ground.

Reduce to lowest terms

Answers

Answer:

4 ft 5 in

Step-by-step explanation:

Adding:

$2\ ft\ 8\ in$

+ $1\ ft\ 9\ in$

We get $3\ ft\ and\ 17\ in$ .

$17\ in$ can be further converted to $ft\ and\ in$

As $12\ in = 1\ ft$

∴ $17\ in =12\ in + 5\ in=1\ ft + 5\ in$

∴ Reduced form is = $3\ ft\ +1\ ft + 5\ in=4\ ft\ 5\ in$

Triangle PQR ~ triangle PꞌꞌQꞌꞌRꞌꞌ.Which two transformations were performed on triangle PQR to produce triangle PꞌꞌQꞌꞌRꞌꞌ?

Choose exactly two answers that are correct.

A.Triangle PQR was reflected across the y-axis to produce triangle PꞌQꞌRꞌ.

B.Triangle PQR was reflected across the x-axis to produce triangle PꞌQꞌRꞌ.

C.Triangle PꞌQꞌRꞌ was dilated by a scale factor of to produce triangle PꞌꞌQꞌꞌRꞌꞌ.

D.Triangle PꞌQꞌRꞌ was dilated by a scale factor of 2 to produce triangle PꞌꞌQꞌꞌRꞌꞌ.

Answers

The correct answer for the question that is being presented above is this one: D.Triangle PꞌQꞌRꞌ was dilated by a scale factor of 2 to produce triangle PꞌꞌQꞌꞌRꞌꞌ; C.Triangle PꞌQꞌRꞌ was dilated by a scale factor of to produce triangle PꞌꞌQꞌꞌRꞌꞌ.

Multiply the decimal numbers 37.4 x 2.2 =

Answers

Basically you multiply like normal and then add in the decimal point (to figure out where it goes count how many numbers are behind the decimal (in this case 2) and then count that many places from the right into your answer and that's where it goes). So here 374 x22 =8228 but when you add in the decimal you get 82.28 :)

82.28 because once you finish multipling, you havs to movd the decimal which in this case would be two spaces to the left starting from the right

H(t)=-16t^2+24So I have to find how long (in seconds) it will take a tool to fall to the ground from a height of 24 feet. I am using the equation h(t)=-16t^2+24 to find it but I'm not sure how to solve it or where to even get started! Any help would be great thank you!

Answers

when h(t)=0, it hits the ground

solve
0=-16t^2+24
factor out -8
0=-8(2t^2-3)
we know that
0=2t^2-3 since factors have to multiply to 0
add 3 to both sides
3=2t^2
divide both sides by 2
1.5=t^2
sqrt both sides
1.2247=t

after about 1.2247 seconds it will hit the ground

A car traveling at a constant speed for 150km in 7200s, what is its speed?

Answers

75 km/hr, so in other words 75 km per hour.

7200 s / 60 = 120 min
120 min / 60 =2 hr
so 150 km / 2 hr = 75 km per hour.Hope i helped :)

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