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kaheart [24]
3 years ago
10

Question 1

Mathematics
1 answer:
Galina-37 [17]3 years ago
5 0

Answer:

Did you find the answer???

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Last year the sales at a bookstore were 75% fiction books, and 25% nonfiction books.
natulia [17]
It is 15.25 and i know it is right
8 0
4 years ago
Read 2 more answers
Julie and Tim are both cable subscribers. Julie pays 70$ per month plus an additional $4.25 for each movie she orders. Tim’s pay
Nikolay [14]

Answer:

Julie's bill came to $121 for the month in which she ordered 12 movies.

Step-by-step explanation:

Let x represent the number of movies ordered.

Julie:  $70 + ($4.25/movie)x, and ...

Tim:    $49.50 + ($5.50/movie)x

If Julie ordered 12 movies last month, then her bill came to

$70 + ($4.25/movie)(12 movies) = $70 + $51 = $121

Please be clearer about what you want here.  Are you refering to Julie or to Tim or to both when you write, "an equation that best represents the amount of movies?"

7 0
4 years ago
The pressure, P (in lbs/ft2 ), in a pipe varies over time. Five times an hour, the pressure oscillates from a low of 90 to a hig
Lunna [17]

P=160-70*cos(2π*(1/12)*t)

• Pressure in mathematics or physics is defined as force per unit area. The pressure exerted by a solid object which is resting on top of a solid surface is the weight divided by the area of the object . SI unit of force is Newton (N).

First, we find the amplitude by taking the difference between the peak values and dividing by two:

Amplitude=(230+90)/2=70

We can find the center value by either adding 70 to the minimum or subtracting 70 from the maximum:

90+70=160

230-70=160

This tells us that the Center Value=160

The frequency that we are operating at is given as:

f = 5/hour

so in minutes

f=5*(1/60)/minute=5/60=1/12 per minute

So, combining everything we get

P=160-70*cos(2π*(1/12)*t)

Learn more about Pressure here

brainly.com/question/26040104

#SPJ9

7 0
2 years ago
PLEASE HELP ME I NEED IT RN​
lapo4ka [179]

Answer:

(47)  c. given

(48) b. definition of complementary

(49)  a, m<2 = m<3

(50) d. definition of congruent angles

Step-by-step explanation:

From the given question, the proof can be completed as;

Statement                                          Reason

1. <2 and < 1 are complementary     (47)  c. given

   <3 and <1 are complementary

2. m<2 + m<1 = 90^{o}                             (48) b. definition of complementary angles

   m<3 + m<1 = 90^{o}

3. m<2 + m<1 = m<3 + m<1                 3. Substitution property

4. (49)  a, m<2 = m<3                         4. Subtraction property

5. <2 ≅ <3                                           (50) d. definition of congruent angles

Therefore,

(47)  c. given

(48) b. definition of complementary

(49)  a, m<2 = m<3

(50) d. definition of congruent angles

5 0
3 years ago
Miriam wants to paint her room green. She makes a mixture of 50% yellow paint and 50% blue paint to create the color she likes.
Nezavi [6.7K]

Answer:

A chemical change

Step-by-step explanation:

Since in the question it is mentioned that the Miriam wants to paint her room green so she makes a mixture of yellow paint 50% and the blue paint 50% so here the change that arise at the time when she mixed the paint is the chemical change as the two paints are mix together that means chemical together to develop a chemical change

So the first option is correct

5 0
3 years ago
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