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Damm [24]
2 years ago
7

I need answers to all

Mathematics
2 answers:
disa [49]2 years ago
8 0
1. C

2. B

3. B

4. C

5. Dont' know :(

6. D

Can't answer the rest, sorry
labwork [276]2 years ago
6 0
1. is A
2. is B
3. is A or B
4. is C
5. is C
6. is D
7. is A
8. is A or C
9. is ?
10. is ?
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Which phrase represents the algebraic expression 5x - 9? the product of five times a number and nine the difference of nine time
svlad2 [7]

Answer:

the answer is D

Step-by-step explanation:

Its okay if you still get it right but trust me its right.

3 0
3 years ago
Read 2 more answers
I need this answered fast pleasee
TiliK225 [7]

The descriptive answer of different part is described below.

<h3>What is Linear Equation?</h3>

An equation that has the highest degree of 1 is known as a linear equation. This means that no variable in a linear equation has an exponent more than 1. The graph of a linear equation always forms a straight line.

Here, Studio A rents for $75 plus $75 an hour .

Studio B rents for $150 and $50 an hour.

Let t = the number of hours and c = cost.

Part A

Studio A: c = 75 +75·t

Studio B: c = 150 +50·t

Part B

We solve the system of equation using substitution method, where we substitute c in the first equation with 150 +50t.

150 +50·t = 75 +75·t, subtract 75 and 50t from both sides

  150 -75 = 75t -50t, combine likes terms

          75 = 25t, divide both sides by 25

            3 = t

Now we know that t = 3 so we find c by substituting t with 3 in the second equation.

c = 150 +50·t

c = 150 +50·3

c = 300

The solution of the system of equations is c = 300 and t = 3

Part C:

The solution of the system of equation tells us that if we rent either studio A or B for 3 hours will pay the same price $300.

The price will be different if we rent studio A then studio B if we rent it for a different amount of time than 3 hours.

Learn more about Linear equation from:

brainly.com/question/11897796

#SPJ1

4 0
1 year ago
Cos 105cos 15 <br> what’s the answer to this
andriy [413]
10 answer ensndjjdjsjshshshhdhdhdhdhhdh
7 0
3 years ago
Find all values of x such that sin 2x = sin x and 0 ≤ x ≤ 2π.
jarptica [38.1K]
Hello : 
<span> sin 2x = sin x and 0 ≤ x ≤ 2π.
all solutions : 
2x= x +2k</span>π    or x= π -x +2kπ ..... k in : Z
x = 2kπ  or : x = π/2 + kπ 
but :
 <span>0 ≤ x ≤ 2π
</span><span>all values of x such that sin 2x = sin x and 0 ≤ x ≤ 2π are : 
</span>k = 0 : x=0    , x= π/2
k=1 : x=2 π    , x=3π/2
5 0
3 years ago
The life of light bulbs is distributed normally. the standard deviation of the lifetime is 25 hours and the mean lifetime of a b
Dominik [7]
The probability is 0.8997.

We will use a z-score to answer this question.  z-scores are given by the formula
z=\frac{X-\mu}{\sigma}

With our information, we have
z=\frac{622-590}{25}=\frac{32}{25}=1.28

Looking this up in a z-table (http://www.z-table.com) we see that the area to the left of this (everything less than, up to this value) is 0.8997.
4 0
3 years ago
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