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3 years ago

SOMONE SMART PLIS HELP RIGHT ASWER PLSS WILL GIVE BRAINLIEST IF YOU DONTKNOW PLEAASE DO nooottttt answerrr ty!!! :))

Mathematics

1 answer:

algol [13]3 years ago

4 0

Answer:

Box 3 is 4 becuase if x equals 4 then its gets y=12

Box 1 is 12 to get box 2 which is 24 this is because 3*3=9 and 24+9=33

Step-by-step explanation:

Box 1: 12

Box 2: 24

Box 3: 4

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PLEASE HELP!

Wittaler [7]

Answer:

See below

Step-by-step explanation:

Use the formulae directly

For a cone, with base radius = r and height = h, here are the related formula

$\textrm{Slant height l} = \sqrt{r^2 + h^2}$ (1)

$\textrm{Lateral surface area} = \pi r l$

$\textrm {Base area} = \pi r^2$

$\textrm { Total Surface Area SA} = \textrm{Base Area + Lateral Area} = \pi r^2 + \pi rl = \pi r(r + l)$ (2)

$\textrm{Volume V = } (1/3) \pi r^2h$ (3)

Therefore directly plugging in the numbers in the above equations:

Note:

l = slant height in cm
SA = total surface area in sqcm
V = Volume in cubic cm

Figure(a)

r = 4, h = 8

$\textrm{l} = \sqrt{4^2 + 8^2} =\sqrt{80} = 8.944 \\\textrm{SA} = 4\pi(4 + 8.944) = 4\pi(12.944) = 162.66\\\textrm{V} = (1/3)\pi(4^2)(8) = 134.04$

Figure(b)

r = 7, h =15

$\textrm{l} = \sqrt{7^2 + 15^2} =\sqrt{274} = 16.55$

$\textrm{SA} = 7\pi(7 + 16.55) = 517.89$

Figure (c)

r = 5, l = 8

$h = \sqrt{l^2 - r^2} = \sqrt{8^2 - 5^2} = \sqrt{39} = 6.245\\SA = \textrm{SA} = 5\pi(5 + 8) = 204.2\\V = (1/3)\pi(5^2)(6.245) = 163.5$

6 0

2 years ago

93 round to the nearest hundred

klasskru [66]

5 or more add one more
4 or less could care less(aka don't change the number)
93 right and round it to the nearest hundreds
So ig 93 than you look at the tens is it more than 5 or less than 4?
It's more than 5 so you add another number on the hundreds since there is nothing on the hundred place it is 100(Answer)if it was less than 4 it would just be 0. Hope I helped

6 0

3 years ago

An automobile traveling at the rate of 30 ft/sec is approaching an intersection. When the automobile is 120 feet from the inters

Trava [24]

Answer:

Distance between automobile and the truck is 100 feet.

Step-by-step explanation:

Speed of the automobile towards the intersection = 30 ft per sec

Speed of the truck that crosses the intersection = 40 ft per sec.

Automobile is 120 feet apart when the truck passes through the intersection.

After 2 seconds distance traveled by the automobile = Speed × time

= 30 × 2

= 60 feet

So the distance of the automobile from the intersection = 120 - 60

= 60 feet

Distance traveled by truck in 2 seconds = 40 × 2

= 80 feet

Now distance between them can be calculated by Pythagoras theorem

Distance = $\sqrt{(60)^{2}+(80)^{2}}$

= $\sqrt{3600+6400}$

= $\sqrt{10000}$

= 100 feet

Therefore, after 2 seconds distance between the truck and the automobile will be 100 feet.

4 0

3 years ago

Miguel is playing a game in which a box contains four chips with numbers written on them. Two of the chips have the number 1, on

creativ13 [48]

Answer:

The answer is " $\bold{-\frac{1}{2}}$ "

Step-by-step explanation:

Miguel's choose the best way to win the 2 dollars by pulling the two chips with the number 1. In total, there are four balls, so his probability of winning is:

$\to \frac{2}{4} \times \frac{1}{3}= \frac{1}{6}$