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3 years ago

What is the total surface area of the pyramid below?

Mathematics

2 answers:

mel-nik [20]3 years ago

8 0

Answer:I guess 6 ft as you gave same options

Step-by-step explanation:

tamaranim1 [39]3 years ago

8 0

Answer:

17 ft that's the ans

I don't know if it is correct

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What is the volume of a oblique cylinder with a height of 18 and a radius of 10

Mandarinka [93]

Answer:

$V=1,800\pi\ units^{3}$

Step-by-step explanation:

we know that

The volume of the cylinder is equal to

$V=\pi r^{2}h$

we have

$r=10\ units$

$h=18\ units$

substitute

$V=\pi (10)^{2}(18)$

$V=1,800\pi\ units^{3}$

6 0

4 years ago

Someone please help me with this!? I’ll give brainliest!!

Studentka2010 [4]

50 fl oz. is the better buy because it cost 0.29 per ounce

5 0

3 years ago

Amy's car holds at most 18 gallons of gas. Now it has 6 gallons. Use pencil and paper. Explain how to find the amount of gas sh

marissa [1.9K]

Answer:

10 gallons

Amy's car's maximum capacity to hold gas = 19 gallons

present amount of gas = 9 gallons

As the car's capacity is 19 gallons and present amount in tank is 9 gallons, so we can fill it as much as so that the amount in tank becomes 19 gallons.

let assume she fills x gallons

then x gallons and 9 gallons present earlier should be equal to 19 gallon, as the tank can not hold more than that.

lets write it mathematically

x + 9 = 19

subtracting 9 from both side

x + 9 - 9 = 19 - 9

=> x = 10

8 0

3 years ago

Tank A contains 35 gallons of water and is increasing at a rate of 5 gallons per minute. Tank B contains 100 gallons of water an

Rus_ich [418]

35+5t=amount in tank A after t minutes
100-8t=amount in tank B after t minutes

same amount

35+5t=100-8t
add 8t both sides
35+13t=100
minus 35 both sides
13t=65
divide by 13 both sides
t=5
5 minutes

8 0

3 years ago

At the beginning of the year Monica puts a set amount of money into her health benefit account. Every month she withdraws $15 fr

podryga [215]

Answer:

An equation in the slope-intercept form will be:

y = 15x+210

Step-by-step explanation:

We know The slope-intercept form of the line equation

$y = mx+b$

where

m is the rate of change or slope

b is the y-intercept

Let x represent the time in months

Let y represent the amount of money remaining in the account.

Given that every month Monica withdraws $15 from this account for her contact lenses

Thus, the rate of change or slope = m = 15

Given that after 3 months she has $255 left in her account.

So, we take the point (3, 255)

substituting m = 15, x = 3 and y = 255 in the slope-intercept form to determine the y-intercept

y = mx+b

255 = 15(3) + b

switch sides

15(3) + b = 255

45 + b = 255

b = 255 - 45

b = 210

Now, substituting m = 15 and b = 210 in the slope-intercept form of the line equation

y = mx+b

y = 15x+210

Therefore, an equation in the slope-intercept form will be:

y = 15x+210

7 0

3 years ago