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9966 [12]
3 years ago
7

what is the portion of a line that starts at one point and goes off in a particular direction to infinity

Mathematics
2 answers:
krok68 [10]3 years ago
6 0

a line segment neither starts nor ends at ant certain point and doesnt have arrows at either ends

snow_lady [41]3 years ago
3 0

Answer:

C. Ray

Step-by-step explanation:

Ray because it is the portion of a line that starts at one point and goes off in a particular direction to infinity?

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A grain silo is built from two right circular cones and a right circular cylinder with internal measurements represented by the
Murljashka [212]

Answer:

Step-by-step explanation: The volume of the grain silo can be found by adding the volumes of all the solids of which it is composed (a cylinder and two cones). The silo is made up of a cylinder (with height 10 feet and base radius 5 feet) and two cones (each with height 5 ft and base radius 5 ft). The formulas given at the beginning of the SAT Math section:

Volume of a Cone:

V=\frac{1}{3} \pi r^2h

Volume of a Cylinder:

V=\pi r^2h

can be used to determine the total volume of the silo. Since the two cones have identical dimensions, the total volume, in cubic feet, of the silo is given by

V_{silo} =\pi (5^2)(10)+(2)(\frac{1}{3})\pi (5^2)(5)=(\frac{4}{3})(250)\pi

which is approximately equal to 1,047.2 cubic feet.

<u>The final answer is D.</u>

6 0
3 years ago
Derek has $20 to spend on used books. Hardcover books cost $5 each and paperbacks cost $2 each. Complete the equation which dete
nikdorinn [45]

Answer:

The expression would be 5x + 2y = 20

Step-by-step explanation:

We let x be no of hardcover books, and 5x the cost of those books

Same for paperbacks.

then we add them up to 20.

Done!

8 0
3 years ago
Please help I don’t understand
julia-pushkina [17]
The answer is 32.14
3 0
2 years ago
Find the lateral area of a cylinder whose radius is 6 cm and height is 20 cm.
zaharov [31]
The surface area of a cylinder is define by the formula S.A.=2πrh+2<span>πr^2, where the first part of the formula refers to the lateral area, perimeter, or circumference and the second part to the area of the bases, which are circles.

On this exercise it is asked to find the lateral area of a cylinder whose radius is 6 cm, and has a height of 20cm. To find the lateral area of the cylinder you should substitute this values into the formula, S.A.=2</span>πrh, and as can be seen the answers are given in terms of <span>π or pi.

S.A.=2</span><span>πrh
S.A.=2</span><span>π(6cm)(20cm)
S.A.=2</span><span>π(120cm)
S.A.=240</span>π cm^2

The lateral area of the cylinder is 240
<span>π cm^2 or in other words letter B from the given choices.</span>
7 0
3 years ago
Read 2 more answers
Please help me with this
Fiesta28 [93]

9514 1404 393

Answer:

  91°

Step-by-step explanation:

The similarity statement tells you that angles Q and H are congruent. The measure of angle H is shown as 91°, so that is the measure of angle Q.

  m∠Q = 91°

5 0
3 years ago
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