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uranmaximum [27]
4 years ago
9

the cost of old boiler is £775 per year,the new one is £1850 ,the cost of using a new boiler will be 1/5 less than the cost of u

sing the opd boiler. how many years will it take for the savings feom cost of using nthe new boiler to total £1850​
Mathematics
1 answer:
BlackZzzverrR [31]4 years ago
3 0

Answer:

im from America

Step-by-step explanation:

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Find the area of the figure shown. Use 3.14 to approximate pi
Nina [5.8K]
Alrighty

we gots 1/4 circle and paralellogram

area circle=pi times radius^2
area paralelogram=base times height


1/4 circle is
radius is 10 so
area part circle is 1/4 times pi times 10^2=100/4pi=25pi=78.5 m²

area paralllogram is
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30+78.5=108.5 m² is the area
4 0
3 years ago
For a given function ƒ(x) = x2 – x + 1, the operation –ƒ(x) = –(x2 – x + 1) will result in a
Mekhanik [1.2K]

Given:

The function is:

f(x)=x^2-x+1

To find:

The result of the operation -f(x)=-(x^2-x+1).

Solution:

If g(x)=-f(x), then the graph of f(x) is reflected across the x-axis to get the graph of g(x).

We have,

f(x)=x^2-x+1

The given operation is:

-f(x)=-(x^2-x+1)

So, it will result in a reflection across the x-axis.

Therefore, the correct option is A.

4 0
3 years ago
SOLVE: 6 and 1/12 divided by 4 and2/5​
Firdavs [7]

Answer:

1 and 101/264

Step-by-step explanation:

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7 0
3 years ago
A linear function has a slope of 3 and crosses the y- axis at 7. What is the equation of the line?
Anarel [89]

Answer:

y=3x+7

Step-by-step explanation:

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6 0
3 years ago
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A = 1/2 bh (solve for b)
Vikentia [17]

Answer:

Step-by-step explanation:

if A=1/2 bh

to solve for b

2A=bh

b=2A/h

4 0
3 years ago
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