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alexdok [17]
3 years ago
12

3⋅ (3⁴) = 3x= What does x equal to?

Mathematics
1 answer:
sergeinik [125]3 years ago
6 0
X=27
81 = 3x= 27
So x means 27
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Plzz help in 3rd part of question 3​
ASHA 777 [7]

Answer:

X=28/9, Y=7/5

Step-by-step explanation:

By using Elimination method

Multiply equation 1 by 9 and equation 2 by 3/2

<h2>There you get those values listed above for <u>x</u><u> </u><u>a</u><u>n</u><u>d</u><u> </u><u>y</u></h2>
7 0
3 years ago
Determine the domain and the range of the relation {(3,5),(3,7),(6,7),(4,1),(8,1)} .
Goshia [24]

Answer: Domain-3,6,4,8  Range-5,7,1



4 0
3 years ago
A rectangular prism has a width of 16 inches and a length of 10 inches. The volume of the rectangular prism is decreasing at a r
frosja888 [35]

Answer:

-3.47 inches per minute

Step-by-step explanation:

Let the height be 'h' for any time 't'.

Given:

Length of the prism (L) = 10 in

Width of the prism (w) = 16 in

The rate of change of volume of prism is, \frac{dV}{dt}=-555\ in^3/min (The negative sign implies the volume decreases with time.)

Now, rate of change of height of prism = \frac{dh}{dt}=?

Length and width remains constant.

Now, we know that, volume of a rectangular prism is given as:

Volume = Length × width × Height

V=Lwh\\\\V=10\times 16\times h\\\\V=160h

Now, differentiating both sides with respect to time 't', we get:

\frac{dV}{dt}=\frac{d}{dt}(160h)

Plug in the given values and solve for \frac{dh}{dt}. This gives,

-555=160\times \frac{dh}{dt}\\\\\frac{dh}{dt}=\frac{-555}{160}\\\\\frac{dh}{dt}=-3.47\ in/min

The negative sign implies the height decreases with time.

Therefore, the the rate of change, in inches per minute, of the height when the height is 3 inches is -3.47 inches per minute.

5 0
3 years ago
Janes salary is increased by 4% to $15600. How much was her salary before the rise?
katovenus [111]
You have to make 4% into a decimal which is.04 then multiply 15600 x .04 which equals 624
4 0
4 years ago
Read 2 more answers
Greg thinks of a number, multiplies it by 3, subtracts 5 and then multiplies by 2. His answer is 26. What number did Greg think
soldi70 [24.7K]

Answer:

x

3x

3x-5

2(3x-5)

so

2(3x-5)=26

3x-5=13

3x=18

x=6

he thought of 6

8 0
2 years ago
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