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Sauron [17]
3 years ago
15

..........................HELP.....................BRAiNLIEST TO FIrSt 2 answers

Mathematics
2 answers:
natima [27]3 years ago
7 0

Answer:

14) 9:15 pm

15) 6hrs 30min

Step-by-step explanation:

Hope this helps

yan [13]3 years ago
3 0

Answer:

1. 6 hours 30 mins

2. 8: 15 PM

Step-by-step explanation:

1. To figure this out, we need to find the number of hours between 2 AM and 8 AM. Hence, 8-2 which is 6.

Now we need to find the time between 8 AM and 8:30 AM, which is 30 minutes.

Put them together and you get 6 hours and 30 mins.

2. For this one, we need to go 9 hours back from 6 AM, which is 9 PM. From 9 PM, we need to go back another 3/4 of an hour.

1 hour = 60 minutes

1/4 hour = 15 minutes

1/2 hour = 30 minutes

3/4 hour = 45 minutes

Since 3/4 of an hour is euqal to 45 minutes, we need to go back 45 minutes from 9 PM which is 8:15 PM.

Hope This Helps!

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Find the volume of a cone with base area 367 ft2<br> and a height equal to twice the radius.<br> a
Lostsunrise [7]

Answer:

The volume in terms of π is 144 ft³

The volume rounded to the nearest tenth is 452.4 ft³

Step-by-step explanation:

The formula of the volume of a cone is V =  π r² h , where r is its radius and h is its height

The formula of the area of a circle is A = π r²

The area of the base of the cone is 36π ft²

Equate the formula of the area of the circle by 36π to find r

πr² = 36π

Divide both sides by π

r² = 36

Take √ to both sides

r = 6 ft

The height of the cone is equal to twice the radius

The radius of the cone is 6 ft

Multiply 6 by 2 to find the height

h = 2(6) = 12 ft

The height of the cone is 12 ft

Subsitute the values of h and r in the formula of the volume of the cone to find it

V =  π(6)²(12)

V = 144 π ft³

V = 452.3893421 ft³

Round it to the nearest tenth

V = 452.4 ft³

6 0
2 years ago
What is the 30th term of the arithmetic series 4, 7, 10, … ?
Irina18 [472]
a_1=4;\ a_2=7;\ a_3=10\\\\d=a_2-a_1\to d=7-4=3\\\\a_n=a_1+(n-1)d\to a_n=4+(n-1)\cdot3=4+3n-3=3n+1\\\\\boxed{a_n=3n+1}\\\\a_{30}=3\cdot30+1=90+1=91\\\\Answer:\boxed{a_{30}=91}
3 0
4 years ago
Read 2 more answers
Hüseyin draws a fox with a scale of 3 units on his graph paper represents 15cm. The fox has an actual height of 80cm. What is th
satela [25.4K]

Answer:

The height of the fox in Huseyin's drawing is, 16 units

Step-by-step explanation:

Proportion states that the two ratios or fractions are equal.

As per the statement: Huseyin draws a fox with a scale of 3 units on his graph paper represents 15 cm. The fox has an actual height of 80 cm.

⇒ We are given Scale of 3 units.

On graph paper the length of fox is 15 cm.

The fox has an actual height = 80 cm

let x be the height in units of the fox in Huseyin's drawing.

By definition of proportion;

\frac{3}{15} = \frac{x}{80}

by cross multiply we get;

3 \times 80 = 15x

Simplify:

240 = 15x

Divide both sides by 15 we get;

x = 16 units.

Therefore, the height of the fox in Huseyin's drawing is, 16 units


6 0
3 years ago
Read 2 more answers
(To be answered in the next 20 minutes)
g100num [7]

Answer:

1.) 9/5 or 1.8 or 1 4/5

2.) 17/2 or .53125 or 8 1/2

6 0
3 years ago
Can some one help my find x
alexgriva [62]

Answer:

x = 75

Step-by-step explanation:

(x + 15) \degree = 90 \degree \\ (corresponding \:  \angle s) \\  \\ x + 15 = 90 \\  \\ x = 90 - 15 \\  \\ x = 75

3 0
3 years ago
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