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3 years ago

Solve for r. /5 = -9

Mathematics

1 answer:

LekaFEV [45]3 years ago

4 0

Answer:

R / 5 = -9

is that what u want if not i'll change it. :D

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A high rise apartment building has 15 floors with 26 apartments on each floor.There are 3 kinds of apartments in the building: 1

konstantin123 [22]

Answer:

The number of each kind of apartment in the building is 130 .

Step-by-step explanation:

Given as :

The total number of floor in a building = 15

The number of apartment on each floor = 26

So, The total number of apartment = 26 × 15 = 390

The number of kinds of apartment in the building is 3 , i.e 1-bedroom , 2-bedroom , 3-bedroom

Let The number of each kind of apartment in building = x

So, According to question

The number of each kind of building = $\dfrac{\textrm Total number of apartment }{number of kinds of apartment}$

or, x = $\frac{390}{3}$

∴ x = 130

Hence The number of each kind of apartment in the building is 130 . Answer

3 0

3 years ago

Solve and check equation 20 = 2r - 3r + 10

Andreas93 [3]

2r-3r+10=20

Move all terms to the left:

2r-3r+10-(20)=0

add all the numbers together, and all the variables

-1r-10=0

move all terms containing r to the left, all other terms to the right

-r=10

r=10/-1

r=-10

7 0

3 years ago

Thank you whoever answers! <br>^ ^

Ivanshal [37]

Answer:b

Step-by-step explanation:

Isolating means leaving something on one side of the equation. In this situation, one has to subtract the 2t from both sides

6 0

3 years ago

What is the definition of mathematics?

Andrew [12]

<span>the abstract science of number, quantity, and space.

</span>

4 0

3 years ago

Read 2 more answers

Evaluate.

Daniel [21]

Answer:

d) 192

Step-by-step explanation:

Your calculator can do this for you.

Or, you can simplify to

$12\cdot\dfrac{4^{-2}}{4^{-4}}=12(4^{-2+4})=12(4^2)=192$

3 0

3 years ago