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Gennadij [26K]
3 years ago
5

during the 31 nights of October , Keith kept track of his sleep. he slept a total of 297 hours . How many hours of sleep did he

average each night ?
Mathematics
1 answer:
love history [14]3 years ago
3 0

297/31 = 9.6 hours

i think

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An evergreen nursery usually sells a certain shrub after 7 years of growth and shaping. The growth rate during those 7 years is
Ne4ueva [31]

Answer:

( 0.6 t^2 + 3t + 11 ) cm

Step-by-step explanation:

dh/dt = 1.2t + 3

at t = 0, h = 11 cm

(a)

dh / dt = 1.2 t + 3

dh = (1.2 t + 3) dt

integrate on both sides

h = 0.6 t^2 + 3t + c    .... (1)

where c is the integrating constant

put t = 0

11 = c

Put in equation (1) , we get

h = ( 0.6 t^2 + 3t + 11 ) cm

Thus, teh height of tree after t years is given by

( 0.6 t^2 + 3t + 11 ) cm.

3 0
3 years ago
Help i dont ge it show work how do you solve it,???
fiasKO [112]
Okay so she had 67 homework problems and she only finished 25
she has 7 pages to complete and on each page the same number of problems 

So we can use subtraction and division

(67 - 25) : 7 =
42 : 7 =
6
So there are 6 problems on each page :)
3 0
3 years ago
Jessica has two strings. The first string measures 80 centimeters, and the second string measures 64 centimeters. She wants to c
nikdorinn [45]

Answer:

The highest common denominator between 80 and 64 is 16. This means no string can be cut longer than 16 inches for them all to have the same length.

Step-by-step explanation:

4 0
3 years ago
Which statement is an example of the symmetric property of congruence?
olchik [2.2K]

The symmetric property of congruence states that if a quantity, say, A is congruent to a quantity, say B, then, the quantity B is congruent to the quantity A.

Mathematically, this statement of the symmetric property of congruence can be written as:

If A\cong B, then B\cong A.

Applying this symmetric property of congruence to the question that we are given, we see that only Option D fulfills the conditions of the definition of the property of congruence as Option D clearly states that:

If \Delta EFG\cong \Delta HJK, then \Delta HJK\cong \Delta EFG which is the exact statement of the symmetric property of congruence when applied to triangles.

Thus, Option D is the correct option.

3 0
3 years ago
Read 2 more answers
Jasmine needs 22 yards of material
garri49 [273]

Jasmine needs 20.02 meters to make the drapes

Step-by-step explanation:

Jasmine needs 22 yards of material  to make drapes, but the fabric

store sells material by the meter, we need to find how many meters

of material Jasmine needs to make the drapes

  • If 1 yard equals about 0.91 meters
  • Change 22 yards to meters

∵ 1 yard = 0.91 meters

∵ To make the drapes she needs 22 yards

- Use the ratio method

→  Yard    :    Meter

→  1           :   0.91

→  22        :   x

- By using cross multiplication

∴ 1(x) = 0.91(22)

∴ x = 20.02 meters

Jasmine needs 20.02 meters to make the drapes

Learn more:

You can learn more about word problems in brainly.com/question/10557275

#LearnwithBrainly

3 0
3 years ago
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