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Lelechka [254]
2 years ago
10

PLEASE HELP ME WITH THIS ASAP !!

Mathematics
2 answers:
pishuonlain [190]2 years ago
7 0

Answer:

132cm^2

Step-by-step explanation:

SA of square based pyramid:

SA = 2bs + b^2

b = base

s = slant height

-> 2(6)(8) + 6^2

-> 96 + 36

= 132cm^2

IgorC [24]2 years ago
4 0

Answer:

132

Step-by-step explanation:

tsa =  {a}^{2}  + 2al

tsa =  {6}^{2}  + 2(6)(8)

tsa = 36 + 96

= 132

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3 years ago
What is the slope of all lines parallel to the line 4x-5y+-1?
Bond [772]

Given equation of the line ,

\implies 4x - 5y +(-1) = 0

Simplify ,

\implies 4x - 5y - 1 = 0

Transpose terms to RHS ,

\implies 5y = 4x - 1

Divide both sides by 5 ,

\implies \boxed{ y =\dfrac{4}{5}x -\dfrac{1}{5}}

Now we know the slope intercept form of the line as y = mx + c we have ,

  • m =\dfrac{4}{5}

As we know that the slope of all parallel lines are same . Henceforth ,

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2 years ago
Fraction and decimals , 0.48
Firdavs [7]
48/100 (simplified: 6/25)    - Fraction form
.48 - decimal form
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2 years ago
A town has a population of 5000 and grows at 4% every year. What will be the population after 7 years, to the nearest whole numb
Rudiy27

I think this is.. ↓

grows 4% at every year

after 7 years ↓↓

4 × 7 = 28

A town has a population of 5000

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5000 + 1400 = 6400


after 7 years, town has 6400 population = after 7 year grows 28%

7 0
3 years ago
Read 2 more answers
A scientist needs 4.8 liters of a 12% alcohol solution. She has available a 22% and a 10% solution. How many liters of the 22% a
yanalaym [24]

Answer:

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Step-by-step explanation:

For mixture problems, it is convenient to define a variable to represent the amount of the greatest contributor. Let x represent the amount of 22% solution in the mix. Then 4.8-x is the amount of 10% solution.

The amount of alcohol in the mix is ...

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Eliminating parentheses, we have ...

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Subtracting (0.10)(4.8) and combining x-terms gives ...

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  x = (0.02/0.12)(4.8) = 0.8 . . . . . divide by the x-coefficient

The scientist needs 0.8 L of 22% solution and 4.0 L of 10% solution.

5 0
3 years ago
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