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3 years ago

Which of the following graphs represents a function that has a positive

Mathematics

1 answer:

frutty [35]3 years ago

5 0

Answer:

you should try scanning that one instead of questioning here

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The cone and the cylinder below have equal surface area. True or false.

WARRIOR [948]

Answer:

False

Step-by-step explanation:

The surface area of the cone is

$V=\pi r^2 +\pi rl$

$SA=\pi r^2 +\pi\times r\times 2r$

$SA=\pi r^2 +2\pi\times r^2$

$SA=3\pi r^2$

The surface area of the cylinder is:

$SA=2\pi r^2 +2\pi rh$

$SA=2\pi r^2 +2\pi\times r\times r$

$SA=4\pi r^2$

3 0

3 years ago

What property is (3x+7)+(2x+8)=3x+7+2x+8

Alex_Xolod [135]

Answer:

distributive property

Step-by-step explanation:

(3x + 7) + (2x + 8)

each of the parenthesis has a multiplier of 1 , placed outside the parenthesis.

then multiplying the terms inside the parenthesis by 1 gives

3x + 7 + 2x + 8

4 0

2 years ago

Given g(x) = -x – 5, find g(5).

dimulka [17.4K]

Answer is -10

Work: -(5+5)

8 0

3 years ago

Find the volume of the cone.

8_murik_8 [283]

Answer:

$V=471\ \text{units}^3$

Step-by-step explanation:

Given that,

Radius of the cone, r = 5 units

Height of the cone, h = 6 units

We need to find the volume of the cone. The formula for the volume of the cone is given by :

$V=\pi r^2 h$

Substitute all the values,

$V=3.14\times 5^2\times 6\\\\V=471\ \text{units}^3$

So, the volume of the cone is $471\ \text{units}^3$ .

4 0

3 years ago

Round 18.57631 to three decimal places.

iVinArrow [24]

❄ Hi there,

let us revise the rounding rules and then, get down to rounding the number.

$\sf{Rounding \ Rules:}$

If the number you need to round is followed by a number from 0 to 4, you round down.
If the number you need to round is followed by a number that's 5 or more, you round up.

Now we can start the rounding process.

Reading the problem & the directions, we notice that we need to round to 3 decimal places (3 numbers after the decimal point).

Looking at the fourth number, we notice that it's less than 5.

∴ we need to round down ↡

↬ $\sf{18.57631 \ rounded \ to \ 3 \ DP \ = \bf{18.576}}$

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❄

3 0

2 years ago