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Lana71 [14]
3 years ago
6

Plz help this is also timed and sorry that the screen looks like this:(

Mathematics
2 answers:
Galina-37 [17]3 years ago
6 0

Answer:

2 hours, 15 minutes

B.

Step-by-step explanation:

3:30 to 5:30 is 2 hours elapsed time.

5:30 to 5:45 is 15 minutes elapsed time.

2 hrs + 15 mins =2 hrs 15 mins.

Katarina [22]3 years ago
6 0

Answer:

2 hours and 15 minutes

Step-by-step explanation:

You subtract 5:45 - 3:30 = 2:15

Hope I helped

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Ivanshal [37]
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8 0
3 years ago
An ice cream shop sells cones at the volume of 94.2 cubic meters they want to double the volume of the cones without changing th
marin [14]
The volume of a cone is V=\pi r^2\frac{h}3 where r = radius and h = height. If the cone has a volume of 94.2 cm³ (I assume you didn't mean m³ because that would be ridiculously huge) and a height of 10 cm, we can plug these values into the formula to find the radius. Don't do any rounding.

94.2 = \pi r^2\frac{10}3 \\ 282.6 = \pi r^2 *10 \\ 28.26 = \pi r^2 \\ 8.99543738355 = r^2 \\ 2.99923946752=r

Now we know that's going to be the radius of our <em>new </em>cone as well since we're keeping the diameter the same. The volume is going to be double 94.2 which is 188.4. Let's solve for the height.

188.4 = \pi (2.99923946752)^2\frac{h}3 \\ 188.4 = \pi(8.99543738355)\frac{h}3 \\ 188.4 = 28.26\frac{h}3 \\ 565.2 = 28.26h \\\\ \boxed{h = 20, r\approx 3}
5 0
3 years ago
Please please answer
gizmo_the_mogwai [7]

Answer:

-5

Step-by-step explanation:

(f\circ g)(-1)=f(g(-1))=f(1-3)=f(-2)=-4-1=-5

7 0
3 years ago
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RideAnS [48]

Answer: 72 feet

Step-by-step explanation:

24 yards= 72 feet

8 0
3 years ago
Read 2 more answers
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